[Event "Interscholastic"]
[Site "Montreal"]
[Date "1966.??.??"]
[Round "6"]
[White "Brodie, Hugh"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "E56"]
[WhiteElo "1700"]
[BlackElo "1700"]
[PlyCount "54"]
[EventDate "1966.??.??"]
[EventCountry "CAN"]

1. d4 e6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. e3 Nf6 6. Nc3 O-O 7. Nf3 d5 8.
cxd5 exd5 9. Bd3 Nc6 10. O-O Re8 11. Re1 b6 12. b3 Qc7 13. Bb2 Nb4 14. Na4 Ba6
15. Bxa6 Nxa6 16. Bxf6 gxf6 17. Nh4 Bb4 18. Rf1 Bd6 19. g3 Re5 20. Rc1 Nc5 21.
Nc3 Qc6 22. Qf3 Be7 23. Rfd1 Rd8 24. Ne2 Qe6 25. Nf4 Qd7 26. Rc2 Ne4 27. Rdc1
f5 1-0

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1967.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Stoll, Drew"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2350"]
[PlyCount "126"]
[EventDate "1967.??.??"]
[EventCountry "CAN"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O c6 8. e4
e5 9. Be3 Qc7 10. b4 a6 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Na4 Nd7 14. c5 Rd8 15.
Qd6 Qxd6 16. cxd6 Bf8 17. Rfd1 a5 18. a3 axb4 19. axb4 b5 20. Nc5 Rxa1 21. Rxa1
Bxd6 22. Nxd7 Bxd7 23. Rd1 Be7 24. Bb6 Rb8 25. Rxd7 Bxb4 26. Rd8+ Rxd8 27. Bxd8
Kf8 28. Bf1 Ke8 29. Bc7 Bc3 30. f4 exf4 31. gxf4 Kd7 32. Bb6 Bd2 33. f5 Kd6 34.
fxg6 hxg6 35. Bg2 Bc3 36. Kf2 c5 37. Ke3 Bd4+ 38. Kd2 Kc6 39. Ba5 b4 40. Kc2
Kb5 41. Bc7 c4 42. Bf1 b3+ 43. Kb1 Kc5 44. e5 c3 45. Bd6+ Kb6 46. Bd3 c2+ 47.
Bxc2 bxc2+ 48. Kxc2 Kc6 49. Kd3 Kd5 50. h3 Bxe5 51. Bxe5 Kxe5 52. Ke3 Kf5 53.
Kf3 Kg5 54. Kg3 Kh5 55. Kf3 Kh4 56. Kg2 g5 57. Kh2 f5 58. Kg2 f4 59. Kh2 f3 60.
Kh1 Kxh3 61. Kg1 g4 62. Kh1 g3 63. Kg1 g2 0-1

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1968.??.??"]
[Round "2"]
[White "Zalys, Ignas"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "37"]
[EventDate "1968.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. Bf3 Bb7 8. O-O
Nf6 9. e5 b4 10. Bxb7 Qxb7 11. exf6 bxc3 12. fxg7 Bxg7 13. bxc3 Rg8 14. Qg4 Nc6
15. Bf4 Ke7 16. Rab1 Bxd4 17. Bg5+ Rxg5 18. Qxg5+ Bf6 19. Qc5+ 1-0

[Event "CAN-ch"]
[Site "Pointe-Claire CAN"]
[Date "1969.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Schulman, Mark"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "69"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O O-O 9. Nb3 Qc7 10. Be2 d6 11. f4 Bd7 12. Rf2 a5 13. Nd5 Nxd5 14. exd5 Nb4
15. c3 Na6 16. a4 Nc5 17. Nxc5 dxc5 18. Bc4 Rad8 19. Qb3 b6 20. h3 Kh8 21. Re2
Bf5 22. Rae1 Be4 23. Bd2 f5 24. g3 Bf6 25. h4 Qd6 26. Rxe4 fxe4 27. Bc1 e6 28.
dxe6 g5 29. hxg5 Bxg5 30. Qc2 Bxf4 31. Bxf4 Rxf4 32. e7 Rff8 33. exf8=Q+ Rxf8
34. Re3 Re8 35. Kg2 1-0

[Event "CAN-ch"]
[Site "Pointe-Claire CAN"]
[Date "1969.??.??"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Pohl, Klaus A"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "112"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 dxe4 5. dxe4 Bd7 6. Qe2 Bc6 7. Bg2 Na6 8. f3
Nb4 9. Nb1 Qd7 10. Nc3 Bc5 11. a3 Na6 12. Be3 O-O 13. Rd1 Qe7 14. b4 Bb6 15.
Nh3 Bd7 16. e5 Nd5 17. Nxd5 exd5 18. Bxb6 axb6 19. Rxd5 Rfe8 20. f4 Bc6 21. Rd1
f6 22. O-O fxe5 23. Bxc6 bxc6 24. Rfe1 b5 25. fxe5 Rad8 26. Rxd8 Rxd8 27. Nf4
Nb8 28. e6 c5 29. Qxb5 c6 30. Qxc5 Qxc5+ 31. bxc5 Na6 32. Nd3 Re8 33. Re5 Kf8
34. Rf5+ Kg8 35. Nf4 g6 36. Re5 Kg7 37. h4 Kf6 38. Re3 Nxc5 39. Rc3 Ne4 40.
Rxc6 Nxg3 41. Nd5+ Ke5 42. Nc7 Re7 43. c3 Nf5 44. a4 Ng7 45. a5 Ne8 46. Nxe8
Rxe8 47. a6 Kd5 48. Rb6 Kc5 49. Rb3 Rxe6 50. Ra3 Re8 51. a7 Ra8 52. Kf2 Kb6 53.
Ke3 Rxa7 54. Rxa7 Kxa7 55. Kf4 h6 56. Ke5 g5 1/2-1/2

[Event "CAN-ch"]
[Site "Pointe-Claire CAN"]
[Date "1969.??.??"]
[Round "6"]
[White "Vranesic, Zvonko"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "115"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. Qd2 b5 8. Bd3 Nbd7
9. Nge2 bxc4 10. Bxc4 Nb6 11. Bb3 a5 12. Na4 Nfd7 13. O-O Ba6 14. Rfc1 Rc8 15.
Nf4 Bb5 16. Nxb6 Qxb6 17. e5 a4 18. Bxf7+ Kxf7 19. e6+ Ke8 20. exd7+ Kxd7 21.
Ne6 Bf6 22. d5 Qa6 23. Bd4 Bxd4+ 24. Qxd4 cxd5 25. Nc7 Rxc7 26. Rxc7+ Kxc7 27.
Qxh8 Qb6+ 28. Kh1 Qe3 29. Qc3+ Qxc3 30. bxc3 Bc4 31. Kg1 Kb6 32. Kf2 Ka5 33.
Ke3 e5 34. h4 a3 35. Kd2 Ka4 36. Kc2 e4 37. f4 h5 38. g3 Bd3+ 39. Kd2 Bc4 40.
Kc2 Bd3+ 41. Kd2 Kb5 42. Ke3 Kc4 43. Rc1 Kc5 44. g4 hxg4 45. f5 gxf5 46. h5 f4+
47. Kxf4 d4 48. cxd4+ Kxd4 49. h6 e3 50. Re1 g3 51. Rxe3 g2 52. Rg3 Bf1 53.
Rxg2 Kc3 54. Ke3 d5 55. Rd2 d4+ 56. Rxd4 Kb2 57. Rd2+ Ka1 58. Kd4 1-0

[Event "CAN-ch"]
[Site "Pointe-Claire CAN"]
[Date "1969.??.??"]
[Round "7"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "107"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O c6 8. Ne1
a6 9. Be3 b5 10. f3 Bb7 11. cxb5 axb5 12. b4 Nb6 13. a4 bxa4 14. Nxa4 Nfd7 15.
Nd3 Nxa4 16. Rxa4 Qb6 17. b5 Rxa4 18. Qxa4 cxb5 19. Qb4 e5 20. Rb1 Ba6 21. Bf2
exd4 22. Nf4 Qc5 23. Nd5 f5 24. Qxc5 dxc5 25. Nc7 fxe4 26. Nxa6 e3 27. Rxb5
exf2+ 28. Kxf2 Rc8 29. Bc4+ Kf8 30. Be6 Rc6 31. Nb8 Nxb8 32. Rxb8+ Ke7 33. Bc4
Rc7 34. Ke2 Ra7 35. Rb6 Kd7 36. Bb5+ Ke7 37. Bc4 Bf8 38. Kd3 Ra3+ 39. Ke4 Kd7
40. Rb3 Ra1 41. Kd5 Kc7 42. Rb2 Ra8 43. f4 Rd8+ 44. Ke4 Kc6 45. Bb5+ Kd6 46.
Ra2 Kc7 47. Bc4 Re8+ 48. Kd5 Re3 49. g3 Kb6 50. Ra6+ Kb7 51. Ra2 Be7 52. Rb2+
Kc7 53. Ba6 Ra3 54. Rb7+ 1/2-1/2

[Event "Tournois de l'est"]
[Site "Quebec CAN"]
[Date "1969.??.??"]
[Round "?"]
[White "Kuprejanov, George"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "57"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. Be3 Nbd7 8.
Nc3 Qc7 9. Rc1 Be7 10. f4 b5 11. a4 b4 12. Na2 Nc5 13. Nxb4 Ncxe4 14. Qe2 Nc5
15. Nbc6 Nxa4 16. Nxe7 Qxe7 17. Ra1 Nc5 18. Bb5+ Nfd7 19. b4 Nb7 20. Nc6 Qf6
21. Bd4 Qh6 22. Bxa6 Nd8 23. Na7 Bxa6 24. Rxa6 d5 25. Nb5 Rxa6 26. Nc7+ Ke7 27.
Qxa6 Qg6 28. f5 Qg4 29. Nb5 1-0

[Event "CAN-op"]
[Site "St. John's CAN"]
[Date "1970.??.??"]
[Round "2"]
[White "Piasetski, Leon"]
[Black "Larsen, Bent"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "58"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]

1. Nf3 f5 2. d4 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 O-O 7. Bd3 d5 8.
exf5 exf5 9. O-O Nc6 10. c3 Qd6 11. Qc2 g6 12. Rfe1 Bd7 13. Nb3 b6 14. Re2 Rae8
15. Rae1 Re4 16. Bxe4 fxe4 17. Nfd2 Bh4 18. Nf1 Nd8 19. c4 c6 20. Ne3 Ne6 21.
Rf1 Bd8 22. Rd1 Nf4 23. Ree1 Bc7 24. Nf1 Bg4 25. Rd2 Nxg2 26. Re3 Nxe3 27. fxe3
Qf6 28. Rf2 Bf3 29. Ng3 Qh4 0-1

[Event "Match"]
[Site "Montreal CAN"]
[Date "1970.??.??"]
[Round "1"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "95"]
[EventDate "1970.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nf6 5. f3 O-O 6. Qd2 Nc6 7. Nge2 e5 8. d5
Ne7 9. h4 c6 10. Ng3 cxd5 11. exd5 h5 12. O-O-O a6 13. Bh6 Bf5 14. Bd3 Bxd3 15.
Bxg7 Kxg7 16. Qxd3 Rc8 17. Nge4 Nf5 18. Nxf6 Qxf6 19. Ne4 Qe7 20. Kb1 b5 21. c3
Rh8 22. g3 Qc7 23. g4 Ne7 24. Qe3 Ng8 25. f4 Re8 26. f5 Nh6 27. f6+ Kf8 28.
gxh5 Nf5 29. Qe2 Rxh5 30. Rdg1 Qc4 31. Rg5 Nh6 32. Rxh5 gxh5 33. Nxd6 Qg4 34.
Qxg4 Nxg4 35. Nxe8 Kxe8 36. Rf1 Kd7 37. Rf5 Kd6 38. Rxh5 Kxd5 39. Rg5 Nh6 40.
Rg1 Ke6 41. Rf1 Ng4 42. h5 e4 43. Kc1 Nxf6 44. h6 Nh7 45. Rg1 Kf6 46. Kd2 Nf8
47. Rg8 Ng6 48. h7 1-0

[Event "Match"]
[Site "Montreal CAN"]
[Date "1970.??.??"]
[Round "2"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "99"]
[EventDate "1970.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8.
Nxc6 dxc6 9. O-O e5 10. Qc2 Be6 11. Kh1 Bd6 12. f3 Nd7 13. Be3 b5 14. Ne2 Bc5
15. Bd2 Qe7 16. cxb5 cxb5 17. a4 b4 18. Rac1 O-O 19. Ng3 Rfc8 20. Qb1 f6 21. b3
Qf7 22. Bc4 Bxc4 23. Rxc4 a5 24. Rfc1 Rc7 25. Nf5 Rac8 26. Bh6 g6 27. Ne3 Nb6
28. R4c2 Bf8 29. Ng4 Rxc2 30. Rxc2 Rc3 31. Rxc3 bxc3 32. Qc2 Bb4 33. Bg5 Qc7
34. Nxf6+ Kf7 35. Nxh7 Nd7 36. Be3 Nc5 37. Ng5+ Kf6 38. Nh3 Ne6 39. Nf2 Qd6 40.
Ng4+ Ke7 41. h4 Nd4 42. Qd3 Nxb3 43. Qc4 Nc5 44. Bg5+ Kf8 45. Nf6 Qe6 46. Qb5
Kg7 47. Nd5 Qd7 48. Qb8 Qe6 49. Bh6+ Kh7 50. Qf8 1-0

[Event "Match"]
[Site "Montreal CAN"]
[Date "1970.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "0-1"]
[ECO "E65"]
[PlyCount "62"]
[EventDate "1970.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "CAN"]

1. Nf3 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. g3 O-O 6. Bg2 c5 7. O-O Nc6 8. h3
cxd4 9. Nxd4 Bd7 10. Be3 Qc8 11. Kh2 Nxd4 12. Bxd4 Qxc4 13. Be3 Bc6 14. Rc1
Bxg2 15. Kxg2 Qc6+ 16. Kh2 Qd7 17. Qb3 Rfc8 18. Rfd1 h5 19. a4 h4 20. g4 Rc6
21. a5 Rac8 22. Bxa7 Nxg4+ 23. hxg4 Qxg4 24. e3 Rc4 25. f4 Qg3+ 26. Kh1 Qf3+
27. Kh2 g5 28. Rg1 g4 29. Rgf1 Qh3+ 30. Kg1 g3 31. Qc2 Bxc3 0-1

[Event "Match"]
[Site "Montreal CAN"]
[Date "1970.??.??"]
[Round "4"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "76"]
[EventDate "1970.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bc4 e6 5. Qe2 Be7 6. d3 O-O 7. O-O a6 8. Re1 b5
9. Bb3 Bb7 10. e5 dxe5 11. Nxe5 Nbd7 12. Nxf7 Kxf7 13. Qxe6+ Ke8 14. Bf4 c4 15.
Bd6 Nd5 16. Nd2 cxb3 17. Ne4 Rf6 18. Qg8+ Nf8 19. Bc5 Rc8 20. c4 Rg6 21. cxd5
Bxd5 22. Bxe7 Bxg8 23. Bxd8 Kxd8 24. axb3 Bxb3 25. h4 Rc2 26. g3 Rgc6 27. d4
Nd7 28. Rab1 b4 29. Ng5 h6 30. Nh3 Rd2 31. Re3 Rd1+ 32. Rxd1 Bxd1 33. Nf4 Rc2
34. Re6 Bf3 35. Nd3 Rd2 36. Re3 Rd1+ 37. Ne1 a5 38. Kf1 Bd5 0-1

[Event "Match"]
[Site "Montreal CAN"]
[Date "1970.??.??"]
[Round "6"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "77"]
[EventDate "1970.??.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 c5 2. Nc3 Nc6 3. d3 d6 4. Be3 e5 5. Be2 Be7 6. Nd5 Nf6 7. Nxe7 Qxe7 8. c3
d5 9. Bg5 Be6 10. Qc2 h6 11. Bh4 O-O 12. Nf3 d4 13. c4 a6 14. h3 Rfc8 15. Qc1
b5 16. g4 bxc4 17. g5 hxg5 18. Qxg5 cxd3 19. Bxd3 Qd6 20. Rg1 Ne8 21. Qh6 Qf8
22. O-O-O g6 23. Qg5 c4 24. Bc2 c3 25. Nxe5 Nxe5 26. Qxe5 cxb2+ 27. Kb1 Bxa2+
28. Kxa2 Rxc2 29. Be7 Qh6 30. Bc5 Rc8 31. Bxd4 Qxh3 32. Rd3 Qh7 33. Rdg3 Qg7
34. Qd5 Qh7 35. Rxg6+ Kf8 36. Qf5 Rc1 37. Bxb2 Rxg1 38. Ba3+ Nd6 39. Qxc8+ 1-0

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1970.10.??"]
[Round "?"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "69"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. g3 Nf6 7. Bg2 a6 8. N5c3
Be7 9. O-O O-O 10. a4 Bd7 11. Na3 Qc7 12. Nc4 Nb4 13. Ne3 Bc6 14. Re1 Rad8 15.
Qe2 Rd7 16. Nc4 Bxe4 17. Nxe4 Nxe4 18. Bxe4 d5 19. Ne5 dxe4 20. Nxd7 Qxd7 21.
Qxe4 Rc8 22. c3 Nd5 23. Be3 Qc6 24. Rad1 Bf6 25. Bd4 Qxa4 26. Bxf6 Qxe4 27.
Rxe4 gxf6 28. c4 Nb4 29. Rd7 b6 30. Rb7 Rc6 31. Rd4 e5 32. Rdd7 Rxc4 33. Rxf7
b5 34. Rg7+ Kf8 35. Rxh7 1-0

[Event "Summer op"]
[Site "Montreal CAN"]
[Date "1970.??.??"]
[Round "5"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "91"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. g3 a6 7. Bg2 Nf6 8. O-O
Be7 9. Nce2 d5 10. exd5 exd5 11. c3 O-O 12. Bg5 Rd8 13. Nf4 Bg4 14. Qb3 Qd7 15.
h3 Nxd4 16. cxd4 Bf5 17. Rfe1 Be4 18. Re2 h6 19. Bxf6 Bxf6 20. Bxe4 dxe4 21.
Rd1 Qb5 22. Rxe4 Rd6 23. Qc2 Rad8 24. Ne2 Qd7 25. g4 b5 26. Kg2 Qb7 27. f3 Rd5
28. Qb3 g6 29. Qe3 Kg7 30. b3 Qd7 31. Qd2 Qd6 32. Qc3 Qd7 33. Qb4 Qa7 34. Rd2
Qd7 35. Kf2 Bh4+ 36. Kg2 Be1 37. Qc3 Bxd2 38. Qxd2 Qd6 39. Qc3 Qf6 40. Kg3 R5d6
41. Rf4 Qe7 42. Re4 Qf6 43. Rf4 Qe7 44. Re4 Qg5 45. Nf4 Qf6 46. Ne2 1/2-1/2

[Event "Hart House op"]
[Site "Toronto CAN"]
[Date "1970.09.07"]
[Round "6"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "63"]
[EventDate "1970.09.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
h6 9. Bh4 Qc7 10. O-O-O Nbd7 11. Bd3 Rb8 12. Bf2 b5 13. a3 Bb7 14. Qe2 Nc5 15.
Bg3 Nfd7 16. e5 Qa5 17. f5 b4 18. fxe6 bxc3 19. exd7+ Kf8 20. Rhf1 cxb2+ 21.
Kb1 Qxa3 22. Nb3 Bd5 23. Bc4 Rxb3 24. cxb3 Be4+ 25. Rd3 Qa1+ 26. Kc2 Bxd3+ 27.
Bxd3 Nxd7 28. Qf3 b1=Q+ 29. Rxb1 Qa5 30. Bc4 f6 31. Qh5 d5 32. e6 1-0

[Event "CAN-ch U20 1970-71"]
[Site "Toronto CAN"]
[Date "1970.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "MacPhail, John"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "80"]
[EventDate "1970.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4
d6 9. h3 Nbd7 10. Be2 Nb6 11. d5 Bf5 12. Nd2 Nh7 13. Rc1 Rc8 14. O-O Qe8 15.
Re1 g5 16. Bg3 Nd7 17. Bg4 Bxg4 18. hxg4 Ne5 19. Qe2 Qd7 20. f3 a6 21. Nce4 b5
22. b3 Qb7 23. Nf2 Rfe8 24. Nd3 Nxd3 25. Qxd3 Nf8 26. Ne4 Nd7 27. Rc2 bxc4 28.
Rxc4 Nb6 29. Rxc8 Rxc8 30. Bxd6 Nxd5 31. Ba3 Qb5 32. Qxb5 axb5 33. Rd1 e6 34.
Bc5 b4 35. a3 Nc3 36. Nxc3 bxc3 37. b4 Ra8 38. b5 c2 39. Re1 Ra4 40. Bb4 Ra8
1/2-1/2

[Event "CAN-ch U20 1970-71"]
[Site "Toronto CAN"]
[Date "1970.12.27"]
[Round "2"]
[White "Berry, Jonathan"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "68"]
[EventDate "1970.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. Be2 O-O 6. O-O Bg4 7. h3 Bxf3 8.
Bxf3 Nc6 9. Bg5 Nd7 10. Ne2 f6 11. Be3 e5 12. c3 Kh8 13. Ng3 Nb6 14. d5 Ne7 15.
h4 f5 16. exf5 Nxf5 17. Bg5 Qe8 18. Be4 h6 19. Bxf5 gxf5 20. Bc1 f4 21. Ne4 Qg6
22. f3 Bf6 23. Qe1 Rg8 24. g4 fxg3 25. Kg2 Nxd5 26. h5 Qg7 27. Rh1 Ne7 28. Rh3
Nf5 29. Qh1 d5 30. Nxf6 Qxf6 31. Bd2 e4 32. Rf1 exf3+ 33. Rxf3 Rae8 34. Qf1
Nh4+ 0-1

[Event "Wch-U20"]
[Site "Athens GRE"]
[Date "1971.??.??"]
[Round "?"]
[White "Biriescu, Ioan"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "72"]
[EventDate "1971.??.??"]
[EventCountry "GRE"]

1. e4 d6 2. d4 g6 3. c3 Bg7 4. Nf3 b6 5. Bd3 Bb7 6. O-O Nd7 7. Re1 e5 8. Bg5
Ne7 9. a4 a6 10. Qd2 h6 11. Be3 f5 12. dxe5 dxe5 13. exf5 gxf5 14. Nh4 e4 15.
Be2 Ne5 16. Bh5+ Kf8 17. Bd4 c5 18. Bxe5 Bxe5 19. Rd1 Qxd2 20. Nxd2 Bf6 21.
Ng6+ Nxg6 22. Bxg6 e3 23. Nc4 Rg8 24. Rd7 Rxg6 25. Rxb7 e2 26. f4 Rd8 27. Ne3
Rd2 28. Rxb6 Bd4 29. Rb8+ Kf7 30. Rb7+ Ke8 31. cxd4 cxd4 32. Rc1 Rc6 33. Rb8+
Kd7 34. Rb7+ Kc8 35. Rxc6+ Kxb7 36. Rc1 dxe3 0-1

[Event "Wch-U20"]
[Site "Athens GRE"]
[Date "1971.??.??"]
[Round "?"]
[White "Cappello, Renato"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "137"]
[EventDate "1971.??.??"]
[EventCountry "GRE"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Bc4 a6 7. O-O b5 8. Bb3
Bb7 9. Re1 Be7 10. Nf5 exf5 11. Nd5 Qb8 12. Bf4 Ne5 13. Bxe5 Qxe5 14. exf5 Qxf5
15. Qd4 Kf8 16. Re3 Re8 17. Rf3 Qg6 18. Nb6 Nf6 19. Nxd7+ Nxd7 20. Rxf7+ Qxf7
21. Bxf7 Kxf7 22. Qxd7 Bc8 23. Qc7 Be6 24. Re1 Rd8 25. Qe5 Rd6 26. f4 Re8 27.
Qh5+ Kf8 28. Qxh7 Bg8 29. Qf5+ Rf6 30. Qg5 Bf7 31. Rf1 Rc6 32. Qf5 Bf6 33. c3
Bg6 34. Qd7 Rec8 35. h3 a5 36. a3 Bf7 37. Re1 R8c7 38. Qf5 b4 39. axb4 axb4 40.
cxb4 Rc2 41. Ra1 Rxb2 42. Ra8+ Be8 43. Qh7 Re7 44. Qh8+ Kf7 45. Qh5+ g6 46.
Qd5+ Kg7 47. Rb8 Bf7 48. Qc5 Rd7 49. Qc8 Rd8 50. Qxd8 Bxd8 51. Rxd8 Rxb4 52. g3
Be6 53. h4 Rb3 54. Kg2 Bf5 55. Re8 Kh6 56. Rh8+ Kg7 57. Re8 Bg4 58. Re5 Rb2+
59. Kg1 Rb1+ 60. Kg2 Rb2+ 61. Kg1 Kf6 62. Rg5 Bf3 63. g4 Rg2+ 64. Kf1 Rxg4 65.
Kf2 Rxf4 66. Kg3 Ra4 67. Kxf3 Rxh4 68. Ra5 g5 69. Kg3 1/2-1/2

[Event "Wch-U20"]
[Site "Athens GRE"]
[Date "1971.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Wach, Slawomir"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "69"]
[EventDate "1971.??.??"]
[EventCountry "GRE"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. c4
Nbd7 9. b3 g6 10. Bb2 Bg7 11. Nc3 O-O 12. Rac1 Nh5 13. Qe3 Qd8 14. Rfd1 Nc5 15.
Be2 Nf4 16. b4 e5 17. bxc5 Bh6 18. Kh1 exd4 19. Qxd4 Ne6 20. Qxd6 Bxc1 21. Bxc1
Qxd6 22. cxd6 f6 23. d7 Bxd7 24. Rxd7 Nc5 25. Rd5 Rac8 26. Be3 Ne6 27. Na4 Rc6
28. f3 Re8 29. c5 f5 30. e5 f4 31. Bg1 Nc7 32. Rd7 Rxe5 33. Bc4+ Ne6 34. Rxb7
Kf8 35. Rb6 1-0

[Event "CAN-op"]
[Site "Vancouver CAN"]
[Date "1971.08.29"]
[Round "6"]
[White "Hambleton, Ian"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "93"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 e5 6. Nge2 d6 7. O-O Be6 8. d3
c6 9. b3 Qd7 10. Bb2 Na6 11. d4 Rad8 12. Qd2 Qc8 13. Rad1 Rfe8 14. d5 Bh3 15.
Nc1 h5 16. Nd3 Bxg2 17. Kxg2 h4 18. Qe2 h3+ 19. Kh1 Rd7 20. Rde1 cxd5 21. Nxd5
Nxd5 22. cxd5 Rc7 23. Rc1 Bh6 24. Rxc7 Qxc7 25. f4 exf4 26. gxf4 Qd7 27. f5 Qe7
28. e5 dxe5 29. fxg6 f6 30. Qh5 Qd7 31. Qf3 Rd8 32. d6 Qc6 33. Qxc6 bxc6 34.
Rxf6 Bg7 35. Rf7 Rxd6 36. Rxg7+ Kxg7 37. Bxe5+ Rf6 38. Nf4 Nb4 39. Nh5+ Kxg6
40. Nxf6 Nxa2 41. Nd7 Kf5 42. Bd4 a5 43. Kg1 Ke4 44. Bb6 Nc1 45. Nc5+ Kd5 46.
Kf2 Nxb3 47. Nxb3 1-0

[Event "CAN-op"]
[Site "Vancouver CAN"]
[Date "1971.08.31"]
[Round "8"]
[White "Pakosta, Stanislav"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "140"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]

1. f4 Nf6 2. Nf3 c5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bd3 d5 7. O-O Nc6 8. Nc3
Nb4 9. Ne2 Nxd3 10. cxd3 b6 11. Ng3 a5 12. Ne5 Qd6 13. Rc1 Ba6 14. Rf3 Rac8 15.
d4 c4 16. f5 cxb3 17. axb3 Rxc1 18. Qxc1 b5 19. h4 b4 20. fxg6 fxg6 21. d3 Rc8
22. Qa1 Rc2 23. Rf2 Rxf2 24. Kxf2 Qc7 25. Qd1 Nd7 26. Nf3 Nf6 27. Ne5 e6 28. e4
Nd7 29. Nf3 dxe4 30. dxe4 Bh6 31. d5 Qf4 32. Qd4 Ne5 33. Ne2 Qe3+ 34. Qxe3 Ng4+
35. Kg3 Nxe3 36. Ned4 exd5 37. exd5 Nxd5 38. Nc6 Bf4+ 39. Kf2 Bc7 40. Bd4 Bb5
41. Nfe5 a4 42. bxa4 Bxa4 43. Kf3 Bb5 44. Ke4 Nf6+ 45. Ke3 Nd5+ 46. Ke4 Nf6+
47. Ke3 Bd6 48. Bb2 Nd5+ 49. Kd4 Nf4 50. g4 Bf8 51. Ke4 Ne2 52. Nd4 Nxd4 53.
Kxd4 Be7 54. g5 Ba6 55. Kd5 Bc8 56. Kc4 Be6+ 57. Kb5 b3 58. Nd3 Kf7 59. Nc5 Bd5
60. Kb4 Bd6 61. Bd4 Bg3 62. h5 gxh5 63. Nxb3 Bxb3 64. Kxb3 h4 65. Kc2 h3 66.
Bg1 Kg6 67. Kd3 Kxg5 68. Ke2 Kg4 69. Kf1 Kf3 70. Bf2 h2 0-1

[Event "QC-op"]
[Site "Quebec CAN"]
[Date "1971.??.??"]
[Round "4"]
[White "Piasetski, Leon"]
[Black "Zalys, Ignas"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "51"]
[EventDate "1971.10.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Be3 cxd4 7. cxd4 e6 8.
Nc3 Bb4 9. a3 Bxc3+ 10. bxc3 Nge7 11. Bd3 Na5 12. O-O Ng6 13. Qe2 O-O 14. c4
Qd6 15. Ng5 e5 16. dxe5 Qxe5 17. f4 Qe8 18. Rae1 h6 19. f5 hxg5 20. fxg6 fxg6
21. Rxf8+ Qxf8 22. Bxg6 g4 23. Qd2 Be6 24. Qxa5 Bxc4 25. Qh5 Qc8 26. Bc5 1-0

[Event "Hiver"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "4"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A58"]
[PlyCount "120"]
[EventDate "1972.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. d6 exd6 7. Nc3 Bb7 8.
Bg5 Be7 9. Qb3 Bc6 10. Nf3 O-O 11. e3 Na6 12. a3 Qa5 13. Qc2 Bxf3 14. gxf3 d5
15. Qf5 d4 16. exd4 Rfe8 17. O-O-O Qb6 18. Bxf6 Qxf6 19. Qxf6 Bxf6 20. Nd5 Bg5+
21. f4 Bh6 22. Bxa6 Rxa6 23. dxc5 Ra5 24. Rhe1 Rxc5+ 25. Kb1 Rd8 26. Re4 f5 27.
Re5 Rc4 28. Rxf5 g6 29. b3 Rb8 30. Nf6+ Kh8 31. Nxd7 Rxb3+ 32. Ka2 Rf3 33. Rfd5
Rcxf4 34. Ne5 Rxf2+ 35. Kb3 Bf8 36. R1d3 Rxh2 37. Nd7 Kg7 38. Ne5 Kh6 39. a4
Bg7 40. Nc4 Rhh4 41. Rc5 Bd4 42. Rc6 Kg5 43. a5 h5 44. a6 Rf7 45. Rd6 Bg7 46.
Rd7 Rxd7 47. Rxd7 Bd4 48. Ka4 Bg1 49. Kb5 Rh3 50. Rd1 Rb3+ 51. Ka4 Rg3 52. Rxg1
Rxg1 53. a7 Ra1+ 54. Na3 Rf1 55. a8=Q Rf4+ 56. Kb3 h4 57. Qg2+ Rg4 58. Qd2+ Kf5
59. Nc2 Rg3+ 60. Kc4 g5 1-0

[Event "Montreal"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "?"]
[White "Pageau, Roger"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "E73"]
[PlyCount "74"]
[EventDate "1972.??.??"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 c5 6. d5 e6 7. h4 exd5 8. cxd5 h6
9. Bf4 a6 10. a4 Qe7 11. Kf1 Nbd7 12. Nf3 Ng4 13. Qc2 Nde5 14. Nd2 Qf6 15. g3
g5 16. Bxg4 gxf4 17. Bf5 fxg3 18. fxg3 Ng4 19. Re1 O-O 20. Nd1 Bxf5 21. exf5
Rae8 22. Nf3 Rxe1+ 23. Kxe1 Re8+ 24. Kd2 Ne5 25. Nh2 b5 26. Kc1 bxa4 27. Rf1 c4
28. Kb1 Rb8 29. Ka2 Nd3 30. Ka1 Nxb2 31. Ng4 Qd4 32. Rf4 Qc5 33. Nc3 Qa3+ 34.
Na2 Nd3+ 35. f6 Rb2 36. Qxc4 Rb1+ 37. Kxb1 Qb2# 0-1

[Event "Montreal"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Letourneau, Charles"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "103"]
[EventDate "1972.??.??"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. b3 Qc7 10. Bb2 Bd7 11. Nce2 Nc6 12. c4 Rac8 13. Rc1 Qb8 14. a3 Nxd4 15.
Nxd4 b5 16. cxb5 Bxb5 17. Nxb5 Rxc1 18. Qxc1 axb5 19. Qe3 Rc8 20. Rc1 Nd7 21.
Rxc8+ Qxc8 22. Qc3 Qxc3 23. Bxc3 d5 24. a4 bxa4 25. bxa4 dxe4 26. Bxe4 Bc5 27.
Kf1 f5 28. Bc6 Nb6 29. a5 Nc8 30. Bd7 Nd6 31. Bxe6+ Kf8 32. f3 g6 33. a6 Ke7
34. Bb4 Ba7 35. Bg8 Kd7 36. Bxh7 g5 37. Bxd6 Kxd6 38. Bxf5 Ke5 39. Bc8 Kd4 40.
Ke2 Bb6 41. Bb7 Ba7 42. f4 gxf4 43. gxf4 Kc5 44. Kf3 Kd6 45. Kg4 Ke6 46. Kg5
Kf7 47. h4 Kg7 48. Bd5 Be3 49. Kf5 Bd4 50. Ke6 Kf8 51. f5 Bb6 52. f6 1-0

[Event "Montreal Closed"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "1"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "68"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 c6 5. a4 Nf6 6. h3 O-O 7. Bd3 e5 8. Be3
Nbd7 9. O-O Qc7 10. Re1 Rd8 11. a5 Nf8 12. Bf1 Ne6 13. g3 exd4 14. Nxd4 d5 15.
e5 Ne4 16. Nf3 Bxe5 17. Nxe5 Qxe5 18. Bd2 N6g5 19. f4 Qd4+ 20. Be3 Qxd1 21.
Rexd1 Nxc3 22. bxc3 Ne4 23. g4 Be6 24. c4 Nd6 25. cxd5 Bxd5 26. Bd3 Re8 27. Kf2
f5 28. gxf5 gxf5 29. Rab1 a6 30. Bd4 Kf7 31. Be5 Ne4+ 32. Bxe4 Bxe4 33. Rxb7+
Re7 34. Rxe7+ Kxe7 1/2-1/2

[Event "Montreal Closed"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "2"]
[White "Williams, Leo"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B41"]
[PlyCount "118"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc2
Qc7 9. O-O Nxd4 10. Qxd4 Ng4 11. e5 Nxe5 12. Ne4 Bf8 13. Bg5 f5 14. Bf4 d6 15.
Ba4+ Kf7 16. Ng5+ Kg8 17. c5 h6 18. cxd6 Qxd6 19. Qxe5 Qxe5 20. Bxe5 hxg5 21.
Rac1 Rh4 22. f4 gxf4 23. Bb3 Bd7 24. Rfd1 Bc6 25. Bxe6+ Kh8 26. Bd5 Re8 27.
Bxc6 bxc6 28. Re1 Rc8 29. Rc4 Kh7 30. Bxf4 Bd6 31. g3 Rg4 32. h3 Rg6 33. Kf2
Rb8 34. b3 Rb5 35. Rd1 Bxf4 36. Rxf4 Ra5 37. Rd2 Rh6 38. Kg2 Re6 39. Rh4+ Kg6
40. Rhd4 Kg5 41. Rd7 Kf6 42. Rc2 g6 43. Rc7 Kg5 44. Rf2 Rd5 45. Rh7 Rd3 46. h4+
Kf6 47. g4 Rd4 48. gxf5 Rg4+ 49. Kh3 gxf5 50. Rh6+ Rg6 51. Rxg6+ Kxg6 52. Kg3
Re3+ 53. Rf3 Re2 54. a3 Ra2 55. b4 c5 56. bxc5 Rc2 57. Rd3 Rxc5 58. Rd6+ Kh5
59. Rxa6 Rc4 1/2-1/2

[Event "Montreal Closed"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Witt, Laszlo"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "71"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. c4 Nf6 6. Be2 Bg7 7. Nc3 O-O 8.
O-O Nbd7 9. Qb3 c6 10. h3 Qc7 11. Be3 b6 12. a4 Nh5 13. Rfd1 Bb7 14. a5 bxa5
15. Qa4 f5 16. Qxa5 Qxa5 17. Rxa5 e6 18. c5 a6 19. Bc4 Rfe8 20. Ng5 Nf8 21. Nf3
Bf6 22. Bg5 Nd7 23. Rda1 Bxg5 24. Nxg5 Nf4 25. g3 Nd5 26. Bxa6 Bxa6 27. Rxa6
Rxa6 28. Rxa6 Nb4 29. Ra7 Nf8 30. Rb7 Nc2 31. Ne2 e5 32. dxe5 Rxe5 33. Nf4 Rxc5
34. Rb8 Rb5 35. Rc8 Rxb2 36. Nfe6 1-0

[Event "Montreal Closed"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "4"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "138"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nh3 Nge7 7. O-O d6 8. Be3
b6 9. Qd2 h6 10. Rae1 Bb7 11. f4 Nd4 12. Ne2 Qd7 13. c3 Nxe2+ 14. Rxe2 O-O-O
15. Qc2 d5 16. Nf2 Kb8 17. a4 d4 18. cxd4 Bxd4 19. a5 Bxe3 20. Rxe3 Qd4 21.
Ree1 Nc6 22. axb6 axb6 23. Ra1 Kc7 24. Ra3 Ra8 25. Rc3 Ra2 26. Qb3 Qa4 27. Qxa4
Rxa4 28. Ng4 Nd4 29. Kf2 Rb4 30. Rb1 h5 31. Ne5 f6 32. Nf3 Nxf3 33. Bxf3 Re8
34. Ke3 e5 35. Bd1 h4 36. gxh4 Rh8 37. h5 gxh5 38. fxe5 fxe5 39. Bb3 Rf8 40.
Rg1 Bc8 41. Rg7+ Kb8 42. Bd5 Ra4 43. Rb3 Rf6 44. Re7 Bg4 45. Rxe5 Ra1 46. Ra3
Rf3+ 47. Kd2 Rf2+ 48. Kc3 Rxa3+ 49. bxa3 Rxh2 50. Re7 Bc8 51. Rh7 h4 52. e5 Re2
53. Be4 h3 54. Kc4 Be6+ 55. Kb5 c4 56. Kxb6 Rb2+ 57. Kc6 cxd3 58. Rh8+ Ka7 59.
Kc5 Rc2+ 60. Kd6 Bg4 61. a4 Rc8 62. Rh7+ Kb6 63. Rb7+ Ka6 64. Rb1 Rd8+ 65. Ke7
Rd7+ 66. Kf6 d2 67. Bc2 Rc7 68. Bb3 Rc1 69. Rb2 h2 0-1

[Event "Montreal Closed"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Williams, Leo"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "108"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 d5 5. cxd5 Nxd5 6. a3 Bd6 7. Qc2 O-O 8. Nf3
Qe7 9. d3 Kh8 10. g3 Bg4 11. Bg2 f5 12. O-O Nf6 13. Nbd2 Rae8 14. b4 a6 15.
Rfe1 Qd7 16. e4 fxe4 17. dxe4 Bh3 18. Rad1 Qg4 19. Re3 Qh5 20. Nf1 Ng4 21. Red3
h6 22. Qe2 Rf6 23. Bxh3 Qxh3 24. Ne3 Nxe3 25. Rxe3 Ref8 26. Rf1 g5 27. Kh1 Rxf3
28. Rxf3 Rxf3 29. Rd1 Qg4 30. Rd2 Qh5 31. Kg2 g4 32. h4 Qg6 33. Qc4 Qf7 34. Qc1
Kh7 35. Re2 Qb3 36. Rd2 Rd3 37. Rc2 Qe6 38. Rc4 Nd4 39. h5 b5 40. Rxc7+ Bxc7
41. Qxc7+ Kg8 42. Qb8+ Kg7 43. Qc7+ Kf8 44. Qb8+ Kf7 45. Qb7+ Kf8 46. Qb8+ Qe8
47. Qd6+ Kg7 48. Bc1 Qe6 49. Qc7+ Qf7 50. Qxe5+ Kh7 51. Bf4 Ne6 52. Be3 Rd1 53.
Bf4 Ng5 54. Qf5+ Qxf5 0-1

[Event "Montreal Closed"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "6"]
[White "Witt, Laszlo"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "75"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 e5 7. O-O Nc6 8. dxe5
dxe5 9. Bg5 Qxd1 10. Rfxd1 Ne8 11. Nd5 f6 12. Be3 Rf7 13. Rd2 Be6 14. Rad1 Bf8
15. c4 Nb4 16. b3 Na6 17. Ndc3 Be7 18. h3 c6 19. Kh2 Nec7 20. h4 Rff8 21. Bh3
Bxh3 22. Kxh3 Kf7 23. Rd7 b6 24. b4 Rac8 25. b5 Nb8 26. R7d2 Rfd8 27. a4 Rxd2
28. Rxd2 Rd8 29. Ra2 Bb4 30. bxc6 Nxc6 31. Nd5 Na6 32. g4 Bc5 33. Nec3 Bxe3 34.
fxe3 Nc5 35. Rf2 Na5 36. Rxf6+ Kg7 37. g5 Nxc4 38. Rc6 1-0

[Event "Ontario op"]
[Site "Hamilton CAN"]
[Date "1972.05.22"]
[Round "6"]
[White "Berner, George"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "98"]
[EventDate "1972.05.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. Nf3 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Bg5 h6 6. Bxf6 Bxf6 7. e5 Bg7 8. h3
O-O 9. Bc4 c6 10. Qe2 d5 11. Bd3 Be6 12. g4 Qb6 13. O-O-O Nd7 14. Qd2 Rfc8 15.
Na4 Qc7 16. Nh4 b5 17. Nc3 b4 18. Ne2 Nxe5 19. dxe5 Qxe5 20. c3 Qf6 21. Ng2
Qxf2 22. Ngf4 bxc3 23. Nxc3 Qxd2+ 24. Rxd2 Bd7 25. Ba6 Rc7 26. Nd3 e5 27. Nc5
f5 28. N3a4 Re8 29. Nxd7 Rxd7 30. gxf5 gxf5 31. Nc5 Rc7 32. Be2 Bf8 33. Na6 Rg7
34. Rc2 Re6 35. Rf1 Rf6 36. b4 e4 37. Nc5 f4 38. Bg4 Bxc5 39. Rxc5 f3 40. b5
cxb5 41. Rxd5 Rxg4 42. hxg4 e3 43. Rd8+ Kg7 44. g5 hxg5 45. Rd5 e2 46. Rg1 f2
47. Rdxg5+ Kf7 48. Rg7+ Ke6 49. Kd2 f1=Q 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "1"]
[White "Piasetski, Leon"]
[Black "Berry, Jonathan"]
[Result "1/2-1/2"]
[ECO "C75"]
[WhiteElo "2275"]
[BlackElo "2240"]
[PlyCount "113"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nge7 7. d4 Ng6 8. Re1
Be7 9. Nbd2 h6 10. Nf1 Bg5 11. Ne3 Bxe3 12. Bxe3 O-O 13. Bc2 Qe7 14. Nd2 Rad8
15. Nf1 Qf6 16. Ng3 Nf4 17. Nf5 Bxf5 18. exf5 Nd5 19. dxe5 dxe5 20. Qf3 Nxe3
21. Qxe3 Rd6 22. g3 Rfd8 23. h4 Rd2 24. Re2 Qd6 25. Rae1 f6 26. b4 Kf8 27. Qf3
Qd5 28. Qxd5 R8xd5 29. Bb3 Rxe2 30. Rxe2 Rd3 31. Re3 Rd2 32. Kf1 Ne7 33. Ke1
Rd6 34. Bc2 Nd5 35. Rf3 Ke7 36. Be4 c6 37. Rd3 Nb6 38. Rxd6 Kxd6 39. Kd2 Nc4+
40. Kd3 b5 41. Bf3 a5 42. Bh5 axb4 43. cxb4 Ke7 44. Bf3 Kd7 45. Be4 Nd6 46. f3
Nc4 47. Kc3 Nb6 48. a3 Kd6 49. Bc2 Nd5+ 50. Kb3 c5 51. Be4 h5 52. bxc5+ Kxc5
53. Bxd5 Kxd5 54. Kb4 Kc6 55. Kb3 Kb7 56. Kb2 Kb6 57. Kc2 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "2"]
[White "Fuster, Geza"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2280"]
[BlackElo "2275"]
[PlyCount "75"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. g3 d5 6. Bg2 Bb4+ 7. Nc3 O-O 8.
Nc2 Bxc3+ 9. bxc3 Qa5 10. cxd5 exd5 11. Bb2 Bf5 12. O-O Nbd7 13. Ne3 Be4 14.
Bxe4 dxe4 15. c4 Qh5 16. Bxf6 Nxf6 17. Kg2 Rae8 18. Rb1 b6 19. Rb5 Re5 20. a4
h6 21. Qd4 Rxb5 22. axb5 Qxe2 23. Ra1 Qf3+ 24. Kg1 Nh7 25. h4 f5 26. Rxa7 Nf6
27. Qd1 Qxd1+ 28. Nxd1 Ng4 29. Ne3 Nxe3 30. fxe3 Rc8 31. Rb7 Rxc4 32. Rxb6 Rc2
33. Kf1 Kf7 34. Rb7+ Kg6 35. b6 Rb2 36. Ke1 Rg2 37. h5+ Kf6 38. Rc7 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Selick, Paul"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2275"]
[BlackElo "2275"]
[PlyCount "43"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. O-O-O d5 10. Nxc6 bxc6 11. exd5 Nxd5 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5
Qb7 15. Qb5 Qc7 16. Qc5 Qb7 17. b3 Be6 18. Qb5 Qc7 19. Qc5 Qb7 20. Qa5 Rfc8 21.
Ba6 Bf5 22. Rd8+ 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "4"]
[White "Smook, Roger"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2200"]
[BlackElo "2275"]
[PlyCount "56"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2
Bg7 9. e4 O-O 10. Bxa6 Nxa6 11. Nc4 Nd7 12. O-O Nb6 13. Qe2 Nxc4 14. Qxc4 Qd7
15. a4 Rfb8 16. Nb5 Nc7 17. Nxc7 Qxc7 18. Qc2 Rb4 19. Ra2 Qb7 20. Re1 Rb8 21.
Re2 Qa6 22. Be3 Rxb2 23. Rxb2 Rxb2 24. Qxb2 Bxb2 25. Rxb2 Qxa4 26. Rb8+ Kg7 27.
f3 Qa7 28. Rc8 Qa6 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Markov, Bozidar"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "109"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 f6 5. d4 e4 6. c4 Be6 7. Nc3 Bb4 8. Nge2
Nge7 9. O-O Bxc3 10. Nxc3 f5 11. Ba3 a6 12. Bxe7 Qxe7 13. cxd5 axb5 14. dxe6 b4
15. Nd5 Qd6 16. Qh5+ g6 17. Nf6+ Kd8 18. Qh6 Kc8 19. Qg7 Rd8 20. Nxh7 Qxe6 21.
Ng5 Qe8 22. Rfc1 Rd7 23. Qh6 Ne7 24. Nh3 Rd6 25. Nf4 Ra5 26. Qg7 Rd7 27. Qf6
Kb8 28. Rc4 Rd6 29. Qg7 Rb5 30. h4 Rd7 31. Qf6 Rd6 32. Qg7 Rd7 33. Qf6 Rd6 34.
Qg5 Qf7 35. Rac1 c6 36. Rc5 Rxc5 37. Rxc5 Nd5 38. Nxd5 cxd5 39. Qf4 Qe6 40. Rb5
Kc8 41. Rxb4 Rc6 42. Ra4 Ra6 43. Qe5 Qxe5 44. dxe5 Re6 45. Ra8+ Kd7 46. Rg8 b5
47. Rg7+ Kc8 48. Kh2 f4 49. Kh3 Rc6 50. Kg4 fxe3 51. fxe3 Rc2 52. e6 Kd8 53.
Kf4 Rf2+ 54. Ke5 d4 55. Kd6 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "6"]
[White "Kuprejanov, George"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2365"]
[BlackElo "2275"]
[PlyCount "69"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 d6 7. O-O Nf6 8. Be3
Bd7 9. f4 Be7 10. Qe1 b5 11. e5 dxe5 12. Nxc6 Bxc6 13. fxe5 Nd7 14. Qg3 g6 15.
Bh6 Qc7 16. Rad1 b4 17. Nb1 Bf8 18. Bxf8 Kxf8 19. Rd6 Kg7 20. Nd2 Rhf8 21. Qf4
a5 22. h4 Rad8 23. h5 h6 24. Bd3 g5 25. Qd4 Bd5 26. Ne4 Bxe4 27. Qxe4 Rh8 28.
Rxe6 Nf8 29. Ref6 Rh7 30. Rxf7+ Qxf7 31. Rxf7+ Kxf7 32. e6+ Kf6 33. Qf3+ Kxe6
34. Bxh7 Nxh7 35. Qe4+ 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "7"]
[White "Piasetski, Leon"]
[Black "Labelle, Jacques"]
[Result "0-1"]
[ECO "C82"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "78"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Bc5 10. Nbd2 O-O 11. Bc2 Nxf2 12. Rxf2 f6 13. exf6 Bxf2+ 14. Kxf2
Qxf6 15. Kg1 Rae8 16. h3 Ne5 17. Nxe5 Qf2+ 18. Kh2 Qf4+ 19. Kh1 Qxe5 20. Nf3
Qg3 21. Qd3 Bf5 22. Qxd5+ Be6 23. Qg5 Rxf3 24. gxf3 Qxh3+ 25. Kg1 Bg4 26. Qxg4
Re1+ 27. Kf2 Qf1+ 28. Kg3 Qg1+ 29. Kf4 Qh2+ 30. Qg3 g5+ 31. Kg4 h5+ 32. Kf5
Qxg3 33. Be4 Rg1 34. a4 Qd6 35. axb5 axb5 36. Ra8+ Kg7 37. Be3 Rg3 38. Bd4+ Kf7
39. Re8 Qf4# 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "8"]
[White "Zuk, Robert"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2260"]
[BlackElo "2275"]
[PlyCount "113"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. exd6
cxd6 9. Nc3 O-O 10. h3 Bh5 11. Re1 N8d7 12. b3 Nf6 13. a4 a5 14. Ba3 Rc8 15.
Qd2 Nbd7 16. Bd1 Nb8 17. d5 Bxf3 18. Bxf3 e5 19. Bg4 Nxg4 20. hxg4 g6 21. g3
Na6 22. Kg2 f5 23. gxf5 Rxf5 24. Ne4 b6 25. Rh1 Qd7 26. Qh6 Bf8 27. Qh4 Qf7 28.
Ng5 Rxg5 29. Qxg5 Nc7 30. Qg4 Rd8 31. Rh3 Bg7 32. Rah1 h5 33. Qe4 Ne8 34. Qe3
Rb8 35. Rb1 Qd7 36. Rhh1 Nf6 37. Qd3 e4 38. Qe3 Kh7 39. Qf4 Rf8 40. Qxd6 Qf7
41. Qf4 Bh6 42. Qe5 Ng4 43. Qe7 Qxe7 44. Bxe7 Rxf2+ 45. Kh3 g5 46. Rbf1 Rd2 47.
d6 Kg6 48. b4 Bg7 49. c5 bxc5 50. bxc5 Ne5 51. Bxg5 Kxg5 52. Rd1 Rd3 53. Rxd3
exd3 54. Kg2 Nc6 55. Rd1 Nb4 56. Rxd3 Kf6 57. d7 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "9"]
[White "Piasetski, Leon"]
[Black "Vranesic, Zvonko"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2275"]
[BlackElo "2425"]
[PlyCount "80"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8.
Be3 d6 9. f4 Bd7 10. Qe1 b5 11. Nxc6 Bxc6 12. Bf3 b4 13. Ne2 Nxe4 14. Qxb4 d5
15. Qe1 Be7 16. Nd4 Bb7 17. Rc1 Nd6 18. b3 Rc8 19. c3 O-O 20. Kh1 Bf6 21. Rc2
Rfe8 22. Qf2 e5 23. fxe5 Bxe5 24. h3 f5 25. Qd2 g6 26. Bf4 Ne4 27. Bxe4 dxe4
28. Qe3 Rcd8 29. Rd2 Rd7 30. g3 Qc5 31. Kh2 Rc8 32. Bxe5 Qxe5 33. Rfd1 Qc5 34.
Rc1 Qe5 35. Rcd1 Rcd8 36. c4 Kh8 37. h4 Qc5 38. Qc3 Qe5 39. Qe3 a5 40. Kg1 Kg7
1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "10"]
[White "Piasetski, Leon"]
[Black "Macskasy, Elod"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2275"]
[BlackElo "2280"]
[PlyCount "114"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Nbd7 7. c4 dxc4 8.
bxc4 c5 9. d3 Be7 10. a4 Qc7 11. a5 O-O 12. Nc3 a6 13. axb6 Nxb6 14. Qc2 Nfd7
15. Rfb1 Bf6 16. Na4 Nxa4 17. Bxf6 gxf6 18. Qxa4 Ra7 19. Qa5 Qc8 20. Ra3 Bc6
21. h4 Qa8 22. Rab3 Rc8 23. Ne1 Bxg2 24. Nxg2 Qc6 25. Ne1 h6 26. Nf3 Kh7 27.
Qa1 a5 28. Ra3 a4 29. Rb5 Rca8 30. Nd2 f5 31. e3 e5 32. d4 f4 33. Qb1+ Kh8 34.
d5 Qf6 35. exf4 exf4 36. Qa1 Qxa1+ 37. Rxa1 fxg3 38. fxg3 a3 39. Ra2 Ra4 40.
Kf1 Rb4 41. Nb1 Rxc4 42. Rxa3 Rc1+ 43. Ke2 Re8+ 44. Re3 Re1+ 45. Kxe1 Rxe3+ 46.
Kd2 Rxg3 47. Nc3 Kg7 48. Ne4 Rg4 49. Ke3 c4 50. h5 f5 51. Nf2 f4+ 52. Kd4 Rg2
53. Ne4 Kf7 54. Rb7 Ke8 55. Nd6+ Kd8 56. Nf7+ Ke8 57. Nd6+ Kd8 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "11"]
[White "Biyiasas, Peter"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2390"]
[BlackElo "2275"]
[PlyCount "104"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Ne2 Nc6 5. O-O Nf6 6. c4 d6 7. Nbc3 O-O 8. d3
Bd7 9. Rb1 Rb8 10. a3 a5 11. Nb5 Ne8 12. Be3 Nc7 13. Nxc7 Qxc7 14. Nc3 Nd4 15.
Nd5 Qd8 16. b4 e6 17. Nf4 cxb4 18. axb4 a4 19. Ne2 Nxe2+ 20. Qxe2 b5 21. c5
dxc5 22. Bxc5 Re8 23. e5 Bf8 24. d4 Qc8 25. Ba7 Rb7 26. Bxb7 Qxb7 27. Bc5 Bh6
28. f4 Bc6 29. Ra1 Qd7 30. h4 Bf8 31. Rfd1 Qd5 32. Kh2 Ra8 33. Bxf8 Kxf8 34.
Rac1 a3 35. Rc5 Qf3 36. Qxf3 Bxf3 37. Ra1 Be2 38. Rc2 Bc4 39. Kg2 Ke7 40. Kf2
a2 41. h5 gxh5 42. f5 exf5 43. Rxc4 bxc4 44. d5 c3 45. Ke2 h4 46. gxh4 f4 47.
b5 f3+ 48. Kd3 f2 49. Kxc3 f1=Q 50. Rxf1 a1=Q+ 51. Rxa1 Rxa1 52. Kd4 Rc1 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "12"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2275"]
[BlackElo "2295"]
[PlyCount "106"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 c6 8. e3
Nb6 9. Be2 N8d7 10. Ne4 Nd5 11. O-O e5 12. Nd6 exd4 13. exd4 N7b6 14. Nxc8 Nxc8
15. Qb3 Nd6 16. Rfd1 Re8 17. Bf1 Qb6 18. Qa4 a6 19. Ba5 Qa7 20. Be1 Rad8 21. g3
h6 22. Ba5 Rd7 23. Qb3 Rde7 24. a4 Kh7 25. Bd3 Ne4 26. Bc4 Rd7 27. Kg2 Qb8 28.
Rc2 Qd6 29. Re2 f5 30. Rde1 Rc8 31. Rd1 Re7 32. Rc2 Rce8 33. Re2 Qd7 34. Rde1
Ndf6 35. Bb4 b5 36. Bd3 Re6 37. Bc3 Ng4 38. h3 Ngf6 39. axb5 cxb5 40. Bb1 Qb7
41. Ba5 Nd2 42. Rxd2 Rxe1 43. Ba2 R1e7 44. d5 Ne4 45. Rc2 Rd7 46. Rc6 Nf6 47.
Re6 Rc8 48. Re5 Rc4 49. Re6 Nxd5 50. Re1 Nf6 51. Kh2 Ra4 52. Re8 Rxa2 53. Ng5+
hxg5 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "13"]
[White "Amos, Bruce"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A75"]
[WhiteElo "2415"]
[BlackElo "2275"]
[PlyCount "72"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e6 8. O-O
exd5 9. cxd5 a6 10. a4 Bg4 11. Bg5 Nbd7 12. Nd2 Bxe2 13. Qxe2 Qc7 14. f4 Rfe8
15. Qf3 c4 16. Kh1 Rab8 17. Rae1 b5 18. axb5 axb5 19. e5 dxe5 20. Bxf6 Nxf6 21.
f5 b4 22. Nce4 Nxd5 23. Rc1 gxf5 24. Qxf5 Ne3 25. Nf6+ Bxf6 26. Qxf6 Qe7 27.
Qxe7 Rxe7 28. Rfe1 c3 29. bxc3 Ng4 30. Rb1 Rd8 31. Ne4 f5 32. Ng3 bxc3 33. Nxf5
Red7 34. Kg1 c2 35. Rbc1 Rd1 36. Kf1 Rxc1 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "14"]
[White "Piasetski, Leon"]
[Black "Day, Lawrence"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2275"]
[BlackElo "2345"]
[PlyCount "70"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 d6 5. Be2 Bg7 6. Rb1 f5 7. d3 Nh6 8. Qc2
O-O 9. b4 a6 10. Nd5 Ne7 11. Nd2 Be6 12. Nxe7+ Qxe7 13. a4 c6 14. Nb3 g5 15. d4
Rae8 16. O-O g4 17. c5 Bxb3 18. Qxb3+ d5 19. dxe5 Bxe5 20. g3 Nf7 21. Bb2 Qg5
22. Bc1 Qg6 23. b5 axb5 24. axb5 Re6 25. Bb2 Rfe8 26. Bxe5 Nxe5 27. Ra1 Nf3+
28. Bxf3 gxf3 29. Ra4 Re4 30. Rfa1 Qg4 31. Qd1 R8e6 32. h3 Qh5 33. Kh2 Rh6 34.
h4 Qg4 35. Rxe4 Rxh4+ 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "15"]
[White "Witt, Laszlo"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2325"]
[BlackElo "2275"]
[PlyCount "99"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Be2 d6 6. O-O e6 7. Kh1 Nge7 8. Qe1
Bd7 9. Qg3 Nd4 10. Nxd4 cxd4 11. Nb5 Qb6 12. Na3 Qc5 13. c4 f5 14. Qd3 a5 15.
Bf3 fxe4 16. Bxe4 d5 17. Bf3 O-O 18. g3 Rae8 19. b3 Nc6 20. Nc2 dxc4 21. bxc4
e5 22. Ba3 Nb4 23. Bxb4 axb4 24. Bd5+ Kh8 25. fxe5 Bf5 26. Rxf5 Rxf5 27. Bxb7
Qxe5 28. Re1 Qb8 29. Rxe8+ Qxe8 30. Bd5 Rf2 31. Kg1 Qe2 32. Qxe2 Rxe2 33. Nxb4
Rxd2 34. Be4 Rb2 35. Nc2 Rxa2 36. Kf1 Rb2 37. Ke2 Rb3 38. Bd3 Kg8 39. Ne1 g5
40. Kf3 Kf7 41. Kg4 h6 42. Kf5 Bf6 43. Be4 Rb2 44. Nc2 h5 45. Bd3 Rb1 46. c5
Rd1 47. Nb4 Rc1 48. Nc2 Rd1 49. Nb4 Rc1 50. Nc2 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "16"]
[White "Piasetski, Leon"]
[Black "MacPhail, John"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "1"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1972.??.??"]
[Round "17"]
[White "Allan, Denis"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2355"]
[BlackElo "2275"]
[PlyCount "20"]
[EventDate "1972.06.26"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. O-O Bg7 7. Re1 O-O 8. c3
dxe5 9. Nxe5 Nd7 10. Nd3 N7f6 1/2-1/2

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.??.??"]
[Round "?"]
[White "Crane, Ben"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "48"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Qf3 f5 5. Nd1 e6 6. d3 Nc5 7. Qg3 Nc6 8. Nf3
b6 9. Bg5 Qd7 10. h4 Nb4 11. Nd4 Qa4 12. c3 Ba6 13. Nxe6 Nxe6 14. cxb4 Bxb4+
15. Bd2 Bxd2+ 16. Kxd2 Qb4+ 17. Kc1 O-O 18. Qe3 d4 19. Qe2 Qc5+ 20. Kd2 Bb7 21.
f3 Nf4 22. Qf2 Qxe5 23. g3 Nd5 24. Bh3 f4 0-1

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.??.??"]
[Round "?"]
[White "Larsen, Bent"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "93"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. f4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O O-O 6. d3 d5 7. c3 Nc6 8. Na3 b6
9. Qa4 Bb7 10. e4 Qd7 11. Bd2 Rfd8 12. Rae1 e6 13. Qb5 Ne8 14. e5 Nc7 15. Qb3
b5 16. Qd1 a5 17. Nc2 d4 18. cxd4 Nxd4 19. Ncxd4 cxd4 20. Qe2 h6 21. h4 b4 22.
Rc1 Bd5 23. h5 Kh7 24. Nh4 Bxg2 25. Qxg2 Nd5 26. Qe4 Ne7 27. hxg6+ fxg6 28. Rc4
Nf5 29. Nxf5 gxf5 30. Qc6 Qf7 31. Qf3 Rac8 32. Rfc1 Rxc4 33. Rxc4 Bf8 34. Be1
Rd5 35. Bf2 Bc5 36. Qd1 Qe8 37. Kh2 h5 38. Qc1 Qb5 39. a3 b3 40. a4 Qb6 41. Be1
Kg6 42. Bd2 Kf7 43. Kg1 Kg6 44. Kf2 Kf7 45. Qh1 Kg6 46. Qh4 Kf7 47. Qxh5+ 1-0

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.08.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Popovych, Orest"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "131"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. Bg5 h6 5. Bh4 d6 6. e3 O-O 7. Be2 c5 8. Nf3 g5
9. Bg3 Nh5 10. dxc5 Nxg3 11. hxg3 Qa5 12. cxd6 Rd8 13. O-O Rxd6 14. Qa4 Qxa4
15. Nxa4 Bd7 16. Nc3 Bxc3 17. bxc3 Nc6 18. Rfd1 Kf8 19. Nd4 Rc8 20. c5 Rf6 21.
Rab1 Nd8 22. Nb5 Bxb5 23. Rxb5 a6 24. Rb6 Rxb6 25. cxb6 Ke8 26. c4 Rc6 27. Rb1
Kd7 28. f4 Rd6 29. c5 Rd2 30. Bf3 Kc8 31. a4 Rc2 32. Kf1 Rxc5 33. Ke2 Ne6 34.
Rh1 Rc2+ 35. Kd3 Rb2 36. a5 Ra2 37. f5 Nc5+ 38. Kd4 Nb3+ 39. Kc3 Nxa5 40. Rxh6
Ra4 41. Bd5 Kd7 42. Bxf7 Ra1 43. Be6+ Kd6 44. Bc8+ Kc5 45. Re6 Ra3+ 46. Kd2
Nc4+ 47. Ke2 Ra2+ 48. Kf3 Nd6 49. Rxe7 Kxb6 50. Be6 Ra1 51. Kg4 Ne4 52. Bc4 Nd6
53. Bd5 Rf1 54. Bf3 Kc5 55. f6 a5 56. Rxb7 Re1 57. f7 Nxf7 58. Rxf7 Rxe3 59.
Kxg5 a4 60. Ra7 a3 61. Kf4 Rb3 62. g4 Rb4+ 63. Ke5 Rb3 64. Rc7+ Kb4 65. Rb7+
Ka4 66. Bc6+ 1-0

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.??.??"]
[Round "7"]
[White "Piasetski, Leon"]
[Black "Meyer, Eugene"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "96"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Nd4 7. Qd2 Qa5 8. Nh3
Ne7 9. O-O d6 10. f3 Bd7 11. Rf2 b5 12. Bh6 Kf8 13. Qf4 b4 14. Nd1 e5 15. Qh4
Ng8 16. Bxg7+ Kxg7 17. Ne3 Qd8 18. Qxd8 Rxd8 19. f4 Nh6 20. Raf1 Rhf8 21. Ng5
f6 22. Nf3 Be6 23. Ra1 Rb8 24. Nd2 Ng4 25. Nxg4 Bxg4 26. Nc4 Rfd8 27. a3 b3 28.
c3 Nc6 29. Ne3 Be6 30. f5 Bd7 31. Nc4 g5 32. Nxd6 Na5 33. d4 cxd4 34. cxd4 exd4
35. e5 fxe5 36. f6+ Kf8 37. Re1 Bc6 38. Rxe5 Rxd6 39. Rxa5 d3 40. Bxc6 Rxc6 41.
Rxg5 Rc2 42. Rd5 Rbc8 43. Rxd3 Rxf2 44. Kxf2 Rc2+ 45. Ke3 Rxb2 46. Rd2 Ra2 47.
Kd3 b2 48. Kc2 b1=Q+ 0-1

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.??.??"]
[Round "9"]
[White "Piasetski, Leon"]
[Black "Binet, Laszlo"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "105"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. Qe2 Be7 7. dxe5 Nc6 8.
Nf3 Bf5 9. Bf4 g5 10. Rd1 Nb4 11. Rxd8+ Rxd8 12. Ne4 gxf4 13. a3 O-O 14. g4
Nd3+ 15. Qxd3 Rxd3 16. Bxd3 Bxe4 17. Bxe4 Nxc4 18. b3 Na5 19. a4 Nxb3 20. Bxb7
Rb8 21. Be4 Nc5 22. Bc2 Rb4 23. O-O a5 24. Ra1 h6 25. h4 Rc4 26. Ra2 Ne6 27.
Kg2 Rc3 28. Bf5 Kg7 29. Rd2 Nc5 30. Rd4 Rb3 31. Nd2 Rb4 32. Rxb4 axb4 33. a5 b3
34. Bc8 b2 35. a6 Nb3 36. Bf5 f3+ 37. Kg1 Nxd2 38. a7 b1=Q+ 39. Bxb1 Nxb1 40.
a8=Q Nd2 41. Qd5 Bb4 42. Qd4 c5 43. Qf4 c4 44. Qf6+ Kg8 45. Qb6 Bc3 46. Qxh6
Ne4 47. Qf4 Nd2 48. h5 Ba5 49. Qg5+ Kf8 50. h6 c3 51. h7 Ke8 52. h8=Q+ Kd7 53.
e6+ 1-0

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.??.??"]
[Round "11"]
[White "Weinstein, Norman"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "83"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. c4 Nb6 7. exd6 cxd6 8.
O-O g6 9. Nbd2 Bg7 10. d5 Na5 11. Rb1 Bf5 12. b3 Bxb1 13. Nxb1 Rc8 14. Na3 O-O
15. Qd2 Nd7 16. b4 Nc6 17. dxc6 bxc6 18. Bb2 Nf6 19. h3 Qc7 20. Nb1 Rcd8 21.
Qc2 Rfe8 22. c5 d5 23. Be5 Qd7 24. b5 Rc8 25. Nd4 cxb5 26. Bxb5 Qb7 27. Bxe8
Nxe8 28. Bxg7 Kxg7 29. Rc1 e5 30. Nf3 f6 31. Nbd2 Nd6 32. c6 Qf7 33. Qc5 Ne8
34. Nb3 Rc7 35. Na5 d4 36. Qc4 Qe7 37. Rb1 Qa3 38. Rb8 Qxa5 39. Rxe8 Qa3 40.
Rd8 Qc3 41. Qg8+ Kh6 42. Qf8+ 1-0

[Event "USA-op"]
[Site "Atlantic City USA"]
[Date "1972.??.??"]
[Round "12"]
[White "Powell, Charles"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "84"]
[EventDate "1972.08.25"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. Nf3 Bg7 7. Bc4 O-O 8.
O-O c5 9. d4 Qc7 10. Qe2 e6 11. exd6 Qxd6 12. Ba3 Nd7 13. Rad1 Qc7 14. Ne5 b6
15. Rd2 Nf6 16. Rfd1 Bb7 17. dxc5 bxc5 18. Nxf7 Bd5 19. Ne5 Qa5 20. Bb2 Kh8 21.
Bd3 c4 22. Bxg6 Qb6+ 23. Qf2 Qxb2 24. Qh4 Kg8 25. Rxd5 hxg6 26. R5d2 Qb6+ 27.
Rd4 Nd5 28. Nxg6 Nxc3 29. Kh1 Nxd1 30. Rxd1 Rad8 31. Rf1 Rf6 32. Ne5 Qe3 33.
Ng4 Qxf4 34. Nxf6+ Qxf6 35. Qxc4 Qg6 36. Qe2 Rc8 37. c4 e5 38. h3 e4 39. Rf4
Re8 40. Rg4 Qc6 41. h4 e3 42. h5 Re6 0-1

[Event "Labour Day op"]
[Site "Montreal CAN"]
[Date "1972.??.??"]
[Round "2"]
[White "Billyard, Ron"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "72"]
[EventDate "1972.09.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Nge2 Bg7 8.
Ng3 O-O 9. Be2 Nc6 10. Be3 d5 11. c5 e5 12. Nb5 Nc4 13. Bxc4 dxc4 14. dxe5 Qa5+
15. Nc3 Nxe5 16. O-O Nd3 17. Rb1 Nxb2 18. Rxb2 Qxc3 19. Rc2 Qb4 20. Qe2 Be6 21.
f4 c3 22. Qf3 f5 23. c6 b6 24. Rfc1 Bc4 25. Ne2 Bxe2 26. Rxe2 Qe4 27. Qf2 Rfe8
28. c7 Rac8 29. Rce1 Qd3 30. h3 Rxc7 31. Bxb6 Rxe2 32. Rxe2 axb6 33. Re8+ Kf7
34. Qe1 Qd7 35. Re2 c2 36. Rd2 Qxd2 0-1

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1972.10.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Forrmanek, Edward"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "122"]
[EventDate "1972.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]

1. b3 e5 2. Bb2 Nc6 3. e3 g6 4. d4 Bg7 5. d5 Nce7 6. d6 cxd6 7. Qxd6 Nf5 8. Qd2
Nge7 9. Nf3 f6 10. c4 g5 11. Qc2 b5 12. c5 a6 13. Bd3 d5 14. cxd6 Qxd6 15. Nc3
Be6 16. Ne4 Qb6 17. Qc5 Qxc5 18. Nxc5 Bf7 19. Nd2 Nd6 20. Nde4 Nxe4 21. Nxe4
O-O 22. Ba3 Ra7 23. O-O-O Bh5 24. Rd2 h6 25. Nd6 Rb8 26. Bc5 Rc7 27. Rc2 Bg6
28. Bxg6 Nxg6 29. Kb1 Bf8 30. Ne4 f5 31. Bxf8 Rxc2 32. Kxc2 Rxf8 33. Nc5 Rc8
34. b4 a5 35. Kb3 e4 36. Rd1 a4+ 37. Kc3 Kf7 38. Rd7+ Ne7 39. Rb7 Rd8 40. Kc2
a3 41. Rxb5 Kg6 42. Rb7 Nd5 43. Kb3 Kh5 44. Rd7 Rxd7 45. Nxd7 f4 46. exf4 gxf4
47. b5 e3 48. fxe3 fxe3 49. Ne5 e2 50. Nf3 Kg4 51. Kxa3 Kf4 52. Kb3 Ke3 53. Kc4
Nb6+ 54. Kc5 Nd7+ 55. Kd6 Nb6 56. Kc7 Nd5+ 57. Kc6 Nf4 58. Ne1 Nd3 59. b6 Nxe1
60. b7 Nxg2 61. b8=Q e1=Q 1/2-1/2

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "1"]
[White "Cardoso, Radolfo Tan"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2400"]
[BlackElo "2275"]
[PlyCount "92"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nc3 a6 7. Bd3 Nf6 8.
O-O b5 9. Nb3 d6 10. a4 b4 11. Ne2 d5 12. Bf4 Ne5 13. Ng3 h5 14. exd5 Nxd5 15.
Be4 Nxf4 16. Bxa8 h4 17. Qd2 Nc4 18. Bc6+ Qxc6 19. Qxf4 hxg3 20. fxg3 f6 21.
Nd4 Qc5 22. Rae1 Bd6 23. Qg4 O-O 24. Kh1 f5 25. Qh4 Be7 26. Nb3 Qc7 27. Qh5
Nxb2 28. Nd4 Qc4 29. Rf4 Qc3 30. Ref1 Bf6 31. Nf3 e5 32. Rxf5 Bxf5 33. Qxf5 Qc8
34. Qe4 Qc4 35. Qe1 e4 36. Nd2 Qxc2 37. Nxe4 Be7 38. Rxf8+ Bxf8 39. Nf2 Qc4 40.
a5 Qf7 41. h4 Bc5 42. Ne4 Nd3 43. Qe2 Nf2+ 44. Nxf2 Bxf2 45. Kh2 b3 46. Qxa6 b2
0-1

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "2"]
[White "Piasetski, Leon"]
[Black "Avner, Uri"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "79"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. d3 d6 7. Nc3 Qe8 8. b4
Qh5 9. Qb3 Nc6 10. b5 Nd8 11. e4 e5 12. exf5 Bxf5 13. Ba3 Bxd3 14. Nd5 Nxd5 15.
Qxd3 Nf6 16. Nxe5 Re8 17. Nf3 Nf7 18. Nd4 Ng4 19. h3 Nge5 20. Qb3 Bf6 21. Rad1
Rab8 22. g4 Qg6 23. f4 Nd7 24. Ne6 Bd8 25. Rde1 c6 26. Nxd8 Rexd8 27. Bb2 Nc5
28. Qe3 Qd3 29. Qc1 cxb5 30. cxb5 Na4 31. Ba1 Qxb5 32. Kh1 d5 33. Qa3 d4 34.
Rb1 Qa6 35. Qb3 Nc5 36. Qc2 Rbc8 37. Qf5 g6 38. Qc2 Nd3 39. Qd2 Nc5 40. Rb4 1-0

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "3"]
[White "Radashkovich, Itchak"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2425"]
[BlackElo "2275"]
[PlyCount "119"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 d6 6. g3 O-O 7. Bg2 e6 8. O-O
exd5 9. cxd5 Re8 10. Nd2 b6 11. a4 Ba6 12. Re1 Nbd7 13. Nb5 Ne5 14. h3 Nh5 15.
Ra3 f5 16. f4 Nf7 17. e4 Bxb5 18. axb5 Bd4+ 19. Kh2 Qd7 20. exf5 Rxe1 21. Qxe1
Re8 22. Qd1 Qxf5 23. Nf3 Qxd5 24. Be3 Qc4 25. Nxd4 cxd4 26. Bxd4 Nh6 27. Be5
Nf7 28. Bd4 Nh6 29. Qb3 Qxb3 30. Rxb3 Nf5 31. Bf2 Re2 32. Kg1 Nf6 33. g4 Ng7
34. Bd4 Kf7 35. Ra3 Re7 36. Rc3 Ne6 37. Be3 Nc5 38. Bf2 Nfe4 39. Bxe4 Nxe4 40.
Rc8 Nxf2 41. Kxf2 Ke6 42. Kf3 Kd5 43. Rc6 Rf7 44. h4 Re7 45. Rc2 Rd7 46. Rd2+
Ke6 47. Re2+ Kf7 48. Rc2 Ke6 49. Ke4 Rf7 50. Rc6 Kd7 51. Rc1 Re7+ 52. Kf3 Re8
53. h5 gxh5 54. g5 Re6 55. Ra1 h6 56. Rxa7+ Ke8 57. f5 Re5 58. gxh6 Rxf5+ 59.
Ke4 Rf7 60. h7 1-0

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "4"]
[White "Piasetski, Leon"]
[Black "Birnboim, Nathan"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "100"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nfd7 7. O-O Nc6 8. h3
e5 9. Be3 Ne7 10. dxe5 dxe5 11. Qc1 Nf5 12. Bg5 f6 13. Bd2 c6 14. Ne4 Nd4 15.
Nxd4 exd4 16. Bh6 Qe7 17. Bxg7 Kxg7 18. c5 f5 19. Nd6 Qe5 20. b4 f4 21. Qb2 d3
22. Qxe5+ Nxe5 23. Rfe1 d2 24. Red1 fxg3 25. fxg3 a5 26. b5 cxb5 27. Rxd2 b4
28. Nxb7 Ra7 29. Nd8 Rc7 30. c6 Rf6 31. Rc1 a4 32. Rc5 Rf5 33. Rcd5 Kf6 34. g4
Rg5 35. e3 b3 36. axb3 axb3 37. h4 Rxg4 38. Rf2+ Bf5 39. Rb5 Nd3 40. Rf1 Ke7
41. e4 Rxg2+ 42. Kxg2 Bxe4+ 43. Kg3 Kxd8 44. Rxb3 Ke7 45. Rd1 Nc5 46. Re3 Rxc6
47. Rd5 Kf6 48. Rxc5 Rxc5 49. Rxe4 Rc3+ 50. Kg2 Kf5 1/2-1/2

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "5"]
[White "Lederman, Leon"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2200"]
[BlackElo "2275"]
[PlyCount "50"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Be3 Nf6 7. Bd3 d5 8.
exd5 exd5 9. O-O Bd6 10. h3 O-O 11. Nxc6 bxc6 12. Na4 Rb8 13. c4 Re8 14. Qc2
Ne4 15. Bxe4 Rxe4 16. cxd5 cxd5 17. Nc3 Rh4 18. Nxd5 Bxh3 19. gxh3 Qd7 20. f3
Qxh3 21. Qg2 Bh2+ 22. Kh1 Qe6 23. Bg5 Rh3 24. Qg4 Bd6+ 25. Kg2 Qe2+ 0-1

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "6"]
[White "Piasetski, Leon"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2275"]
[BlackElo "2440"]
[PlyCount "48"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. b3 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. c4 O-O 5. g3 d6 6. d4 Bf5 7. Bg2 Qc8 8. O-O
Bh3 9. Nc3 Bxg2 10. Kxg2 Nbd7 11. e4 e6 12. Qe2 a6 13. Rac1 b6 14. h3 Qb7 15.
Rfe1 Rfd8 16. Rcd1 b5 17. e5 Ne8 18. Ne4 bxc4 19. bxc4 Nb6 20. Ba3 Qc6 21. c5
dxc5 22. Bxc5 Nd5 23. Rc1 Qb5 24. Rb1 Qc6 1/2-1/2

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "7"]
[White "Soos, Bela"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2420"]
[BlackElo "2275"]
[PlyCount "80"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bd2 Nc6 7. a3 Be7 8.
Nxc6 bxc6 9. e4 Qc7 10. Bd3 O-O 11. O-O e5 12. Qe2 Bc5 13. Kh1 d6 14. Rac1 Bd4
15. b4 Be6 16. f4 exf4 17. Bxf4 Nd7 18. Nd5 Bxd5 19. cxd5 c5 20. Rf3 Ne5 21.
Rh3 g6 22. Ba6 Qe7 23. Rb1 Rab8 24. Rg3 Nd7 25. Bg5 Bf6 26. Bd2 Be5 27. Rf3 Bg7
28. Rbf1 Ne5 29. Rg3 Rb6 30. Bb5 Qb7 31. Ba4 Rc8 32. Rc1 cxb4 33. Rxc8+ Qxc8
34. axb4 Qc4 35. Bd1 Rb8 36. Ra3 h5 37. Rxa7 Qd4 38. Be3 Qxb4 39. Qc2 Qc4 40.
Qf2 Rb1 0-1

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "8"]
[White "Kaufman, Larry"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2400"]
[BlackElo "2275"]
[PlyCount "79"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5
dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. O-O Ra7 13. Qd3 Rd7 14. Ne4 Qe5
15. Nf3 Qxb2 16. Qe3 Bb7 17. a4 b4 18. c3 Bxe4 19. Qxe4 gxf6 20. Kh1 Bd6 21.
Nd4 Be5 22. Nf3 Bxc3 23. Rab1 Qa3 24. Bxa6 Qxa4 25. Bd3 Qc6 26. Qe2 Rd5 27.
Rfc1 Qc5 28. Bc4 O-O 29. Bxd5 Qxd5 30. Rd1 Qf5 31. Qc4 Nd7 32. Nd4 Qd5 33. Qc6
Qxc6 34. Nxc6 Ne5 35. Nxb4 Ng4 36. Rf1 Rd8 37. h3 Ne3 38. Rf3 Bxb4 39. Rxe3 Bc5
40. Rc3 1/2-1/2

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "9"]
[White "Piasetski, Leon"]
[Black "Agur, Elieser"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "59"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c3 Nc6 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nxc3 8.
bxc3 d5 9. Bd3 Bg4 10. h3 Bd7 11. Ng5 h6 12. Qh5 Qa5 13. Bd2 hxg5 14. Qxh8
O-O-O 15. Qg8 Be6 16. Bg6 Qa4 17. Bxf7 Bxf7 18. Qxf7 Qc2 19. Qf3 Qb2 20. Rd1
Qxa2 21. Qf5+ Kb8 22. O-O Qc4 23. Ra1 a5 24. Rfc1 a4 25. Bxg5 Na5 26. Rc2 Nb3
27. Raa2 Qc6 28. e6 b5 29. Bc1 Nxc1 30. Rxc1 1-0

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "10"]
[White "Piasetski, Leon"]
[Black "Levy, David N"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "2275"]
[BlackElo "2350"]
[PlyCount "27"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. Nf3 f5 2. c4 Nf6 3. g3 d6 4. d4 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 a5 8. Re1
Nc6 9. d5 Nb4 10. dxe6 Bxe6 11. Nd4 Bc8 12. e4 fxe4 13. Nxe4 Ng4 14. a3 1/2-1/2

[Event "Netanya-B"]
[Site "Netanya"]
[Date "1973.??.??"]
[Round "11"]
[White "Piasetski, Leon"]
[Black "Rosenberg, Arie"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "68"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. a3 a6 6. Nf3 Rb8 7. Rb1 b5 8. cxb5
axb5 9. b4 cxb4 10. axb4 Nf6 11. d4 d6 12. Bf4 Nh5 13. Be3 O-O 14. O-O e6 15.
Qd2 d5 16. Bh6 Bxh6 17. Qxh6 f6 18. Rfc1 Bd7 19. e4 Ne7 20. e5 fxe5 21. dxe5
Nf5 22. Qd2 Nhg7 23. Ne2 Qe7 24. Nf4 g5 25. Ne2 g4 26. Ne1 Rfc8 27. Nd3 Rc4 28.
Nc5 Rf8 29. Nf4 Bc8 30. Rxc4 bxc4 31. Qe2 Qg5 32. Nxd5 exd5 33. Bxd5+ Kh8 34.
Qxc4 Ne7 1/2-1/2

[Event "QC-ch"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "?"]
[White "Labelle, Jacques"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[PlyCount "0"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

 1/2-1/2

[Event "QC-ch"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "1"]
[White "Piasetski, Leon"]
[Black "Engalicev, Nicolas"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "75"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 gxf6 7. Nf3 Rg8 8.
Qd2 c6 9. O-O-O Nd7 10. Kb1 f5 11. Ng3 Qb6 12. Bc4 Qb4 13. Qe2 Nb6 14. Bb3 a5
15. c3 Qd6 16. a3 Nd5 17. Ne5 Ra6 18. c4 Nf4 19. Qd2 Ng6 20. f4 Qc7 21. Ka1 Bd7
22. Rhe1 Nxe5 23. fxe5 Rg6 24. Nh5 b5 25. d5 Bg5 26. Qd3 a4 27. dxc6 Rxc6 28.
cxb5 Rc5 29. Bxa4 Rd5 30. Qe2 Qa5 31. Rxd5 exd5 32. Nf6+ Bxf6 33. exf6+ Be6 34.
b6+ Qxa4 35. Qe5 Qc6 36. Qb8+ Kd7 37. Qa7+ Kd6 38. Qe7# 1-0

[Event "QC-ch"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "2"]
[White "Johnston, Murray"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "64"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Qe7 6. O-O c6 7. Qb3 Na6 8. d4
e4 9. Ng5 Bxc3 10. bxc3 h6 11. Nh3 d6 12. a4 Bf5 13. f3 Rfe8 14. Nf2 Qd7 15. g4
Bg6 16. Bh3 e3 17. Nd1 Re7 18. Nxe3 Rae8 19. Kf2 h5 20. Ra2 Rxe3 21. Bxe3 hxg4
22. Bg2 gxf3 23. exf3 Qe6 24. Re1 Bd3 25. Bf1 Bxf1 26. Kxf1 Nc7 27. Kg2 Nh5 28.
Bf2 Nf4+ 29. Kg3 Qh3+ 30. Kxf4 Ne6+ 31. Rxe6 Rxe6 32. Bg3 f6 0-1

[Event "QC-ch"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Boileau, Doug"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "63"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Bb5 Nge7 5. O-O a6 6. Be2 d5 7. e5 d4 8. Ng5
Nd5 9. Bh5 g6 10. Bf3 Be7 11. Nh3 O-O 12. c4 Nc7 13. d3 Bd7 14. Nd2 b5 15. Ne4
bxc4 16. dxc4 Rb8 17. g4 f6 18. exf6 Bxf6 19. Nxc5 Be8 20. Re1 e5 21. Nd3 exf4
22. Bxf4 Bd7 23. Qd2 Bh4 24. Rf1 h5 25. Qg2 hxg4 26. Bxc6 Bf5 27. Nhf2 Bxf2+
28. Nxf2 Rxb2 29. Qg3 Ne6 30. Bd5 Kh7 31. Bd6 d3 32. Bxe6 1-0

[Event "QC-ch"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Williams, Leo"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "79"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. e5 Ng4 7. dxc5 dxe5 8.
Qxd8+ Kxd8 9. h3 e4 10. Nxe4 Nh6 11. c3 Bf5 12. Bd3 Nc6 13. Be3 Kc7 14. O-O-O
Rad8 15. Bc4 Be6 16. Bb3 Bxb3 17. axb3 Nf5 18. Bf2 Bh6 19. Nfg5 e5 20. g4 Nfe7
21. fxe5 Nxe5 22. Bg3 N7c6 23. Kc2 Rd7 24. Rhf1 Rhd8 25. Rxf7 Rxf7 26. Nxf7
Rxd1 27. Kxd1 Bg7 28. Nfg5 Kd7 29. Nxh7 Ke6 30. Nhg5+ Kd5 31. c4+ Kd4 32. Ke2
Nd3 33. Nd2 Nc1+ 34. Kd1 Nxb3 35. Nxb3+ Kxc4 36. Nd2+ Kb4 37. b3 Nd4 38. Bd6
Nb5 39. Ne6 Ba1 40. Nd8 1-0

[Event "QC-ch"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "6"]
[White "Piasetski, Leon"]
[Black "Spraggett, Kevin"]
[Result "1/2-1/2"]
[ECO "A49"]
[PlyCount "27"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 Nbd7 7. Nbd2 Re8 8.
O-O e5 9. dxe5 Ng4 10. Nc4 Ngxe5 11. Nfxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 14.
Rfd1 1/2-1/2

[Event "Ontario op"]
[Site "Toronto CAN"]
[Date "1973.05.21"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Dzera, Victor"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "73"]
[EventDate "1973.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. d3 a5 7. Nc3 Na6 8. Bd2
Qe8 9. Rb1 b6 10. Ne5 Rb8 11. d4 Bb7 12. f3 Nb4 13. a3 d6 14. axb4 axb4 15. Nd3
bxc3 16. Bxc3 Qc6 17. b3 b5 18. Nb4 Qb6 19. Kh1 Nh5 20. e3 Rbe8 21. Qe2 e5 22.
cxb5 Kh8 23. Nc6 Bxc6 24. bxc6 f4 25. dxe5 Qxc6 26. Rfc1 dxe5 27. g4 Nf6 28.
Bxe5 Qb6 29. exf4 Nd5 30. Bxg7+ Kxg7 31. Qe5+ Nf6 32. Rxc7 Rf7 33. g5 Kf8 34.
gxf6 Qxf6 35. Re1 Rd8 36. Rxe7 Qxe7 37. Qh8# 1-0

[Event "Montreal-Toronto m"]
[Site "Montreal CAN"]
[Date "1973.09.15"]
[Round "1"]
[White "Dobrich, Walter"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "83"]
[EventDate "1973.09.16"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "CAN"]

1. e4 g6 2. d4 Bg7 3. Be3 c5 4. Nf3 Nf6 5. Nc3 cxd4 6. Nxd4 O-O 7. Be2 d5 8.
exd5 Nxd5 9. Nxd5 Qxd5 10. O-O Na6 11. c3 Nc7 12. Bf3 Qd8 13. Nb3 Qe8 14. Nc5
Rb8 15. Qb3 b6 16. Rfd1 h6 17. Rd2 Bf5 18. Nd3 Be6 19. Qa3 Bd5 20. Bxd5 Nxd5
21. Qxa7 Nxe3 22. fxe3 e6 23. Nb4 Qb5 24. Rad1 Qg5 25. Rd3 b5 26. a3 Rbc8 27.
Nc2 Rc4 28. Nd4 e5 29. Nxb5 Rg4 30. R3d2 e4 31. Nc7 Be5 32. Nd5 Qh5 33. g3 Qh3
34. Rg2 Re8 35. Rf1 f5 36. Qd7 Kf8 37. Nf4 Bxf4 38. exf4 h5 39. Rd1 Re7 40.
Qd8+ Kf7 41. Qh8 e3 42. Rd6 1-0

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1973.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Zalys, Ignas"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "55"]
[EventDate "1973.10.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. b3 Nf6 2. Bb2 e6 3. c4 b6 4. Nf3 Bb7 5. g3 Be7 6. Bg2 O-O 7. O-O d6 8. Qc2
Qc8 9. Nc3 Nbd7 10. d4 c5 11. e4 d5 12. exd5 exd5 13. Rfe1 Qd8 14. cxd5 Nxd5
15. Nxd5 Bxd5 16. dxc5 Rc8 17. Rad1 Rxc5 18. Qe2 Be6 19. Nd4 Re5 20. Qxe5 Nxe5
21. Nxe6 Qc8 22. Nxf8 Bxf8 23. Bxe5 Bb4 24. Rc1 Qf5 25. Bc3 Bf8 26. Re8 Qd7 27.
Bc6 Qxc6 28. Rxf8+ 1-0

[Event "CAN-op"]
[Site "Montreal CAN"]
[Date "1974.08.03"]
[Round "9"]
[White "Piasetski, Leon"]
[Black "Babinski, E."]
[Result "1-0"]
[ECO "A29"]
[PlyCount "73"]
[EventDate "1974.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Nf6 8.
Bg2 O-O 9. O-O Bb7 10. Bg5 h6 11. Bf4 Nh5 12. Bd2 Qe7 13. Qc2 Rab8 14. Rab1 c5
15. Nd5 Bxd5 16. Bxd5 Nf6 17. Bf3 Rfe8 18. Ba5 d6 19. e3 Qd7 20. Rfd1 Nh7 21.
Bg2 h5 22. a3 Nf6 23. b4 cxb4 24. axb4 Re7 25. b5 Qe6 26. c5 d5 27. c6 Ne4 28.
Qa2 Rd8 29. Bb4 Ree8 30. Qxa7 d4 31. exd4 Nxf2 32. d5 Nh3+ 33. Kh1 Qf5 34. Rf1
Qc8 35. d6 cxd6 36. Qxf7+ Kh7 37. Bc3 1-0

[Event "CAN-op"]
[Site "Montreal CAN"]
[Date "1974.08.05"]
[Round "11"]
[White "Suttles, Duncan"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "101"]
[EventDate "1974.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]

1. g3 g6 2. c4 Bg7 3. Nc3 c5 4. a3 Nc6 5. Rb1 a5 6. Bg2 d6 7. d3 e6 8. Nf3 Nge7
9. O-O O-O 10. Bd2 h6 11. Ne1 d5 12. Na4 b6 13. b4 axb4 14. axb4 dxc4 15. b5
cxd3 16. e3 Rxa4 17. Qxa4 Ne5 18. f4 Nd7 19. Rb3 Qc7 20. Qc4 Nf5 21. Nxd3 Nd6
22. Qc2 Bb7 23. Nf2 Bxg2 24. Kxg2 Qb7+ 25. Kg1 c4 26. Rbb1 c3 27. Bxc3 Rc8 28.
Qd3 Rxc3 29. Qxd6 Rxe3 30. Qc6 Qa7 31. Rbd1 Nf6 32. Rd8+ Kh7 33. Ra8 Qe7 34.
Qxb6 Nd5 35. Qb8 h5 36. g4 g5 37. gxh5 f5 38. Qg8+ Kh6 39. Re8 Qf6 40. Ng4+
fxg4 41. fxg5+ Qxg5 42. Rxe6+ Rxe6 43. Qxe6+ Nf6 44. Qf5 Nxh5 45. Qxg5+ Kxg5
46. Rd1 Nf4 47. Kf1 Kf5 48. b6 Be5 49. b7 Bb8 50. Rd8 Ba7 51. Ra8 1-0

[Event "Hiver"]
[Site "Montreal CAN"]
[Date "1974.??.??"]
[Round "4"]
[White "Piasetski, Leon"]
[Black "Hebert, Jean"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "93"]
[EventDate "1974.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 c6 5. Qd2 b5 6. f3 Nd7 7. Nge2 a6 8. h4 h5
9. g3 Nb6 10. b3 a5 11. Nd1 a4 12. Rc1 Bd7 13. Bg2 Qb8 14. Nf2 axb3 15. axb3 f6
16. Be3 e6 17. O-O Ne7 18. Bh3 Kf7 19. Ra1 Qc7 20. Qb4 Rhc8 21. Rfd1 Rxa1 22.
Rxa1 Ra8 23. Rxa8 Nxa8 24. Qa3 Nb6 25. Nd3 Nbc8 26. Kf2 f5 27. Bg2 fxe4 28.
fxe4 Ng8 29. Bf3 Nf6 30. e5 dxe5 31. Nxe5+ Kg8 32. Nxg6 Nd5 33. Bxh5 e5 34.
dxe5 Bf5 35. Bd4 Bxg6 36. Bxg6 Bxe5 37. Qa1 Bxg3+ 38. Nxg3 Qf4+ 39. Kg2 Qxh4
40. Be4 Nf4+ 41. Kf3 Nh3 42. Be3 Ne7 43. Qe5 Kf7 44. Qh5+ Qxh5+ 45. Nxh5 Ke6
46. Kg4 Ke5 47. Ng3 1-0

[Event "Hiver"]
[Site "Montreal CAN"]
[Date "1974.??.??"]
[Round "5"]
[White "Zalys, Ignas"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B20"]
[PlyCount "52"]
[EventDate "1974.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. d3 a6 5. a4 Nf6 6. Bg5 Be7 7. Nf3 h6 8. Bf4 d5
9. Bb3 d4 10. Ne2 Nh5 11. Bd2 Bd6 12. c3 Qf6 13. O-O e5 14. Ne1 Nf4 15. Bxf4
exf4 16. f3 O-O 17. Nc2 Be5 18. Qd2 g5 19. Na3 Rd8 20. Qc2 dxc3 21. bxc3 Nb4
22. cxb4 Bxa1 23. bxc5 Bb2 24. Nb1 Bd4+ 25. Kh1 Qe5 26. Bd5 Be3 1/2-1/2

[Event "Nathanya (Israel)"]
[Site "?"]
[Date "1974.??.??"]
[Round "?"]
[White "Kraidman, Yair"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "A59"]
[PlyCount "82"]
[EventDate "1974.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8.
Kxf1 g6 9. Nf3 Bg7 10. h3 O-O 11. Kg1 Nbd7 12. Kh2 Qa5 13. Qc2 Rfb8 14. Re1 Rb4
15. Bd2 Qa6 16. a3 Rb7 17. Rad1 Ne8 18. Bc1 Nc7 19. Rd2 Nb5 20. Nxb5 Qxb5 21.
Ree2 Ra4 22. Qd1 Rc4 23. Ng5 Ne5 24. f4 Nd3 25. a4 Qa6 26. Rxd3 Rxc1 27. Qxc1
Qxd3 28. Qc2 Qxc2 29. Rxc2 Rb4 30. b3 Rxb3 31. Ra2 Rb6 32. Nf3 Bc3 33. Kg3 Ba5
34. Kf2 Kf8 35. Ke2 Ke8 36. e5 Rb4 37. g3 Rb3 38. g4 Rb4 39. Ke3 Rb3+ 40. Ke4
h6 41. f5 c4 1/2-1/2

[Event "Toronto op"]
[Site "Toronto CAN"]
[Date "1974.04.13"]
[Round "4"]
[White "Piasetski, Leon"]
[Black "Pushkedra, Frank"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "103"]
[EventDate "1974.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. g3 Nd7 5. Bg2 c6 6. Nf3 Ngf6 7. O-O e6 8. d3
Bc5 9. Nbd2 Qc7 10. a3 b5 11. b4 Bb6 12. c4 bxc4 13. dxc4 Qb7 14. Qe1 Bg6 15.
Nh4 e5 16. e4 d4 17. f4 h6 18. c5 Bc7 19. Nc4 Rd8 20. Nf5 Bxf5 21. exf5 O-O 22.
Nxe5 Nxe5 23. fxe5 Rfe8 24. e6 fxe6 25. fxe6 Qc8 26. e7 Rd5 27. Rd1 Re5 28. Qd2
R5xe7 29. Qxd4 Be5 30. Qc4+ Kh8 31. Bxe5 Rxe5 32. Rd6 Nd5 33. Qg4 Qb8 34. Rf7
Rg5 35. Qd4 Kg8 36. Rf3 Qc8 37. h4 Rg4 38. Qf2 Rge4 39. Rf7 R4e7 40. Rxe7 Rxe7
41. b5 Ne3 42. Rxc6 Qb8 43. Qf4 Qxb5 44. Rc8+ Kh7 45. Be4+ g6 46. Qxe3 Qd7 47.
Rb8 Qe6 48. Qd3 Qxe4 49. Qxe4 Rxe4 50. c6 Rc4 51. Rb7+ Kg8 52. c7 1-0

[Event "Toronto op"]
[Site "Toronto CAN"]
[Date "1974.04.14"]
[Round "5"]
[White "Williams, Leo"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "65"]
[EventDate "1974.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 O-O 6. O-O Nc6 7. d5 Nb8 8. Be3
c6 9. a4 Bg4 10. Nd2 Bxe2 11. Qxe2 Nbd7 12. a5 Qc7 13. Ra3 Rfe8 14. Rfa1 e6 15.
a6 exd5 16. axb7 Qxb7 17. Rb3 Qc7 18. Qa6 Nc5 19. Bxc5 dxc5 20. exd5 cxd5 21.
Nf3 Qf4 22. Qc6 c4 23. Rb5 Qf5 24. Nxd5 Nxd5 25. Rxd5 Qxc2 26. Rd2 Qe4 27. Qc7
Rab8 28. h3 Rb7 29. Qc5 Rxb2 30. Rd7 c3 31. Rc1 Rc2 32. Rxc2 Qxc2 33. Qd5 0-1

[Event "Toronto op"]
[Site "Toronto CAN"]
[Date "1974.04.14"]
[Round "6"]
[White "Vranesic, Zvonko"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "A32"]
[PlyCount "65"]
[EventDate "1974.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bd2 O-O 7. a3 Be7 8. g3
Qc7 9. e3 Nc6 10. Nf3 b6 11. Nb5 Qb8 12. Bg2 Bb7 13. O-O Rd8 14. Qe2 a6 15. Nc3
Na5 16. b4 Nb3 17. Ra2 Nxd2 18. Nxd2 Bxg2 19. Kxg2 d5 20. cxd5 Qb7 21. Qf3 Nxd5
22. Ndb1 Qc7 23. Rc1 Qe5 24. Nxd5 Qxd5 25. Qxd5 Rxd5 26. Rc6 b5 27. Kf3 g6 28.
Ke2 a5 29. Nc3 Rd7 30. bxa5 Rxa5 31. Rb6 Rxa3 32. Rxa3 Bxa3 33. Nxb5 1/2-1/2

[Event "CAN Olympiad playoff"]
[Site "Montreal CAN"]
[Date "1974.04.16"]
[Round "1"]
[White "Witt, Laszlo"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "81"]
[EventDate "1974.04.21"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. Bb5 Bg4 5. O-O e6 6. Re1 a6 7. Bxc6+ bxc6 8.
h3 Bh5 9. d3 Be7 10. Qe2 Nf6 11. Bg5 e5 12. Nd1 O-O 13. Bxf6 Bxf6 14. Ne3 Rb8
15. b3 Re8 16. g4 Bg6 17. Nf1 Be7 18. Ng3 Bf8 19. Kg2 f6 20. Rh1 Bf7 21. h4 Be6
22. Nf5 g6 23. Ne3 Qd7 24. Rag1 Bxg4 25. Nxe5 Rxe5 26. Nxg4 Re6 27. Qf3 Bg7 28.
h5 f5 29. exf5 gxf5 30. Qxf5 Rf8 31. Qg5 Kh8 32. Kf1 Qf7 33. Rh2 Bc3 34. Rg3 h6
35. Nxh6 Re1+ 36. Kg2 Qxf2+ 37. Kh3 Qf1+ 38. Rhg2 Qh1+ 39. Rh2 Qf1+ 40. Rhg2
Qh1+ 41. Rh2 1/2-1/2

[Event "CAN Olympiad playoff"]
[Site "Montreal CAN"]
[Date "1974.04.18"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Dobrich, Walter"]
[Result "1-0"]
[ECO "A27"]
[PlyCount "111"]
[EventDate "1974.04.21"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Nh6 8.
Bg2 O-O 9. O-O Nf5 10. Bd2 Ne7 11. Rc1 d6 12. Bg5 f6 13. Bf4 Be6 14. b3 Qd7 15.
e4 Bh3 16. c5 Bxg2 17. Kxg2 g5 18. Be3 d5 19. Qd3 Rad8 20. exd5 cxd5 21. c6
Qxc6 22. Nb5 Qe6 23. Nxc7 Qd7 24. Rfd1 Kh8 25. Qb5 Qf5 26. Bxa7 Ng6 27. Qd3 Qg4
28. Kh1 Ne5 29. Qf1 d4 30. f4 gxf4 31. gxf4 Ng6 32. Qg2 Qf5 33. Rc5 Qd7 34. f5
Ne5 35. Ne6 Qxa7 36. Rc7 Qa8 37. Rxg7 d3 38. Nxf8 Rxf8 39. Qxa8 Rxa8 40. Rg2
Rd8 41. h3 Rd4 42. Rgd2 h5 43. a4 Rd5 44. Kg2 Kg7 45. Kf2 Kh6 46. Rg1 Rd4 47.
a5 Rf4+ 48. Ke3 Rh4 49. a6 Rxh3+ 50. Ke4 Rh4+ 51. Kd5 Rb4 52. Ra2 Rb5+ 53. Kd6
d2 54. a7 Rb6+ 55. Kc7 Rc6+ 56. Kb7 1-0

[Event "CAN Olympiad playoff"]
[Site "Montreal CAN"]
[Date "1974.04.19"]
[Round "4"]
[White "Piasetski, Leon"]
[Black "Witt, Laszlo"]
[Result "1/2-1/2"]
[ECO "C60"]
[PlyCount "84"]
[EventDate "1974.04.21"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O d6 5. d3 g6 6. Be3 Bg7 7. c3 a6 8. Ba4
Bg4 9. h3 Bxf3 10. Qxf3 O-O 11. Qe2 f5 12. f3 Kh8 13. Nd2 f4 14. Bf2 Bf6 15.
Rfd1 Qe8 16. Bb3 Ng8 17. Nf1 Qe7 18. Qe1 Nd8 19. d4 Nf7 20. a4 h5 21. Rd3 Ngh6
22. Bd1 Rae8 23. d5 Rg8 24. c4 g5 25. Nh2 Rc8 26. Rc1 c5 27. b4 Qc7 28. Rb3 Nd8
29. Rcb1 Nhf7 30. b5 axb5 31. cxb5 b6 32. a5 Ra8 33. Ra1 Nb7 34. axb6 Qxb6 35.
Ra6 Rxa6 36. bxa6 Qxa6 37. Be2 Qa7 38. Qb1 Nbd8 39. Rb8 Nh6 40. Qb6 Qxb6 41.
Rxb6 Ndf7 42. Kf1 Ra8 1/2-1/2

[Event "CAN Olympiad playoff"]
[Site "Montreal CAN"]
[Date "1974.04.21"]
[Round "6"]
[White "Dobrich, Walter"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "A43"]
[PlyCount "76"]
[EventDate "1974.04.21"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 e6 2. d4 c5 3. d5 exd5 4. exd5 d6 5. Nf3 Nf6 6. Bb5+ Nbd7 7. O-O Be7 8.
Re1 O-O 9. c4 a6 10. Ba4 b5 11. cxb5 Nb6 12. Nc3 Nxa4 13. Qxa4 Bd7 14. Qc4 axb5
15. Nxb5 Nxd5 16. Qxd5 Bxb5 17. Bg5 Bxg5 18. Nxg5 Ra4 19. Re4 Qf6 20. Rae1 h6
21. Rxa4 Bxa4 22. Ne4 Qxb2 23. Nxd6 Qd4 24. Nf5 Qxd5 25. Ne7+ Kh7 26. Nxd5 Rd8
27. Nc3 Bc6 28. Re5 c4 29. Rc5 Rd2 30. Rxc6 Rc2 31. Kf1 Rxc3 32. a4 Rc2 33. Ke1
c3 34. a5 Rc1+ 35. Ke2 c2 36. Kd2 Ra1 37. a6 c1=Q+ 38. Rxc1 Rxa6 1/2-1/2

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "2"]
[White "Viglundsson, Bjorgvin"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2200"]
[BlackElo "2295"]
[PlyCount "37"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. g3 dxe4 6. dxe4 e5 7. Bg2 Bc5 8.
O-O O-O 9. c3 a5 10. Qa4 Bd7 11. Qc2 Re8 12. h3 b5 13. Kh2 a4 14. Rb1 Ra6 15.
b4 axb3 16. axb3 Qa8 17. b4 Bb6 18. Qd3 Ra1 19. c4 1/2-1/2

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "3"]
[White "Radashkovich, Itchak"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2425"]
[BlackElo "2295"]
[PlyCount "79"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. g3 g6 8. Bg2
Bg7 9. Nh3 Nbd7 10. O-O O-O 11. Qc2 Qb6 12. Rb1 Rfb8 13. b3 Ne8 14. Bd2 Nc7 15.
Nf4 Ne5 16. h4 Nb5 17. Nxb5 Bxb5 18. a4 Bd7 19. a5 Qa6 20. Rfe1 Bb5 21. Bc3 Rb7
22. Ra1 Bf6 23. Ra3 Bd7 24. Be4 Rab8 25. Kg2 Ng4 26. Bd3 Bb5 27. Bxf6 Nxf6 28.
Bc4 Bxc4 29. bxc4 Rb2 30. Qa4 h6 31. Ra2 R2b7 32. Qc6 Qa7 33. a6 Rb6 34. Qa4
Kg7 35. Nd3 Ra8 36. Rc1 Rab8 37. f3 Ne8 38. e4 Rb3 39. Ra3 R3b6 40. Qc2 1-0

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "4"]
[White "Piasetski, Leon"]
[Black "Wostin, Rik Hendrik"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2295"]
[BlackElo "2265"]
[PlyCount "51"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Nc3 a6 6. Bxc6 Nxc6 7. d4 cxd4 8.
Nxd4 Qc7 9. Re1 Be7 10. Nxc6 bxc6 11. e5 O-O 12. Bf4 f5 13. exf6 Qxf4 14. fxe7
Qxf2+ 15. Kh1 Re8 16. Ne4 Qh4 17. Nd6 Rxe7 18. Qe2 Qb4 19. Qe5 a5 20. a3 Qd2
21. c4 a4 22. Rad1 Qc2 23. Qg5 Rf7 24. Nxf7 Kxf7 25. Rf1+ Ke8 26. Qxg7 1-0

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "5"]
[White "Teboudi, K."]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2200"]
[BlackElo "2295"]
[PlyCount "84"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O d5 8.
Nd2 Be7 9. c4 O-O 10. e5 Nd7 11. Qe2 Ba6 12. b3 Nc5 13. Bc2 f5 14. exf6 Bxf6
15. Ba3 Bxa1 16. Bxc5 Qf6 17. Bxf8 Rxf8 18. Nf3 Bc3 19. Bd3 Bc8 20. Qe3 a5 21.
Qc5 Bd7 22. Qd6 Be8 23. h4 h6 24. Be2 e5 25. Qxf6 gxf6 26. Rd1 Bf7 27. Nd2 Rd8
28. Nf1 Bd4 29. Ng3 Be6 30. Nh5 Kf7 31. Kf1 Bb6 32. g4 dxc4 33. Rxd8 cxb3 34.
axb3 Bxd8 35. Bd1 f5 36. gxf5 Bxf5 37. Ng3 Bd3+ 38. Kg2 Bxh4 39. Nf1 Bg5 40.
Ng3 Ke6 41. Bf3 Kd6 42. Ne4+ Kc7 0-1

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "7"]
[White "Santos, Jose"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2200"]
[BlackElo "2295"]
[PlyCount "80"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8.
Qc2 e5 9. Bd2 Bc5 10. Be2 d6 11. h3 h6 12. Na4 Bd4 13. Rd1 Qe7 14. b4 O-O 15.
Bc3 c5 16. b5 Bb7 17. Bf3 Qe6 18. Bd2 Nh7 19. O-O Ng5 20. Bxg5 hxg5 21. Qd3 g6
22. Nc3 Kg7 23. Nd5 Qd7 24. g4 Rh8 25. Kg2 Rh4 26. Rb1 Rah8 27. Rh1 Rf8 28. Qd2
Kh6 29. Ne3 f5 30. Qd3 fxe4 31. Bxe4 Rf4 32. f3 Bxe4 33. fxe4 Qf7 34. Rbf1 Bxe3
35. Qxe3 Qxc4 36. Re1 Qxa2+ 37. Re2 Qe6 38. Ra1 Rfxg4+ 39. Kf2 Rf4+ 40. Ke1
Rxh3 0-1

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "11"]
[White "Piasetski, Leon"]
[Black "Moen, Ole Christian"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2295"]
[BlackElo "2200"]
[PlyCount "89"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. O-O d6 6. Nc3 Nbd7 7. Rb1 a5 8. a3
Nb6 9. d3 Bd7 10. b3 Nh5 11. Bb2 e5 12. Nd2 c6 13. b4 axb4 14. axb4 d5 15. c5
Nc8 16. Ra1 Rb8 17. Na4 f5 18. Nf3 Qe7 19. e3 Re8 20. Re1 b5 21. cxb6 Qxb4 22.
Ba3 Qb5 23. Rb1 Qa6 24. Bc5 Nf6 25. Bf1 Qa8 26. d4 exd4 27. Bxd4 Ne4 28. Ra1 c5
29. Nxc5 Qc6 30. b7 Ne7 31. Ra6 Qc7 32. Nxd7 Qxd7 33. Bxg7 Kxg7 34. Rb6 Qc7 35.
Qd4+ Kg8 36. Reb1 Red8 37. Qe5 Rd6 38. Rxd6 Qxd6 39. Rb6 Qxe5 40. Nxe5 Nc5 41.
Nc6 Nxc6 42. Rxc6 Nd7 43. Rc7 Rd8 44. Rc8 Rf8 45. Bg2 1-0

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "13"]
[White "Piasetski, Leon"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2295"]
[BlackElo "2325"]
[PlyCount "46"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O g6 5. d4 exd4 6. Nxd4 Bg7 7. Be3 O-O 8.
Nc3 d6 9. Re1 Bd7 10. Nxc6 bxc6 11. Ba4 Kh8 12. Qd2 Ng8 13. Rad1 Qb8 14. Bb3
Be6 15. Bd4 Bxb3 16. Bxg7+ Kxg7 17. axb3 f6 18. Re3 Qb6 19. h4 Rae8 20. h5 Re5
21. hxg6 hxg6 22. f4 Rh5 23. Ne2 Nh6 1/2-1/2

[Event "Olympiad final-B"]
[Site "Nice FRA"]
[Date "1974.06.29"]
[Round "14"]
[White "Adamski, Jan"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2405"]
[BlackElo "2295"]
[PlyCount "124"]
[EventDate "1974.06.06"]
[EventCountry "FRA"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8.
bxc3 Ne5 9. f4 Ng6 10. Bxf6 Qxf6 11. g3 h5 12. Bg2 h4 13. Nb5 hxg3 14. hxg3
Rxh1+ 15. Bxh1 Kd8 16. Qd4 a6 17. Qxf6+ gxf6 18. Nd4 d6 19. c5 dxc5 20. Nb3 c6
21. Nxc5 Kc7 22. Rd1 b6 23. Ne4 f5 24. Ng5 f6 25. Nf3 Bd7 26. Kf2 Rh8 27. Bg2
c5 28. a3 Bc6 29. Ne1 Ne7 30. Bxc6 Kxc6 31. Ng2 Nd5 32. Rc1 b5 33. Ne3 Rh2+ 34.
Kf3 Nxe3 35. Kxe3 Kd5 36. c4+ bxc4 37. a4 Rh8 38. Ra1 Kc6 39. Rc1 Rb8 40. Rxc4
Rb3+ 41. Kd2 Rxg3 42. Rc1 Ra3 43. Rh1 Rxa4 44. Rh6 Rxf4 45. Rxf6+ Kb5 46. e4
Rxe4 47. Rxf5 Rc4 48. Rf8 a5 49. Kd3 Rc1 50. Kd2 Rh1 51. Kc3 Rh3+ 52. Kb2 a4
53. Rb8+ Kc4 54. Ra8 Rh2+ 55. Kb1 Kb3 56. Rb8+ Kc3 57. Ka1 c4 58. Kb1 Rh7 59.
Ka2 Kc2 60. Rb1 Re7 61. Rg1 c3 62. Rg2+ Kd1 0-1

[Event "Olympiad prelim-2"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Philippe, Georges"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "2295"]
[BlackElo "2200"]
[PlyCount "35"]
[EventDate "1974.06.07"]
[EventCountry "FRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 bxc6 7. Re1 d6 8.
d4 exd4 9. Qxd4 O-O 10. Nc3 d5 11. e5 Ne8 12. Na4 Rb8 13. a3 g6 14. Bh6 Ng7 15.
Qc3 Qe8 16. Nd4 Bd7 17. e6 fxe6 18. Bxg7 1-0

[Event "Olympiad prelim-2"]
[Site "Nice FRA"]
[Date "1974.??.??"]
[Round "4"]
[White "Verduga, Denis Homero"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2250"]
[BlackElo "2295"]
[PlyCount "68"]
[EventDate "1974.06.07"]
[EventCountry "FRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5
Be6 9. Nd2 Be7 10. Nc4 Nxe4 11. Bxe7 Qxe7 12. Ncxd6+ Nxd6 13. Qxd6 Qxd6 14.
Nxd6+ Ke7 15. O-O-O Rhd8 16. Nxb7 Rxd1+ 17. Kxd1 Rb8 18. Nc5 Rxb2 19. Nxe6 fxe6
20. Kc1 Rxa2 21. Kb1 Ra4 22. c3 Rf4 23. f3 e4 24. fxe4 Rf2 25. Bb5 Ne5 26. Rg1
a5 27. h3 h5 28. g3 g5 29. Ba4 Nf3 30. Rd1 Nd2+ 31. Kc1 Nxe4 32. Re1 Nxc3 33.
Bb3 Re2 34. Rxe2 Nxe2+ 0-1

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1974.10.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Day, Lawrence"]
[Result "1/2-1/2"]
[ECO "C79"]
[PlyCount "47"]
[EventDate "1974.10.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Re1 Bd7 6. c3 a6 7. Ba4 g6 8. d4
Qe7 9. Nbd2 Bg7 10. a3 O-O 11. b4 Qe8 12. Bb3 Nh5 13. Nf1 Bg4 14. d5 Ne7 15. h3
Bd7 16. g4 Nf6 17. Ng3 Kh8 18. Nh2 Nfg8 19. Ra2 f5 20. f3 f4 21. Ngf1 Bf6 22.
Ree2 Bh4 23. c4 Nh6 24. Bd2 1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Allan, Denis"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "41"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. d4 g6 2. e4 d6 3. Bc4 Nc6 4. Nf3 Bg7 5. O-O Nf6 6. Re1 O-O 7. h3 Nxe4 8. d5
Nxf2 9. Kxf2 Ne5 10. Nxe5 Bxe5 11. Nd2 Bd4+ 12. Kf1 e5 13. Nf3 Bb6 14. Qd2 Bd7
15. Qh6 f6 16. Be3 Kh8 17. Kg1 Rg8 18. Bxb6 axb6 19. Bd3 Rg7 20. Re2 b5 21. b3
1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Ball, Stephen"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "66"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. d4 g6 2. c4 d6 3. Nc3 Bg7 4. e4 e5 5. Be3 Nc6 6. d5 Nce7 7. Qd2 f5 8. exf5
gxf5 9. f4 Ng6 10. Nge2 Nf6 11. fxe5 dxe5 12. h3 O-O 13. Bg5 f4 14. O-O-O h6
15. Bxf6 Qxf6 16. Ne4 Qf7 17. N2c3 Nh4 18. Bd3 Nf5 19. Rdf1 Nd4 20. Kb1 Kh8 21.
Rf2 a6 22. g4 b5 23. Rg1 Rb8 24. h4 bxc4 25. Bxc4 c6 26. Qd3 cxd5 27. Nxd5 Be6
28. Ng5 hxg5 29. hxg5 Rfd8 30. Nf6 Bxf6 31. Rh1+ Kg8 32. gxf6 Bxc4 33. Qh3
Bxa2+ 0-1

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Berry, Jonathan"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "66"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. c4 e5 2. Nc3 Nf6 3. d3 Bb4 4. Bd2 O-O 5. g3 c6 6. a3 Bxc3 7. Bxc3 Re8 8. Nf3
e4 9. Ng5 e3 10. Bh3 exf2+ 11. Kxf2 d5 12. Bxc8 Qxc8 13. Bxf6 Qf5+ 14. Nf3 Qxf6
15. cxd5 cxd5 16. Qb3 Nc6 17. Rae1 Ne5 18. Rhf1 Ng4+ 19. Kg1 Ne3 20. Rf2 b6 21.
d4 Ng4 22. Rff1 Qh6 23. Nh4 Qe3+ 24. Qxe3 Nxe3 25. Rf2 g6 26. Ng2 Nc2 27. Rc1
Nxd4 28. Rd1 Re4 29. e3 Nf5 30. Rxd5 Rc8 31. Rd7 a5 32. Re2 Rc1+ 33. Kf2 Rec4
1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Dobrich, Walter"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "66"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. e4 d6 2. Nc3 g6 3. g3 Bg7 4. Bg2 e5 5. Nge2 Ne7 6. O-O O-O 7. d3 f5 8. Bg5
h6 9. Be3 Nd7 10. Qd2 g5 11. f4 exf4 12. gxf4 g4 13. Ng3 Nf6 14. e5 Ne8 15. d4
d5 16. h3 c6 17. hxg4 fxg4 18. f5 Nxf5 19. Nxf5 Bxf5 20. Bxh6 Qh4 21. Bg5 Qh7
22. Ne2 Nc7 23. Rac1 Ne6 24. Ng3 Bg6 25. Rf6 Nxg5 26. Qxg5 Rxf6 27. exf6 Bh6
28. Qxg4 Bxc1 29. Nf5 Kh8 30. Ne7 Be3+ 31. Kf1 Bxc2 32. Bf3 Rf8 33. Qe6 Bxd4
0-1

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Doubleday, William"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "70"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. d4 g6 2. e4 d6 3. Nf3 Bg7 4. Bc4 Nf6 5. Qe2 O-O 6. Nbd2 Nc6 7. c3 Nd7 8. Nf1
e5 9. Bg5 Qe8 10. Rd1 Nb6 11. d5 Nd8 12. Bb5 Nd7 13. g4 h6 14. Bc1 c6 15. Bc4
Nb6 16. Ne3 cxd5 17. Bxd5 Nxd5 18. Nxd5 Bxg4 19. Nc7 Qc6 20. Nxa8 f5 21. Rg1
Bh5 22. Qd3 Nf7 23. Nh4 fxe4 24. Qg3 Qc4 25. f3 exf3 26. Qf2 Ng5 27. Bxg5 hxg5
28. Rxg5 Qe4+ 29. Kd2 Bh6 30. Rdg1 Bxg5+ 31. Rxg5 Qf4+ 32. Qe3 Qxe3+ 33. Kxe3
f2 34. Nxg6 Bxg6 35. Rxg6+ Kh7 0-1

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Hebert, Jean"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "38"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. c3 Nge7 5. O-O a6 6. Ba4 b5 7. Bc2 d5 8. a4 b4
9. d4 c4 10. exd5 exd5 11. b3 cxb3 12. Bxb3 g6 13. Bg5 Bg7 14. cxb4 Nxb4 15.
Qd2 Nbc6 16. Nc3 f6 17. Bh6 O-O 18. Bxg7 Kxg7 19. h3 Be6 1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Amos, Bruce"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "77"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 e6 5. c4 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. d4
cxd4 9. Nxd4 O-O 10. O-O Re8 11. Nd2 Bc7 12. Rc1 Qd6 13. N2f3 a6 14. Qc2 Nxd4
15. Bxd4 Bb6 16. Bxb6 Qxb6 17. Nd4 Be6 18. Qc5 Qxc5 19. Rxc5 Rac8 20. Rfc1 Rxc5
21. Rxc5 Kf8 22. Bd3 g6 23. Kf1 Bd7 24. Rc7 Rb8 25. b4 Ke7 26. Ke2 Kd6 27. Rc2
Ne8 28. Kd2 Nc7 29. Be2 Ne6 30. Nf3 Bc6 31. g3 f6 32. Rc3 Rd8 33. Kc2 Ke7 34.
Nd4 Nxd4+ 35. exd4 Kd6 36. Re3 Re8 37. Rxe8 Bxe8 38. Kb3 g5 39. a4 1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Biyiasas, Peter"]
[Result "0-1"]
[ECO "E97"]
[PlyCount "114"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. c4 g6 2. d4 d6 3. Nc3 Bg7 4. Nf3 Nf6 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 Nd7 12. Ne1 f5 13. Nd3 b6 14. a4 Nc5 15. Bf3
g5 16. Bxc5 bxc5 17. exf5 e4 18. Nxe4 Bxa1 19. Qxa1 Nxf5 20. Bg4 Nd4 21. Qd1
Qe8 22. Nxg5 Qxa4 23. Bxc8 Qxd1 24. Rxd1 Raxc8 25. g3 Rce8 26. Kg2 h6 27. Nh3
Re2 28. Rc1 Rc2 29. Rxc2 Nxc2 30. Nhf4 Na3 31. Ne6 Rc8 32. f4 Nxc4 33. Kf3 Ra8
34. Nxc7 Ra3 35. Ke4 Kf7 36. g4 Nd2+ 37. Ke3 Nf1+ 38. Ke2 Nxh2 39. g5 Ra2+ 40.
Ke3 Nf1+ 41. Ke4 Re2+ 42. Kf5 Ne3+ 43. Ke4 Nc2+ 44. Kf5 Nd4+ 45. Kg4 c4 46. Nb4
c3 47. gxh6 c2 48. Na2 Rg2+ 49. Kh5 Rg1 50. Ne6 Nxe6 51. dxe6+ Kxe6 52. h7 c1=Q
53. Nxc1 Rxc1 54. Kg6 Rg1+ 55. Kh6 Rh1+ 56. Kg7 Rxh7+ 57. Kxh7 Kf5 0-1

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Day, Lawrence"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "118"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 4. c3 Qb6 5. Qd2 Bh6 6. e3 d5 7. Ne2 Nc6 8. g3
cxd4 9. cxd4 Bf5 10. Nec3 Rd8 11. Na3 e5 12. Nab5 a6 13. Na4 Qxb5 14. Bxb5 axb5
15. Nc5 Nxd4 16. Qa5 Nc2+ 17. Ke2 O-O 18. Rac1 d4 19. Rhd1 e4 20. Rxc2 d3+ 21.
Kd2 dxc2+ 22. Kxc2 Ra8 23. Qb6 Rfc8 24. Kb1 Bf8 25. Rd5 Bg6 26. Nd7 Rc6 27.
Qxb5 Rac8 28. a3 Be7 29. Ka2 R8c7 30. g4 Kg7 31. h4 h6 32. Qa5 b6 33. Qa8 Bh7
34. Qe8 Re6 35. Qb8 Rc2 36. Rb5 Rd2 37. Nxb6 Rxf2 38. Nd5 Bd6 39. Qd8 Rd2 40.
g5 hxg5 41. hxg5 Be5 42. Qa5 Rf2 43. gxf6+ Bxf6 44. Nxf6 Rexf6 45. Qc3 Bf5 46.
a4 Kg6 47. Qd4 Rc2 48. Ka3 Rcc6 49. b3 Rfd6 50. Qe5 Rf6 51. Rb8 Kg7 52. Qe8 Bh7
53. Qh8+ Kg6 54. Rd8 Rc5 55. Rd2 Rg5 56. Rh2 Kf5 57. Qxh7+ Ke5 58. Rh5 Rgf5 59.
Rxf5+ Rxf5 1-0

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Harper, Bruce"]
[Result "1/2-1/2"]
[ECO "A41"]
[PlyCount "32"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. c4 g6 2. d4 d6 3. g3 Bg7 4. Bg2 Nc6 5. d5 Ne5 6. Bd2 Rb8 7. Bc3 Nf6 8. b3
O-O 9. Nd2 c5 10. a4 b6 11. h3 Ned7 12. e4 e6 13. Ne2 exd5 14. exd5 Re8 15. O-O
Ne5 16. Nf4 a5 1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Macskasy, Elod"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "85"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Nbd2 Bc5 5. c3 d5 6. Be2 O-O 7. O-O Bb6 8. b4
a6 9. Bb2 Re8 10. a3 Bg4 11. Qc2 a5 12. b5 Nb8 13. h3 Bh5 14. exd5 Nxd5 15.
Rfe1 Nf4 16. Bf1 f6 17. d4 Bg6 18. Qb3+ Kh8 19. g3 e4 20. Nh4 f5 21. c4 Nd7 22.
c5 Ba7 23. Nc4 a4 24. Qc2 Nd5 25. Nxg6+ hxg6 26. Rad1 Bb8 27. c6 bxc6 28. Ne5
Nxe5 29. dxe5 Ba7 30. Qxc6 Qg5 31. Bd4 Ne7 32. Qc4 Bxd4 33. Rxd4 f4 34. Rdxe4
Qh6 35. Rxf4 g5 36. Rf7 Ng6 37. e6 Rad8 38. Qxc7 g4 39. hxg4 Rc8 40. Qa7 Rc2
41. Qd7 Rcc8 42. e7 Qg5 43. Rf5 1-0

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Vranesic, Zvonko"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "114"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 7. O-O Be7 8.
Kh1 O-O 9. f4 a6 10. Be3 Qc7 11. Qe1 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Qg3 Rac8
15. Rae1 Qb8 16. e5 dxe5 17. Bxe5 Qa8 18. Bd3 g6 19. f5 exf5 20. Rxf5 Bxg2+ 21.
Kg1 Nh5 22. Rxh5 Bc5+ 23. Re3 Qf3 24. Bf4 Bxe3+ 25. Bxe3 Rfe8 26. Qxf3 Bxf3 27.
Rc5 Rxc5 28. Bxc5 Bc6 29. Kf2 f6 30. b4 Re5 31. a4 bxa4 32. Bxa6 a3 33. Bd6
Rf5+ 34. Ke2 Kg7 35. Bc4 Rg5 36. Kd3 h5 37. b5 Bxb5 38. Nxb5 Rxb5 39. Bxa3 Rb1
40. Bd5 Rd1+ 41. Ke4 Re1+ 42. Kf3 Rd1 43. Be4 f5 44. Bd3 Kf6 45. h4 Rh1 46.
Bb2+ Ke6 47. Kg3 f4+ 48. Kxf4 Rxh4+ 49. Kg3 Rg4+ 50. Kf3 Kd5 51. Bf6 Kc5 52.
Bg7 Kd5 53. Bh8 Kc5 54. Bg7 Kd5 55. Bh8 Kc5 56. Bg7 Kd5 57. c3 g5 1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Yanofsky, Abe"]
[Result "1-0"]
[ECO "E63"]
[PlyCount "91"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nc6 7. d4 a6 8. h3
Rb8 9. Be3 Bd7 10. Qd2 b5 11. cxb5 axb5 12. Rac1 Na5 13. b3 b4 14. Nb1 Rb5 15.
Bh6 Qc8 16. Bxg7 Kxg7 17. Qd3 Rb6 18. Kh2 Bf5 19. Qe3 Nd5 20. Qd2 Rb5 21. Ne1
Bxb1 22. Rxb1 Nc3 23. Rb2 c5 24. dxc5 dxc5 25. Nd3 Qc7 26. Rc1 Rd8 27. Rxc3
bxc3 28. Qxc3+ Kg8 29. b4 Nb7 30. a4 Rb6 31. a5 Rf6 32. Ra2 Nd6 33. Qxc5 Qxc5
34. bxc5 Nb5 35. a6 Na7 36. Bb7 Rd7 37. Kg2 Rc7 38. Ra4 Kf8 39. Rb4 Ke8 40. Rb6
Kd8 41. f4 h6 42. h4 Rd7 43. Nb4 Rd2 44. Bf3 Rd4 45. Rxf6 exf6 46. Nc6+ 1-0

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "?"]
[White "Spraggett, Kevin"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "55"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 b5 6. f3 Nd7 7. Nh3 Bb7 8. Nf2
Rc8 9. Be2 c5 10. dxc5 Nxc5 11. a3 Nf6 12. Bh6 O-O 13. Bxg7 Kxg7 14. O-O Qc7
15. Qe3 e5 16. Rad1 Ne6 17. Nd3 Nd7 18. Rf2 Nb6 19. Nc1 Qc5 20. Qxc5 dxc5 21.
Bf1 Rfd8 22. Rfd2 Rxd2 23. Rxd2 Kf6 24. Kf2 Ke7 25. Nd1 f5 26. exf5 gxf5 27.
Ne3 Kf6 28. Bd3 1/2-1/2

[Event "CAN-ch"]
[Site "Calgary CAN"]
[Date "1975.??.??"]
[Round "6"]
[White "Coudari, Camille"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "A75"]
[PlyCount "116"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 a6 8. a4 Bg7
9. Be2 O-O 10. O-O Bg4 11. Nd2 Bxe2 12. Qxe2 Nbd7 13. Nc4 Nb6 14. Ne3 Re8 15.
a5 Nbd7 16. Nc4 Ne5 17. Nb6 Rb8 18. Bg5 Ned7 19. Nc4 Ne5 20. Nxe5 Rxe5 21. f4
Rxg5 22. fxg5 Nd7 23. Qd2 b5 24. axb6 Rxb6 25. Qe2 Qxg5 26. Rxa6 Rxa6 27. Qxa6
Bd4+ 28. Kh1 Be5 29. Qc8+ Nf8 30. Qh3 Kg7 31. Nb5 Qe7 32. b3 Nd7 33. Na3 Bd4
34. Qf3 Nf6 35. Nc2 Be5 36. g3 h5 37. Rf2 Qb7 38. Kg2 Ng4 39. Re2 Bf6 40. Na3
Ne5 41. Qe3 Qb4 42. Nc2 Qb5 43. h3 Bg5 44. Qf2 Qxb3 45. Ne1 Qb4 46. Nf3 Nd3 47.
Qf1 Bf6 48. Re3 Ne5 49. Nxe5 Bxe5 50. Qe1 Qd4 51. Qe2 c4 52. Kf3 Bf6 53. Ra3 c3
54. Kg2 Bg5 55. Ra6 Qc5 56. Rc6 Qb4 57. e5 Qd4 58. h4 Qd2 1/2-1/2

[Event "Primorsko"]
[Site "?"]
[Date "1975.??.??"]
[Round "?"]
[White "Manolov, Ivan"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "63"]
[EventDate "1975.??.??"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nc6 5. Be3 Nf6 6. Nf3 O-O 7. h3 e6 8. Qd2 a6
9. O-O-O b5 10. e5 Nd7 11. g4 Bb7 12. Qf2 b4 13. Na4 Ne7 14. b3 Nd5 15. Bc4 c5
16. Rhe1 Nxe3 17. Qxe3 cxd4 18. Nxd4 d5 19. Bd3 Qc7 20. h4 Rfc8 21. h5 g5 22.
Re2 gxf4 23. Qxf4 Nxe5 24. Qe3 Nxd3+ 25. Rxd3 Re8 26. h6 Bf8 27. Qg5+ Kh8 28.
Qf6+ Kg8 29. Re5 Bxh6+ 30. Kb1 Qd6 31. Rh3 Bd2 32. Rxh7 1-0

[Event "Olympiad"]
[Site "Haifa ISR"]
[Date "1976.10.27"]
[Round "3"]
[White "Piasetski, Leon"]
[Black "Knudsen, Ole Scott"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2390"]
[PlyCount "98"]
[EventDate "1976.??.??"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. f4
Qc7 9. Bd3 Be7 10. O-O O-O 11. Qe2 Rc8 12. a5 Nc6 13. Be3 exf4 14. Rxf4 Ne5 15.
Bb6 Qd7 16. Nd4 Ng6 17. Rff1 Re8 18. Nxe6 fxe6 19. Bc4 Ne5 20. Bb3 Bd8 21. Kh1
Bxb6 22. axb6 Qd8 23. Qe3 Nfg4 24. Qg1 Qh4 25. Rf4 Qh6 26. g3 Rf8 27. Raf1 g5
28. Rxf8+ Rxf8 29. Rxf8+ Kxf8 30. Qg2 Ke7 31. Nd1 Nf6 32. Qd2 Nxe4 33. Qe3 Ng4
34. Qg1 Qf6 35. c3 Qf3+ 36. Qg2 Ngf2+ 37. Nxf2 Nxf2+ 38. Kg1 Qxg2+ 39. Kxg2 Nd3
40. Bc2 Nxb2 41. Bxh7 Na4 42. Kf3 Nxc3 43. Bd3 a5 44. Kg4 Kf6 45. Ba6 Nd5 46.
Bxb7 Nxb6 47. Be4 a4 48. Kh5 a3 49. Bb1 Nd5 0-1

[Event "Olympiad"]
[Site "Haifa ISR"]
[Date "1976.10.30"]
[Round "5"]
[White "Findlay, David John"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2390"]
[PlyCount "82"]
[EventDate "1976.??.??"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8.
Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 O-O 13. Nc2 Bg5 14. Bd3 g6
15. O-O Kh8 16. a4 bxa4 17. Rxa4 f5 18. Qa1 a5 19. Bb5 Bb7 20. f3 Ne7 21. Bc4
Nxd5 22. Bxd5 Bxd5 23. exd5 Qb6+ 24. Kh1 Qb3 25. Nb4 Be3 26. Ra3 Qc4 27. Nc2
Bb6 28. Rd1 Rab8 29. b3 Qh4 30. Ra4 f4 31. b4 Rf5 32. h3 Rh5 33. Rd2 Qg3 34.
Qf1 Rc8 35. bxa5 Ba7 36. c4 Rb8 37. Rb4 Rxb4 38. Nxb4 e4 39. fxe4 f3 40. Rd3
fxg2+ 41. Qxg2 Rxh3+ 0-1

[Event "Olympiad"]
[Site "Haifa ISR"]
[Date "1976.11.01"]
[Round "7"]
[White "Piasetski, Leon"]
[Black "Taruffi, Daniele"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2390"]
[PlyCount "73"]
[EventDate "1976.??.??"]
[EventCountry "ISR"]

1. c4 Nf6 2. Nf3 e6 3. b3 b6 4. g3 Bb7 5. Bg2 d5 6. O-O Be7 7. Bb2 O-O 8. d3 c5
9. e3 Nc6 10. a3 Qc7 11. Nbd2 a6 12. Qc2 Rfd8 13. Rfd1 b5 14. Rab1 Rd7 15. cxd5
exd5 16. Bh3 Rdd8 17. Bxf6 Bxf6 18. Qxc5 Qa5 19. Qc1 b4 20. axb4 Nxb4 21. d4
Bc8 22. Ra1 Qb6 23. Bxc8 Rdxc8 24. Qb1 Nc2 25. Ra2 Nb4 26. Ra4 Rc7 27. Rc1 Rac8
28. Rxc7 Rxc7 29. Kg2 h5 30. Qf5 g6 31. Rxb4 Qxb4 32. Qxf6 Rc2 33. Ne5 Qf8 34.
Ndf3 Ra2 35. Ng5 Qg7 36. Qd8+ Qf8 37. Qxd5 1-0

[Event "Olympiad"]
[Site "Haifa ISR"]
[Date "1976.11.02"]
[Round "8"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2345"]
[BlackElo "2390"]
[PlyCount "124"]
[EventDate "1976.??.??"]
[EventCountry "ISR"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 Nc6 5. e3 Bd7 6. Rb1 Qc8 7. b4 Ne5 8. Qc2
Nxc4 9. Nge2 c6 10. d3 Nb6 11. a4 Bh3 12. Bxh3 Qxh3 13. a5 Nd7 14. a6 bxa6 15.
Nf4 Qg4 16. Ne4 Ne5 17. d4 Nf3+ 18. Kf1 Rc8 19. Qe2 f5 20. Nc3 Ng5 21. Qxa6 Rc7
22. Qc4 Qf3 23. Rg1 Nf6 24. h4 Nge4 25. Qe2 Qxe2+ 26. Ncxe2 Nd5 27. f3 Nxf4 28.
Nxf4 Nf6 29. Ne6 Rb7 30. Nxg7+ Kf7 31. Nxf5 gxf5 32. Bd2 c5 33. dxc5 dxc5 34.
Ke2 Rbb8 35. Ra1 cxb4 36. Ra5 Ke6 37. Ra6+ Kf7 38. Ra5 Ke6 39. Ra6+ Kf7 40. Ra5
Kg6 41. h5+ Kxh5 42. g4+ Kg6 43. gxf5+ Kf7 44. e4 Rhg8 45. Rxg8 Kxg8 46. Kd3 b3
47. Ra1 Nd7 48. Bc3 b2 49. Rg1+ Kf7 50. Kc2 b1=Q+ 51. Rxb1 Rxb1 52. Kxb1 h5 53.
Kc2 h4 54. Be1 h3 55. Bg3 Kf6 56. Kd3 Kg5 57. Kc4 Nf6 58. Bh2 Nh5 59. Kb5 Nf4
60. Kc6 a5 61. Kd7 a4 62. Kxe7 Nh5 0-1

[Event "Olympiad"]
[Site "Haifa ISR"]
[Date "1976.11.04"]
[Round "10"]
[White "Piasetski, Leon"]
[Black "Nunn, John"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "2390"]
[BlackElo "2435"]
[PlyCount "68"]
[EventDate "1976.??.??"]
[EventCountry "ISR"]

1. c4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. O-O Nc6 6. cxd5 exd5 7. d4 Be7 8. Nc3
O-O 9. h3 Re8 10. Bf4 cxd4 11. Nb5 Nh5 12. Bc7 Qd7 13. Qa4 a6 14. Bb6 Na7 15.
Bxa7 Rxa7 16. Nfxd4 Nxg3 17. fxg3 Bc5 18. Qc2 Qxb5 19. e3 Qc4 20. Qf2 b6 21.
Kh2 h5 22. b3 Qd3 23. Bxd5 Qg6 24. Rad1 h4 25. gxh4 Qd6+ 26. Qg3 Qxd5 27. Nf5
Qxf5 28. Rxf5 Bxf5 29. Rd5 Be4 30. Re5 Rxe5 31. Qxe5 Re7 32. Qb8+ Kh7 33. Qd8
Re6 34. Qg5 Bd6+ 0-1

[Event "Olympiad"]
[Site "Haifa ISR"]
[Date "1976.11.09"]
[Round "13"]
[White "Bronstein, Luis"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2380"]
[BlackElo "2390"]
[PlyCount "78"]
[EventDate "1976.??.??"]
[EventCountry "ISR"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8.
Bg5 a6 9. Na3 b5 10. Nab1 Be7 11. Bxf6 Bxf6 12. a4 b4 13. Nd5 Ne7 14. Bc4 Bb7
15. c3 Rc8 16. Qd3 Nxd5 17. Bxd5 Bxd5 18. Qxd5 Qb6 19. Qb3 Qc6 20. Qxb4 O-O 21.
Nd2 Bg5 22. f3 Rb8 23. Qa3 d5 24. exd5 Bxd2+ 25. Kxd2 Qxd5+ 26. Kc2 Qc6 27.
Rad1 Qg6+ 28. Kc1 Qxg2 29. Kb1 Qxf3 30. Rhe1 Qf4 31. Qd6 Qxh2 32. Rd2 Qf4 33.
Rxe5 Qxa4 34. Red5 Qe4+ 35. Ka2 Qc4+ 36. Kb1 h6 37. Rc5 Qe4+ 38. Qd3 Qe1+ 39.
Rd1 Qf2 0-1

[Event "Karlovac"]
[Site "?"]
[Date "1977.??.??"]
[Round "?"]
[White "Ligterink, Gert"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "63"]
[EventDate "1977.??.??"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. O-O b5 8. Re1
Bc5 9. Nb3 Bd6 10. g3 Bb7 11. Bxb5 h5 12. Bf1 h4 13. Bg2 hxg3 14. hxg3 Nc6 15.
f4 Na5 16. Nxa5 Bc5+ 17. Be3 Qxa5 18. Bf3 d5 19. exd5 Rd8 20. Qe2 Nxd5 21. Nxd5
Bxd5 22. Rad1 Bxf3 23. Qxf3 Bxe3+ 24. Rxe3 Rxd1+ 25. Qxd1 Qb6 26. Qf3 O-O 27.
b3 Rd8 28. Kg2 Rd2+ 29. Re2 Rd1 30. Rf2 Ra1 31. c3 Qd8 32. c4 1/2-1/2

[Event "Karlovac"]
[Site "?"]
[Date "1977.??.??"]
[Round "?"]
[White "Minic, Dragoljub"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2425"]
[BlackElo "2410"]
[PlyCount "107"]
[EventDate "1977.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Nge7 7. Be3 b5 8. a3
Bb7 9. Nb3 Ne5 10. Qd4 N7c6 11. Qd2 d6 12. O-O Be7 13. Qe1 Qc7 14. a4 b4 15.
Na2 Nd7 16. f3 Nc5 17. Nxb4 Nxb3 18. cxb3 Nxb4 19. Qxb4 d5 20. Qd2 dxe4 21.
fxe4 Bd6 22. Bf4 Bxf4 23. Qxf4 Qxf4 24. Rxf4 Rd8 25. Rc1 e5 26. Rf2 f6 27. Rc7
Rd7 28. Rxd7 Kxd7 29. Bg4+ Kc7 30. Rc2+ Kb6 31. Bf3 Rd8 32. a5+ Kxa5 33. Rc7
Kb6 34. Rxg7 Rd3 35. Rxh7 Rxb3 36. h4 Rxb2 37. h5 Rd2 38. Rf7 a5 39. Rxf6+ Kc5
40. Re6 a4 41. Rxe5+ Kb6 42. Bg4 a3 43. Be6 Re2 44. h6 Rxe4 45. Rxe4 Bxe4 46.
Kf2 Kc5 47. Ke3 Bh7 48. Kf4 Kd6 49. Ba2 Bc2 50. g4 Bh7 51. Kg5 Ke5 52. Kh5 Bc2
53. g5 Bd3 54. Bf7 1-0

[Event "Karlovac"]
[Site "?"]
[Date "1977.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Kovacevic, V."]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "2410"]
[BlackElo "2505"]
[PlyCount "46"]
[EventDate "1977.??.??"]

1. c4 f5 2. d4 Nf6 3. Nc3 g6 4. g3 d6 5. Bg2 c6 6. Nh3 Bg7 7. d5 O-O 8. Nf4 Qe8
9. Qb3 e5 10. Ne6 Bxe6 11. Qxb7 Nbd7 12. dxe6 Qxe6 13. Bxc6 Nb6 14. b3 e4 15.
O-O Rf7 16. Qa6 Rc8 17. Bb5 Ng4 18. Bb2 f4 19. c5 Rxc5 20. Na4 Nxh2 21. Nxc5
Qh3 22. Bc4 Ng4 23. Bxf7+ Kh8 0-1

[Event "Lasker mem. A"]
[Site "Montreal CAN"]
[Date "1977.05.29"]
[Round "2"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "0-1"]
[ECO "C73"]
[PlyCount "110"]
[EventDate "1977.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Nc3 Ne7 8.
Be3 Rb8 9. dxe5 fxe5 10. Qd2 Ng6 11. h4 Rxb2 12. h5 Nf4 13. O-O-O Rb7 14. Nxe5
Qf6 15. Nc4 d5 16. exd5 Qxc3 17. Qxc3 Ne2+ 18. Kd2 Nxc3 19. Kxc3 Bb4+ 20. Kd3
cxd5 21. Ne5 O-O 22. Ke2 Re8 23. Nc6 Bd6 24. Rxd5 Rb2 25. Nd4 Rxa2 26. Rb1 a5
27. Kd1 Bg4+ 28. f3 Rxe3 29. fxg4 Bb4 30. Nf3 Kf7 31. Rd7+ Re7 32. Ng5+ Ke8 33.
Rxe7+ Bxe7 34. Ne6 Kd7 35. Nxg7 Ra4 36. Nf5 Bf6 37. Ne3 Re4 38. Rb3 a4 39. Rd3+
Ke6 40. Nd5 Be5 41. g5 c6 42. Nf6 Rd4 43. Kc1 h6 44. Rxd4 Bxd4 45. Kb1 Kf5 46.
Ng8 Kxg5 47. Ne7 c5 48. Nc8 Kxh5 49. Ka2 Kg4 50. Ka3 h5 51. Nd6 Kg3 52. Kxa4
Kxg2 53. Nf5 Kf3 54. Kb5 Kf4 55. Ne7 h4 0-1

[Event "QC-op"]
[Site "Montreal CAN"]
[Date "1977.??.??"]
[Round "9"]
[White "Biyiasas, Peter"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "100"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 Ng6 6. c3 a6 7. Ba4 c4 8. Bc2
Be7 9. b3 d5 10. Qe2 Nf4 11. Qe3 dxe4 12. Qxf4 exf3 13. Qxf3 cxb3 14. axb3 O-O
15. d4 Bd7 16. Qd3 g6 17. Bh6 Re8 18. Nd2 Bf8 19. Bxf8 Rxf8 20. Ne4 Kg7 21. Re3
Ne7 22. Rae1 Nf5 23. Rh3 h5 24. Ng3 Rc8 25. Re5 Rh8 26. c4 Qg5 27. Re1 Qf6 28.
Nxf5+ exf5 29. f4 b5 30. Re5 a5 31. c5 Rhd8 32. Qc3 b4 33. Qc4 Rb8 34. d5 Bb5
35. Qd4 Ra8 36. Rhe3 a4 37. bxa4 Bxa4 38. Bxa4 Rxa4 39. h3 Rda8 40. Rg3 Ra1+
41. Kh2 Rc1 42. Rd3 Raa1 43. d6 Rh1+ 44. Kg3 Raf1 45. Rxf5 h4+ 46. Kg4 gxf5+
47. Kh5 Qxd4 48. Rxd4 Rd1 49. Rxb4 Rc1 50. Rd4 Rhd1 0-1

[Event "Virovitica"]
[Site "?"]
[Date "1977.??.??"]
[Round "?"]
[White "Stean, Michael"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2510"]
[BlackElo "2410"]
[PlyCount "59"]
[EventDate "1977.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 d6 7. f4 Qc7 8. O-O
Nc6 9. Be3 Bd7 10. Kh1 b5 11. a3 Be7 12. Qe1 Rc8 13. Qg3 h5 14. Rae1 h4 15.
Qxg7 Rh7 16. Qg5 Kf8 17. e5 Ng8 18. Qg4 dxe5 19. fxe5 Qxe5 20. Bf3 Rg7 21. Nxc6
Bxc6 22. Qh3 Bxf3 23. Qxf3 h3 24. Qxh3 Qd6 25. Bh6 Nxh6 26. Rxe6 Qd2 27. Rxh6
Rc4 28. Rh8+ Rg8 29. Rxg8+ Kxg8 30. Qf5 1-0

[Event "Alicante"]
[Site "Alicante ESP"]
[Date "1977.01.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Eslon, Jaan"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "71"]
[EventDate "1977.01.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 a6 7. Bd3 c5 8. dxc5
dxc5 9. e5 Nfd7 10. f4 Nc6 11. Nf3 f6 12. e6 Nb6 13. Bxc5 Bxe6 14. Qe2 Bf7 15.
O-O-O Qc7 16. Kb1 Nd7 17. Ba3 Qxf4 18. Be4 Nde5 19. Nd5 Qg4 20. h3 Qg3 21. Bc5
Nxf3 22. Bxf3 e6 23. Bd6 e5 24. Nc7 Rac8 25. Bxf8 Kxf8 26. Bxc6 Rxc7 27. Rd8+
Ke7 28. Qd2 e4 29. Rd7+ Kf8 30. Bxe4 Be6 31. Rd6 Ke7 32. Rxe6+ Kxe6 33. Qd8 Qe5
34. Re1 Rd7 35. Bd5+ Kd6 36. Qb6+ 1-0

[Event "Orense"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "?"]
[White "Gheorghiu, Florin"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "74"]
[EventDate "1977.01.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8.
Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. exf5 Bxf5 13. c3 Bg7 14. Nc2 O-O
15. Nce3 Be6 16. g4 Ne7 17. Bg2 Rc8 18. h4 Nxd5 19. Bxd5 Qf6 20. Qd2 e4 21.
Bxe4 b4 22. cxb4 Qxb2 23. Qxb2 Bxb2 24. Rd1 Bc3+ 25. Kf1 Bxb4 26. Bd5 Rc3 27.
Kg2 Bc5 28. Rhe1 Rb8 29. Rd2 Rb4 30. Bf3 Ra3 31. Nf5 Rf4 32. Bd1 h5 33. Rg1
hxg4 34. Nxd6 Rxa2 35. Rxa2 Bxa2 36. Nc8 Be6 37. Kg3 Rf6 0-1

[Event "Torremolinos"]
[Site "Torremolinos ESP"]
[Date "1977.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Ruiz"]
[Result "1-0"]
[ECO "A54"]
[PlyCount "65"]
[EventDate "1977.02.06"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ESP"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Nbd7 5. Bg5 Be7 6. e3 O-O 7. Qc2 c6 8.
O-O-O Qc7 9. h4 Re8 10. Bd3 Nf8 11. Bxf6 Bxf6 12. Ne4 Bd8 13. dxe5 dxe5 14. Nd6
Re7 15. Ng5 h6 16. Bh7+ Kh8 17. Ndxf7+ Rxf7 18. Nxf7+ Qxf7 19. Rxd8 Bf5 20.
Rxa8 Bxc2 21. Bxc2 Qxf2 22. Bg6 e4 23. Kb1 a5 24. h5 Kg8 25. g4 Qxe3 26. a3
Qd3+ 27. Ka1 Qxc4 28. Re1 e3 29. Re8 b5 30. R8xe3 b4 31. Re8 Qf4 32. Rxf8+ Qxf8
33. Re8 1-0

[Event "Torremolinos"]
[Site "Torremolinos ESP"]
[Date "1977.02.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "71"]
[EventDate "1977.02.06"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ESP"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 b6 4. e4 d6 5. d4 Bg4 6. d5 e6 7. h3 Bxf3 8. Qxf3 e5
9. g4 Be7 10. g5 Nfd7 11. h4 Na6 12. Bd2 Nc7 13. Qg3 a6 14. a4 O-O 15. Bh3 b5
16. a5 Re8 17. b3 Rb8 18. Nd1 Nf8 19. h5 bxc4 20. bxc4 Rb7 21. Ra3 Rb4 22. Rc3
Na8 23. O-O Qxa5 24. f4 Rxc4 25. fxe5 Rxc3 26. Bxc3 Qc7 27. Qf4 Bxg5 28. Qxg5
dxe5 29. h6 Ng6 30. hxg7 Nf4 31. Kh2 Qd6 32. Ne3 Qg6 33. Qxg6 hxg6 34. Ng4 Nh5
35. Bxe5 f6 36. Nxf6+ 1-0

[Event "CAN-op"]
[Site "Fredericton CAN"]
[Date "1977.??.??"]
[Round "2"]
[White "Piasetski, Leon"]
[Black "Brodie, Hugh"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2330"]
[BlackElo "2330"]
[PlyCount "73"]
[EventDate "1977.07.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8.
Bg2 O-O 9. O-O d6 10. Bd2 Be6 11. b3 Qd7 12. Re1 Rfe8 13. Rc1 Rad8 14. Ne4 Bh3
15. Bh1 f6 16. Bc3 Rf8 17. Qc2 Qe6 18. Qb2 Rf7 19. Qa3 Nc8 20. Qa6 Bh6 21. e3
f5 22. Nd2 Nb6 23. Bxc6 d5 24. cxd5 Nxd5 25. Qc4 Rd6 26. Ba1 Bg7 27. Bxg7 Kxg7
28. Nf3 h6 29. Red1 Nb6 30. Rxd6 Qxd6 31. Qd4+ Qf6 32. Qxf6+ Kxf6 33. Nd4 Ke5
34. Be8 Rg7 35. Rc5+ Ke4 36. Bc6+ Kd3 37. Ne6 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "1"]
[White "Harper, Bruce"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "2365"]
[BlackElo "2410"]
[PlyCount "24"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8.
Re1 Ne8 9. h3 Kh8 10. Bd2 d6 11. Bxc6 bxc6 12. c4 c5 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.08.06"]
[Round "2"]
[White "Piasetski, Leon"]
[Black "Nickoloff, Bryon"]
[Result "0-1"]
[ECO "A19"]
[WhiteElo "2410"]
[BlackElo "2280"]
[PlyCount "80"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8.
Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. b3 Ne7 12. Ba3 Nf5 13. Qd2 b5 14. cxb5 Qa5
15. Na4 axb5 16. Qxa5 Rxa5 17. Bb4 Ra8 18. Nc3 Ba6 19. O-O-O Nc6 20. Bc5 b4 21.
Na4 Bxf1 22. Rhxf1 Ra5 23. Rfe1 Nfe7 24. f4 g6 25. Rd2 Rb5 26. g3 Rg8 27. Bf2
Rd5 28. Rc2 Kf7 29. Nb6 Rd3 30. Rc5 Rb8 31. Rc4 Rb7 32. Bg1 Ra7 33. Na4 Ra5 34.
Nc5 Rd5 35. Rc2 Nf5 36. Nxe6 dxe6 37. Rxc6 Rxa2 38. Rc7+ Ne7 39. Kb1 Rda5 40.
Rec1 Ra1+ 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "3"]
[White "Lipnowski, Irwin"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2390"]
[BlackElo "2410"]
[PlyCount "74"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 c5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 e6 5. Nf3 d5 6. cxd5 exd5 7. d4 Be7 8. O-O
O-O 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Bg4 12. Rc1 Re8 13. Nd4 Qd7 14. Nxc6 bxc6
15. Nc5 Bxc5 16. Rxc5 Ne4 17. Rc1 Nd6 18. Re1 Rab8 19. b3 Bf5 20. Qd4 Re7 21.
Bf4 Rc8 22. Bxd6 Qxd6 23. e3 h6 24. Rc5 Rb8 25. Rec1 Rb6 26. R1c3 Reb7 27. Qd2
Bd7 28. Rc1 Rb5 29. Qc3 a5 30. Rxb5 Rxb5 31. Bf1 Rb4 32. a3 Rb7 33. Qxa5 Rxb3
34. Qd8+ Kh7 35. Rd1 Rb8 36. Bd3+ g6 37. Qa5 Rb3 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "4"]
[White "Vranesic, Zvonko"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2395"]
[BlackElo "2410"]
[PlyCount "73"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 Bb4 5. e3 f5 6. Bd3 Nf6 7. O-O O-O 8. Ne1
Bxc3 9. bxc3 d6 10. f3 c5 11. Qe2 Nc6 12. Nc2 Qd7 13. e4 Rae8 14. Bg5 h6 15.
Bxf6 Rxf6 16. Rad1 Qc8 17. f4 fxe4 18. Bxe4 d5 19. cxd5 Nxd4 20. Qd3 Ne2+ 21.
Qxe2 exd5 22. Rxd5 Qa8 23. Qd3 Rxe4 24. Rd8+ Qxd8 25. Qxd8+ Kh7 26. Qd2 Ba6 27.
Rf2 Ree6 28. f5 Rd6 29. Qe1 Rd7 30. Rd2 Rxd2 31. Qxd2 Rxf5 32. Ne3 Rf6 33. h3
Bb7 34. Qd3+ Kg8 35. Ng4 Rf8 36. Qd7 Bc8 37. Qxa7 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Coudari, Camille"]
[Result "0-1"]
[ECO "E84"]
[WhiteElo "2410"]
[BlackElo "2285"]
[PlyCount "80"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2
Rb8 9. Bh6 e5 10. Bxg7 Kxg7 11. O-O-O Re8 12. g4 exd4 13. Nxd4 Be6 14. h4 h5
15. g5 Nd7 16. Nxe6+ fxe6 17. f4 Nf8 18. Rh2 Qd7 19. Rf2 Kh8 20. Be2 Qg7 21. f5
Ne5 22. Rdf1 b5 23. cxb5 axb5 24. Bxb5 Red8 25. Be2 d5 26. fxg6 d4 27. Nd1 Qxg6
28. Rf6 Qxe4 29. g6 Kg7 30. Rf7+ Kg8 31. R7f4 Qd5 32. Kb1 Nfxg6 33. Rg1 Kh7 34.
Rf6 Rf8 35. Rfxg6 Nxg6 36. Bd3 Rf6 37. Rg5 Qf3 38. Be2 Qf4 39. Rxh5+ Kg7 40.
Qd3 Rh8 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "6"]
[White "Jauregui, Carlos"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2365"]
[BlackElo "2410"]
[PlyCount "84"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 b6 2. Nf3 Bb7 3. g3 c5 4. Bg2 g6 5. O-O Bg7 6. Nc3 Nf6 7. d3 O-O 8. e4
Nc6 9. Nh4 Ne8 10. Bg5 a6 11. Qd2 Rb8 12. Rab1 b5 13. Nd5 Nc7 14. Rfe1 Ne6 15.
Bh6 d6 16. Bxg7 Kxg7 17. f4 Ned4 18. e5 bxc4 19. dxc4 g5 20. fxg5 Nxe5 21. b3
Kh8 22. Rf1 Rg8 23. Rbe1 Bxd5 24. cxd5 Rg7 25. Nf5 Nxf5 26. Rxf5 Qb6 27. Kh1
Qb4 28. Qe2 Rbg8 29. Ref1 Rxg5 30. Rxg5 Rxg5 31. Qxa6 Qd4 32. Qe2 Rg8 33. Be4
Rg4 34. Bg2 Kg7 35. Qf2 Qxf2 36. Rxf2 Rd4 37. Rf1 Rd2 38. Ra1 Rb2 39. Bf1 Nf3
40. Bg2 Nd4 41. Re1 Kf8 42. Be4 Rxa2 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "7"]
[White "Piasetski, Leon"]
[Black "Spraggett, Kevin"]
[Result "0-1"]
[ECO "A54"]
[WhiteElo "2410"]
[BlackElo "2450"]
[PlyCount "80"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 e5 2. Nc3 d6 3. d4 Nf6 4. Nf3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Qc2
c6 9. O-O-O Qa5 10. Kb1 Re8 11. Rg1 Nb6 12. dxe5 dxe5 13. Nd2 Nbd7 14. Be2 Nf8
15. Bxf6 Bxf6 16. Nce4 Be7 17. g4 Ne6 18. h4 Bxh4 19. Nf3 Bg5 20. Rh1 Be7 21.
Rh5 f6 22. Nh4 Rd8 23. Rh1 Nf8 24. Nf5 Bxf5 25. gxf5 Rd7 26. c5 Rad8 27. a3 Kh8
28. Qb3 Nh7 29. Rc1 Qc7 30. Rh4 Ng5 31. Nxg5 fxg5 32. Rhc4 Rd2 33. R1c2 Qd7 34.
e4 Rd4 35. Ka2 Bf6 36. f3 Kh7 37. R4c3 g6 38. Bc4 gxf5 39. Be6 Qe7 40. Bxf5+
Kg7 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "8"]
[White "Biyiasas, Peter"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2450"]
[BlackElo "2410"]
[PlyCount "69"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. e4 e6 2. d3 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. c3 Be7 6. g3 a5 7. e5 Nd7 8. d4 f6
9. Qe2 fxe5 10. Nxe5 Ndxe5 11. dxe5 O-O 12. f4 Bc5 13. Nb3 Ba7 14. Be3 Bxe3 15.
Qxe3 a4 16. Nd4 Ne7 17. Bh3 Ra6 18. O-O Rb6 19. Rf2 c5 20. Nf3 Qc7 21. Raf1 Bd7
22. a3 h6 23. Kh1 Be8 24. Nh4 Nf5 25. Nxf5 exf5 26. Bg2 Bf7 27. Rd1 Rd8 28.
Rfd2 d4 29. cxd4 cxd4 30. Rxd4 Rxd4 31. Qxd4 Qc2 32. Rd2 Qc1+ 33. Rd1 Qc2 34.
Rd2 Qc1+ 35. Rd1 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "9"]
[White "Piasetski, Leon"]
[Black "Rohland, Michael"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2410"]
[BlackElo "2200"]
[PlyCount "57"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d6 8. e4
Nbd7 9. d4 cxd4 10. Nxd4 a6 11. e5 dxe5 12. Bxb7 Ra7 13. Nc6 Qc7 14. Nxa7 Qxb7
15. Nab5 axb5 16. Nxb5 O-O 17. Bg5 e4 18. Bxf6 Nxf6 19. a3 Rd8 20. Qe2 Rd3 21.
Rad1 Qd7 22. Rxd3 exd3 23. Qd2 e5 24. Rxe5 Bc5 25. b4 Bxf2+ 26. Qxf2 d2 27. Nc3
d1=Q+ 28. Nxd1 Qxd1+ 29. Re1 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "10"]
[White "Hebert, Jean"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2255"]
[BlackElo "2410"]
[PlyCount "116"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 b5 6. a4 b4 7. Nd5 a5 8. c3 Bb7
9. cxb4 e6 10. Nf4 Bxe4 11. bxa5 Ne7 12. h4 h6 13. Rc1 Nf5 14. b4 O-O 15. Bd3
Bxd3 16. Qxd3 Nd7 17. Nge2 Nxe3 18. fxe3 c5 19. dxc5 dxc5 20. O-O cxb4 21. Rfd1
Ne5 22. Qxd8 Rfxd8 23. Rxd8+ Rxd8 24. Nd4 Ra8 25. Nb3 Ng4 26. Rc4 Rd8 27. Rc1
Nxe3 28. a6 Bc3 29. Kf2 Ng4+ 30. Ke2 Ra8 31. Nc5 Ne5 32. Nfd3 Nc6 33. Rb1 Kg7
34. g4 Nb8 35. Nxb4 Bxb4 36. Rxb4 Nxa6 37. Nxa6 Rxa6 38. Kd3 Ra5 39. Kc4 Re5
40. Kc3 Re3+ 41. Kb2 Re5 42. Rc4 g5 43. h5 f5 44. Rc7+ Kf6 45. gxf5 exf5 46.
Rh7 f4 47. Rxh6+ Kg7 48. Rg6+ Kf7 49. Rc6 Rf5 50. Rc7+ Kg8 51. a5 f3 52. a6 Rf8
53. a7 f2 54. Rc1 g4 55. Rf1 g3 56. Kc3 Rc8+ 57. Kd2 g2 58. Rc1 Rd8+ 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "11"]
[White "Piasetski, Leon"]
[Black "Krotki, Jan"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2410"]
[BlackElo "2200"]
[PlyCount "82"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 d4 6. exf6 dxc3 7. Qe2+ Be6 8.
dxc3 Qxf6 9. Nf3 Bc5 10. Ng5 O-O 11. Nxe6 fxe6 12. Be3 Nd7 13. O-O-O Rad8 14.
Bxc5 Nxc5 15. Rxd8 Rxd8 16. Qe3 Qf5 17. Be2 Nd3+ 18. Bxd3 Rxd3 19. Qxa7 Qg5+
20. Kb1 Qf5 21. Ka1 Qd5 22. Rb1 Rd1 23. Qb8+ Qd8 24. Qxd8+ Rxd8 25. a3 Rd2 26.
Rf1 c5 27. a4 c4 28. Ka2 Kf7 29. Ka3 Ke7 30. h4 Kd6 31. g3 Kd5 32. f4 Rg2 33.
Rd1+ Kc6 34. Rd4 b5 35. Re4 Rxg3 36. Rxe6+ Kd7 37. Re4 bxa4 38. Rxc4 Rg4 39.
Rxa4 Rxh4 40. Ra7+ Ke6 41. Rxg7 h5 1-0

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "12"]
[White "South, Robert"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2200"]
[BlackElo "2410"]
[PlyCount "102"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 c6 5. Be3 Qb6 6. Rb1 Nf6 7. Nf3 e5 8. fxe5
Ng4 9. Bg1 dxe5 10. h3 Nh6 11. dxe5 Qb4 12. a3 Qe7 13. Be3 Be6 14. Qd2 Ng8 15.
Bd3 h6 16. Ne2 Nd7 17. Qa5 Qd8 18. Qc3 Qc7 19. O-O Ne7 20. Nf4 Nxe5 21. Nxe6
fxe6 22. Bd4 Nxf3+ 23. Rxf3 Bxd4+ 24. Qxd4 e5 25. Qc4 O-O-O 26. Qe6+ Kb8 27.
Rf7 Rhe8 28. Rbf1 Qb6+ 29. Kh2 Nd5 30. Qxg6 Nf4 31. Qxh6 Qxb2 32. R1xf4 exf4
33. Qxf4+ Ka8 34. a4 a6 35. Qc7 Rc8 36. Qa5 Re5 37. Qd2 Qb6 38. Qf4 Qc5 39. Rf5
Rce8 40. g4 Qd4 41. Rxe5 Rxe5 42. g5 c5 43. Qf6 c4 44. g6 cxd3 45. cxd3 Qb2+
46. Kg3 Qc3 47. Qf8+ Ka7 48. Kf4 Rc5 49. h4 Qd2+ 50. Kg3 Qxd3+ 51. Qf3 Qd6+ 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "13"]
[White "Piasetski, Leon"]
[Black "Berry, Jonathan"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2410"]
[BlackElo "2320"]
[PlyCount "82"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. c4 e6 2. Nc3 d5 3. d4 c5 4. e3 Nf6 5. Nf3 Nc6 6. cxd5 exd5 7. Be2 cxd4 8.
Nxd4 Bd6 9. O-O O-O 10. Nxc6 bxc6 11. b3 Qc7 12. g3 Bh3 13. Re1 Rad8 14. Bb2
Rfe8 15. Rc1 Qd7 16. Bf3 Qf5 17. Bh1 Ng4 18. Qf3 Ne5 19. Qxf5 Bxf5 20. Red1 Nd3
21. Rc2 Nxb2 22. Rxb2 Be5 23. Rc1 c5 24. Rd2 d4 25. Nd5 Rc8 26. Bf3 Kf8 27. Kg2
Red8 28. exd4 cxd4 29. Rxc8 Rxc8 30. Nb4 Rc7 31. h4 h6 32. Nc6 Bf6 33. Nb4 Rd7
34. Nd3 Ke7 35. Nc5 Rc7 36. Re2+ Kd6 37. Ne4+ Bxe4 38. Bxe4 Rc3 39. Rd2 Kc5 40.
Bd3 Kb4 41. Kf3 Rc1 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "14"]
[White "Day, Lawrence"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2350"]
[BlackElo "2410"]
[PlyCount "90"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 a6 5. Nf3 c6 6. Bf4 Bg4 7. d5 Bxf3 8. gxf3
Nd7 9. Rc1 Ngf6 10. h4 O-O 11. Qd2 Nh5 12. Be3 cxd5 13. cxd5 Rc8 14. Bh3 Rc7
15. f4 b5 16. Rd1 Qb8 17. Ne2 Qb7 18. Rg1 Rc4 19. f3 Rfc8 20. Bd4 Rc2 21. Qe3
Bxd4 22. Nxd4 Rxb2 23. f5 Ndf6 24. fxg6 hxg6 25. Bxc8 Qxc8 26. Rc1 Qh3 27. Nf5
Ng4 28. Rxg4 Nf4 29. Rg1 Qh2 30. Kd1 Kh7 31. Nd4 Nd3 32. Ne2 Rxe2 33. Qxd3
Qxg1+ 34. Kxe2 Qxc1 35. h5 Qc4 36. hxg6+ Kxg6 37. Qxc4 bxc4 38. f4 Kh5 39. Ke3
Kg4 40. f5 f6 41. a4 a5 42. Kd4 Kf4 43. Kxc4 Kxe4 44. Kb5 Kxd5 45. Kxa5 Kc5 0-1

[Event "CAN-ch"]
[Site "Toronto CAN"]
[Date "1978.??.??"]
[Round "15"]
[White "Piasetski, Leon"]
[Black "Kirton, Neil"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2410"]
[BlackElo "2200"]
[PlyCount "97"]
[EventDate "1978.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CAN"]

1. g3 Nf6 2. Bg2 d5 3. d3 c6 4. Nd2 h6 5. e4 e5 6. Ngf3 Bd6 7. O-O O-O 8. h3
Be6 9. Nh4 Qd7 10. Kh2 g5 11. Nhf3 Nh7 12. d4 f6 13. Qe1 Qg7 14. dxe5 fxe5 15.
exd5 cxd5 16. Nd4 Qd7 17. Nxe6 Qxe6 18. c4 Nf6 19. cxd5 Nxd5 20. Qe4 Nb6 21.
Qxb7 Rf7 22. Qe4 N8d7 23. Qe2 Rc8 24. Ne4 Bc5 25. Nxc5 Nxc5 26. Be3 Rfc7 27.
Rfc1 Qe7 28. Qh5 Kg7 29. h4 Ne6 30. Rxc7 Rxc7 31. hxg5 Nxg5 32. Bxg5 Qxg5 33.
Qe2 Nd7 34. Re1 Nf6 35. Kg1 Re7 36. Qe3 e4 37. Qxg5+ hxg5 38. Re3 Rb7 39. b3
Rb4 40. Rc3 Rb7 41. Rc5 Kg6 42. Re5 Rb4 43. Kf1 Kh6 44. Ke2 Rd4 45. Re6 Kg6 46.
Ra6 Rd7 47. Bxe4+ Kf7 48. Bd3 Ke7 49. Bc4 1-0

[Event "England"]
[Site "?"]
[Date "1978.??.??"]
[Round "?"]
[White "Nunn, John"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "73"]
[EventDate "1978.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. Bd3 Be6 13. Qh5 O-O 14. exf5 Bxd5
15. f6 e4 16. fxg7 Re8 17. Be2 Re5 18. Qh6 Rg5 19. Nc2 Ne5 20. Ne3 Bc4 21. Bxc4
bxc4 22. O-O Rb8 23. b3 Rb5 24. Kh1 Ng6 25. Nxc4 Rh5 26. Qe3 Rbg5 27. f4 Rg4
28. g3 Rh3 29. Qxe4 Rgxg3 30. f5 Nh4 31. Rf2 d5 32. Rd1 Nf3 33. Qf4 Qg5 34.
Rxf3 Qxf4 35. Rxf4 dxc4 36. f6 Rd3 37. Rxd3 1-0

[Event "Subotica (Yugoslavia)"]
[Site "?"]
[Date "1978.??.??"]
[Round "?"]
[White "Honfi, Karolyne"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "53"]
[EventDate "1978.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra4 13. Nbc7+ Kd7 14. O-O
Rxe4 15. Qh5 Ne7 16. Qxf7 Kc6 17. c4 Rg8 18. Rfc1 Rg7 19. Ne6 Bxe6 20. Qxe6
Reg4 21. g3 R4g5 22. Nb4+ Kb7 23. c5 R5g6 24. c6+ Ka8 25. Qb3 Qb6 26. c7 Kb7
27. Qd5+ 1-0

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.10.26"]
[Round "2"]
[White "Suba, Mihai"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2430"]
[BlackElo "2410"]
[PlyCount "140"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. c4 b6 2. d4 e6 3. e4 Bb7 4. f3 Bb4+ 5. Kf2 Be7 6. Nc3 Nc6 7. Be3 e5 8. d5
Nb8 9. Nh3 Nf6 10. f4 exf4 11. Nxf4 d6 12. Be2 O-O 13. Rf1 Re8 14. Kg1 Bf8 15.
Bf3 Nbd7 16. Nd3 Nc5 17. Nxc5 bxc5 18. Qd2 Nd7 19. Rf2 g6 20. Raf1 Bg7 21. Be2
Ne5 22. Nd1 a5 23. Bg5 Qb8 24. Bf6 Bxf6 25. Rxf6 Re7 26. Qg5 Qf8 27. Ne3 Bc8
28. h4 h6 29. Qg3 Qg7 30. h5 g5 31. R6f2 Bd7 32. Bd1 Rae8 33. Bc2 Rb8 34. b3
Ree8 35. Rf6 Ra8 36. Qe1 Reb8 37. Kh1 Re8 38. a3 Reb8 39. Qc3 Rb7 40. R6f2 Rb6
41. g4 Rbb8 42. Rg2 a4 43. b4 cxb4 44. axb4 a3 45. Bb3 a2 46. Bxa2 Nxg4 47.
Qxg7+ Kxg7 48. Nxg4 Bxg4 49. Rxg4 Rxa2 50. Rg3 Re2 51. Rgf3 Rf8 52. c5 Rxe4 53.
cxd6 cxd6 54. Rf6 Rxb4 55. Rxd6 Rh4+ 56. Kg2 Rxh5 57. Rdf6 Rh4 58. d6 Ra4 59.
Kg3 Ra7 60. R6f3 Rd7 61. Rd3 Rfd8 62. Rfd1 f5 63. Kf3 h5 64. Kg3 Kf6 65. R3d2
Rc8 66. Rd5 h4+ 67. Kh3 Rc2 68. Rf1 g4+ 69. Kxh4 Rh7+ 70. Kg3 Rh3+ 0-1

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.10.28"]
[Round "4"]
[White "Bleiman, Yaacov"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2440"]
[BlackElo "2410"]
[PlyCount "61"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. d4 e6 2. Nf3 c5 3. g3 Qa5+ 4. Nc3 Nc6 5. Bg2 d5 6. O-O Nf6 7. dxc5 Bxc5 8.
Nd2 Be7 9. Nb3 Qd8 10. e4 dxe4 11. Qxd8+ Kxd8 12. Nxe4 Nxe4 13. Bxe4 Kc7 14.
Be3 Bd7 15. Rfd1 Rhd8 16. Nd4 Nxd4 17. Rxd4 e5 18. Rc4+ Bc6 19. b4 a6 20. a4 g6
21. Rb1 Kd7 22. Rd1+ Kc7 23. Re1 Kd7 24. Bxc6+ bxc6 25. Bb6 Rdb8 26. a5 Bd6 27.
g4 Re8 28. g5 Re6 29. c3 h6 30. gxh6 Rh8 31. Bc5 1/2-1/2

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.10.30"]
[Round "5"]
[White "Piasetski, Leon"]
[Black "Jamieson, Peter"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2410"]
[BlackElo "2310"]
[PlyCount "65"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5
9. Nge2 f5 10. exf5 gxf5 11. Qd2 Na6 12. O-O-O Bd7 13. f4 e4 14. Bb1 Nf6 15. h3
Rb8 16. g4 b5 17. cxb5 Bxb5 18. Ng3 Bd7 19. Rdg1 Qa5 20. gxf5 Nb4 21. Ngxe4
Nbxd5 22. Nxd5 Qxd2+ 23. Bxd2 Nxd5 24. f6 Nxf6 25. Bc3 Kh8 26. Rxg7 Kxg7 27.
Rg1+ Kf7 28. Nxf6 Bc6 29. Nxh7 Rg8 30. Ng5+ Ke7 31. f5 Rbf8 32. f6+ Kd7 33. Bh7
1-0

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.10.31"]
[Round "6"]
[White "Piasetski, Leon"]
[Black "Fedder, Steen"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2410"]
[BlackElo "2400"]
[PlyCount "80"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bf4 O-O 6. Qc2 dxc4 7. e4 c5 8. Rd1
cxd4 9. Nxd4 Qa5 10. Bxc4 e5 11. Nb3 Qb4 12. Bb5 Bg4 13. f3 Rc8 14. Bxe5 Qxb5
15. Nxb5 Rxc2 16. Nc7 Rxc7 17. Bxc7 Be6 18. Bd6 Kf8 19. Nc5 Bxd6 20. Nxe6+ fxe6
21. Rxd6 Ke7 22. Rd3 e5 23. Rb3 b6 24. Rc3 Nbd7 25. Ke2 a5 26. Rc6 Ne8 27. Rd1
Ra7 28. Ke3 Nc7 29. g3 Ne6 30. f4 Rb7 31. Rc8 Nf6 32. h3 Nc5 33. fxe5 Nfxe4 34.
g4 Ng5 35. h4 Nf7 36. Kf4 g6 37. Rc6 Nd7 38. Rc2 Nc5 39. g5 Rc7 40. Kg3 Ne4+
0-1

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.11.01"]
[Round "7"]
[White "Alvarez, Franklin"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2410"]
[PlyCount "108"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 O-O 14. Nce3
Be6 15. g4 Ne7 16. Bg2 Rc8 17. Be4 Nxd5 18. Nxd5 Kh8 19. Qf3 a5 20. h4 b4 21.
Rd1 bxc3 22. bxc3 Rc4 23. Qd3 Rc5 24. f3 Qb8 25. Rb1 Qa7 26. g5 Rg8 27. Nf6
Bxf6 28. Rb7 Qxb7 29. Bxb7 e4 30. Bxe4 Bxc3+ 31. Kf2 Be5 32. f4 Bxf4 33. Qf3
Be5 34. Bxh7 Rb8 35. Bd3 Rb2+ 36. Ke3 Rc3 37. h5 d5 38. g6 f5 39. Rh4 Rxa2 40.
h6 Rxd3+ 41. Kxd3 Ra3+ 42. Ke2 Rxf3 43. Kxf3 d4 44. Rh3 a4 45. Kf2 Bf6 46. Rh1
d3 47. Ke3 a3 48. Rb1 Bg5+ 49. Kxd3 Bxh6 50. Rb8+ Kg7 51. Ra8 a2 52. Ra6 Bg5
53. Ra7+ Kxg6 54. Ra6 Bf6 0-1

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.11.03"]
[Round "9"]
[White "Nunn, John"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2440"]
[BlackElo "2410"]
[PlyCount "75"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a5 8. O-O
a4 9. Nbd2 Nb6 10. c3 O-O 11. Re1 Bd7 12. Bd3 Na7 13. Nf1 Bb5 14. Bb1 Nd7 15.
Qc2 g6 16. Bh6 Re8 17. Qd2 c5 18. Qf4 Nc6 19. Ng5 Rf8 20. h4 cxd4 21. Bxf8 Bxg5
22. hxg5 Qxf8 23. Nh2 a3 24. b3 dxc3 25. Ng4 Rd8 26. Rc1 d4 27. Be4 Nb4 28. g3
Qe7 29. Kg2 Nc5 30. Nf6+ Kg7 31. Rh1 h5 32. Rxh5 gxh5 33. Nxh5+ Kf8 34. g6 Nxe4
35. g7+ Kg8 36. Nf6+ Nxf6 37. exf6 Nd5 38. Qh6 1-0

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.11.06"]
[Round "11"]
[White "Gamarra Caceres, Carlos"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2280"]
[BlackElo "2410"]
[PlyCount "36"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Bd7 5. d4 Qb6 6. Be2 Bb5 7. c4 Bxc4 8. Bxc4
dxc4 9. d5 Ne7 10. dxe6 Qxe6 11. O-O Nbc6 12. Nbd2 Ng6 13. Ng5 Qd5 14. Qa4
Ngxe5 15. f4 Qd4+ 16. Kh1 Nd3 17. Nxc4 b5 18. Qxb5 Nf2+ 0-1

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.11.07"]
[Round "12"]
[White "Piasetski, Leon"]
[Black "Roos, Louis"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2410"]
[PlyCount "81"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 d6 8.
Nxf6+ Qxf6 9. Qxf6 gxf6 10. a3 Ba5 11. b3 Ne7 12. Bb2 c6 13. Be2 Kf8 14. O-O
Ng6 15. Rfd1 Bd8 16. d4 e4 17. Nd2 d5 18. Nb1 a6 19. Nc3 Be6 20. a4 f5 21. g3
Kg7 22. Ba3 Bc7 23. Rdc1 Rac8 24. Rc2 Bb8 25. Rac1 Rcd8 26. Bb4 Rg8 27. Ba5 Rd7
28. cxd5 cxd5 29. Na2 f4 30. gxf4 Kf6 31. Kh1 Re7 32. Nc3 Ree8 33. f3 Nxf4 34.
exf4 Bxf4 35. Rd1 e3 36. Bd3 Rg5 37. Ne2 Bb8 38. Bc7 Bh3 39. Nf4 e2 40. Re1 Bf1
41. h4 1-0

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.11.08"]
[Round "13"]
[White "Piasetski, Leon"]
[Black "Vaganian, Rafael"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2410"]
[BlackElo "2555"]
[PlyCount "133"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 d5 5. cxd5 Nxd5 6. Nxd5 exd5 7. d4 Nc6 8.
Bg2 Be7 9. O-O O-O 10. dxc5 Bxc5 11. Qd3 h6 12. Bd2 d4 13. Rac1 Qe7 14. Rfe1
Rd8 15. Nh4 Bb6 16. a3 Qf6 17. Qf3 Qe6 18. Qe4 g5 19. Qxe6 Bxe6 20. Nf3 Bb3 21.
Bb4 Nxb4 22. axb4 Bd5 23. Ne5 Bxg2 24. Kxg2 Rd5 25. Nd3 Re8 26. Rc2 h5 27. Rec1
Kg7 28. Kf1 Rdd8 29. Rc4 Kf6 30. Rd1 Rd5 31. Rdc1 Ke6 32. Rc8 Rxc8 33. Rxc8 Rd8
34. Rc1 f6 35. Ke1 Kd5 36. Kd2 Re8 37. h3 Rh8 38. Nc5 Rh7 39. Kd3 Rc7 40. Nb3
Rxc1 41. Nxc1 a6 42. Nb3 Ba7 43. Na1 f5 44. Nc2 Bb6 45. Ne1 Bd8 46. Nf3 Bf6 47.
g4 fxg4 48. hxg4 h4 49. Ng1 b5 50. Nh3 Ke5 51. e3 dxe3 52. Kxe3 Be7 53. b3 Kf6
54. f4 gxf4+ 55. Nxf4 Kg5 56. Kf3 Bxb4 57. Ne6+ Kf6 58. Nc7 Bd6 59. Nxa6 h3 60.
b4 Kf7 61. g5 Ke6 62. g6 Kf6 63. Nc5 Kxg6 64. Nb3 Be5 65. Na5 Bc7 66. Nc6 Bb6
67. Ne7+ 1/2-1/2

[Event "Olympiad"]
[Site "Buenos Aires ARG"]
[Date "1978.11.10"]
[Round "14"]
[White "Pytel, Krzysztof"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2390"]
[BlackElo "2410"]
[PlyCount "92"]
[EventDate "1978.10.25"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "ARG"]

1. c4 b6 2. d4 e6 3. e4 Bb7 4. f3 e5 5. d5 Bc5 6. Nc3 a5 7. Nge2 Na6 8. g3 Ne7
9. Bh3 O-O 10. Na4 Bb4+ 11. Nec3 Nc8 12. a3 Be7 13. O-O Nc5 14. Be3 Ba6 15. b3
Nxa4 16. Nxa4 b5 17. cxb5 Bxb5 18. Rf2 Bxa4 19. bxa4 Bd6 20. f4 Nb6 21. fxe5
Bxe5 22. Rc1 d6 23. Qb3 Rb8 24. Qb5 Bf6 25. Rfc2 Bg5 26. Bf4 Bxf4 27. gxf4 Qf6
28. Rf2 Qd4 29. Qxa5 Nxa4 30. Qd2 Qxe4 31. Rxc7 Nc5 32. Bg2 Rb1+ 33. Rf1 Rxf1+
34. Kxf1 Qb1+ 35. Kf2 Ne4+ 36. Bxe4 Qb6+ 37. Qe3 Qxc7 38. Qh3 g6 39. f5 Qe7 40.
Qf3 Qh4+ 41. Kg2 Rb8 42. Bc2 Qg5+ 43. Kh3 Re8 44. Be4 h5 45. fxg6 fxg6 46. a4
Qg4+ 0-1

[Event "Match"]
[Site "Montreal CAN"]
[Date "1979.??.??"]
[Round "?"]
[White "Hebert, Jean"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "112"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "CAN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. cxd5
exd5 9. Bf4 Bd6 10. Ne5 O-O 11. Nc3 c6 12. O-O-O Bb4 13. Na4 Bb7 14. Kb1 Qe8
15. Nd3 Be7 16. f3 c5 17. dxc5 Bc6 18. Nxb6 axb6 19. cxb6 Ba4 20. b3 Bd7 21. e4
Nc6 22. Qf2 dxe4 23. fxe4 Nb4 24. b7 Rb8 25. Nxb4 Bxb4 26. Bxb8 Qxb8 27. Qb6
Be7 28. Rc1 Ne8 29. Rhd1 Be6 30. Rc6 Bf6 31. Rxe6 fxe6 32. Qxe6+ Kh8 33. e5
Bxe5 34. Qc8 Nd6 35. Qxb8 Rxb8 36. a4 Kg8 37. Rd5 Rxb7 38. Rxe5 Rxb3+ 39. Kc2
Ra3 40. Bd5+ Kf8 41. Bb3 Ra1 42. Kb2 Rxa4 43. Rh5 Re4 44. Rxh7 Re2+ 45. Kc1 Nf5
46. g4 Nd4 47. Rh8+ Ke7 48. Bd1 Rg2 49. h4 Ne6 50. g5 Rh2 51. Ba4 Nf4 52. Kd1
Ng6 53. Rg8 Rxh4 54. Bc2 Ne5 55. Rxg7+ Kf8 56. Rc7 Rg4 1/2-1/2

[Event "Match"]
[Site "Montreal CAN"]
[Date "1979.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Hebert, Jean"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "78"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "CAN"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. e3 d6 6. Nge2 Bg7 7. O-O O-O 8. h3
Bd7 9. b3 a6 10. Bb2 Rb8 11. d3 b5 12. Qd2 e6 13. Rad1 Qc7 14. Qc1 Rfe8 15. Rd2
Nb4 16. f4 d5 17. Nd1 bxc4 18. Be5 Qd8 19. dxc4 Rc8 20. Nf2 Nc6 21. Bb2 Ne7 22.
g4 Bc6 23. Qa1 d4 24. exd4 Bxg2 25. Kxg2 Qd6 26. Qb1 Nc6 27. g5 Nh5 28. Ne4 Qe7
29. dxc5 e5 30. f5 gxf5 31. Rxf5 Nd4 32. Bxd4 exd4 33. Nd6 Qd7 34. Nxc8 Qxc8
35. Qf1 Re3 36. Rf3 Qc6 37. Nxd4 Qe4 38. Ne2 Bc3 39. Nxc3 Rxc3 1-0

[Event "Match"]
[Site "Montreal CAN"]
[Date "1979.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Hebert, Jean"]
[Result "1/2-1/2"]
[ECO "D85"]
[PlyCount "108"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "CAN"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e4 Bg7 8.
Be2 O-O 9. O-O Qc7 10. Be3 Nd7 11. Qd3 b6 12. e5 Bb7 13. Bf4 Qc6 14. Qe3 Rac8
15. a4 c4 16. Rfb1 a6 17. Ne1 Qe6 18. Rb4 Bd5 19. h3 Qc6 20. Bg4 e6 21. Rab1
Rb8 22. h4 Rb7 23. Bh6 f6 24. Bxg7 Kxg7 25. exf6+ Nxf6 26. Be2 Kg8 27. Nf3 a5
28. Ne5 Qe8 29. Rb5 Rc7 30. Qh6 Ne4 31. Qe3 Nf6 32. Rxb6 Qxa4 33. Rb8 Nd7 34.
Nxd7 Qxd7 35. Rxf8+ Kxf8 36. Qh6+ Kg8 37. h5 Rb7 38. Rxb7 Qxb7 39. hxg6 Qb1+
40. Kh2 Qxg6 41. Qxg6+ hxg6 42. Bd1 Be4 43. Kg3 Kf7 44. f3 Bc6 45. Bc2 a4 46.
Bb1 a3 47. Ba2 Kf6 48. Kf4 Bb5 49. Ke3 g5 50. Kf2 Bc6 51. Kg3 Bd5 52. Kg4 Bb7
53. Kg3 Bd5 54. Kg4 Bb7 1/2-1/2

[Event "Match"]
[Site "Montreal CAN"]
[Date "1979.??.??"]
[Round "1"]
[White "Hebert, Jean"]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "65"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be2 c6 5. Be3 b5 6. Qd2 Nd7 7. h4 Nb6 8. h5 Qc7
9. h6 Bf8 10. a4 b4 11. Nd1 a5 12. c4 c5 13. d5 Nf6 14. f3 e6 15. Bg5 Nbd7 16.
Nf2 e5 17. f4 exf4 18. Qxf4 Ng8 19. Qd2 Ne5 20. Nf3 f6 21. Nxe5 dxe5 22. Be3
Bd6 23. O-O Bd7 24. Bg4 f5 25. exf5 gxf5 26. Bg5 fxg4 27. Ne4 Ra6 28. Qf2 Be7
29. Qf7+ Kd8 30. d6 Qc6 31. Qf8+ Be8 32. dxe7+ Kc8 33. Rad1 1-0

[Event "Match"]
[Site "Montreal CAN"]
[Date "1979.??.??"]
[Round "5"]
[White "Hebert, Jean"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "94"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "CAN"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. O-O Nbd7 8.
Ng5 Bxe2 9. Qxe2 Be7 10. Bd2 Qf5 11. Nb5 O-O 12. c4 a6 13. Nc3 Rfe8 14. Rfe1
Rad8 15. Nf3 Nb8 16. a3 Nc6 17. Be3 Ne4 18. c5 Bf6 19. Qc4 Nxc3 20. bxc3 e5 21.
Qb3 exd4 22. cxd4 Rb8 23. Rad1 h6 24. d5 Ne5 25. Nxe5 Rxe5 26. a4 Ree8 27. d6
cxd6 28. cxd6 Qd7 29. Bf4 b5 30. a5 b4 31. Rxe8+ Rxe8 32. Qxb4 Bd8 33. h3 Re6
34. Rc1 Kh7 35. Qc5 Rg6 36. Kh2 Rf6 37. Bg3 Rf5 38. Qc8 Qxc8 39. Rxc8 Bxa5 40.
Ra8 Rd5 41. Rxa6 Bb4 42. h4 f6 43. Rb6 Ba3 44. Kh3 h5 45. Rb7 Kg6 46. d7 Be7
47. f3 Kf7 1/2-1/2

[Event "Match"]
[Site "Montreal CAN"]
[Date "1979.??.??"]
[Round "6"]
[White "Piasetski, Leon"]
[Black "Hebert, Jean"]
[Result "1/2-1/2"]
[ECO "A09"]
[PlyCount "54"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "CAN"]

1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. Nxd4 Nxd4 5. exd4 Qxd4 6. Nc3 c6 7. d3 Bf5 8.
Be3 Qd7 9. d4 Nf6 10. Be2 e6 11. O-O Bd6 12. h3 Bc7 13. Qd2 Qd6 14. f4 Ba5 15.
Nb5 cxb5 16. Qxa5 bxc4 17. Qb5+ Qd7 18. Bxc4 a6 19. Qxd7+ Kxd7 20. g4 Be4 21.
f5 exf5 22. g5 Rac8 23.