[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.24"]
[Round "1"]
[White "Danenhower, Peter"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "A63"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 d6 7. Bg2
e6 8. O-O exd5 9. cxd5 Nbd7 10. Nd2 Ne8 11. e4 Ne5 12. h3 f5 13.
Kh2 f4 14. Nf3 g5 15. Qe2 Kh8 16. Bd2 a6 17. a4 b6 18. Nd1 Ra7 19.
Bc3 g4 20. Nxe5 Bxe5 21. hxg4 Qg5 22. Bxe5+ dxe5 23. Bf3 Nf6 24.
Kg2 Nxg4 25. Rh1 Rg7 26. Ra3 fxg3 27. fxg3 Ne3+ 28. Qxe3 Qxg3+ 29.
Kf1 Bg4 30. Qf2 Rxf3 31. Rxf3 Qxf3 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.24"]
[Round "1"]
[White "McLaren, Brian"]
[Black "Ree, Hans"]
[Result "0-1"]
[ECO "B25"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3
Nge7 8. O-O O-O 9. Be3 Nd4 10. Rb1 d5 11. Ne2 dxe4 12. dxe4 Nec6
13. e5 Nxe2+ 14. Qxe2 Qa5 15. Nd2 Nd4 16. Qc4 Rd8 17. Ne4 b6 18. b4
Qa4 19. Nc3 Ba6 20. Nxa4 Bxc4 21. Bxa8 Bxf1 22. Be4 Bb5 23. Nc3 Bf8
24. a4 Bc4 25. b5 Be7 26. Kf2 f5 27. Bd3 Bxd3 28. cxd3 Kf7 29. Ne2
Nc2 30. Rb3 g5 31. Rc3 gxf4 32. gxf4 Nb4 33. d4 Nd5 34. Rc4 Nxe3
35. Kxe3 cxd4+ 36. Nxd4 Bc5 37. Kd3 Kg6 38. Kc3 Bxd4+ 39. Rxd4 Rxd4
40. Kxd4 Kh5 41. Ke3 Kg4 42. h4 Kxh4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.24"]
[Round "1"]
[White "Zuk, Robert D."]
[Black "Hanlen, Rich"]
[Result "1-0"]
[ECO "B40"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6
7. O-O e5 8. Nd2 Be6 9. Qe2 Qc7 10. Nc4 Bc5 11. Bg5 h6 12. Bd2 O-O
13. b4 Bd4 14. c3 b5 15. Ne3 Bxe3 16. Bxe3 Rfd8 17. Rfd1 a5 18. a3
axb4 19. cxb4 Bb3 20. Rdc1 Qd7 21. Rc3 Qe6 22. Qb2 Ba4 23. f3 Rab8
24. Rac1 Rd6 25. Be2 Rbd8 26. Kf1 Nd7 27. Ke1 Nb8 28. Bc5 R6d7 29.
Bb6 Rf8 30. Bd3 g5 31. Bb1 g4 32. fxg4 Qxg4 33. Rg3 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.24"]
[Round "1"]
[White "Macskasy, Elod"]
[Black "Jones, Dave"]
[Result "1-0"]
[ECO "E20"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bd2 c5 5. a3 Bxc3 6. Bxc3 cxd4 7.
Bxd4 O-O 8. e3 d5 9. Nf3 b6 10. cxd5 exd5 11. Rc1 Bg4 12. Be2 Nbd7
13. O-O Rc8 14. b4 Ne4 15. Rxc8 Qxc8 16. Qc1 Qb7 17. Qb2 f6 18. h3
Be6 19. Rc1 Rc8 20. Rc2 Rxc2 21. Qxc2 b5 22. Bb2 a6 23. Nd4 Bf7 24.
Nc6 Bg6 25. Na5 Qb8 26. Qc6 Qd6 27. Qc8+ Kf7 28. Nb7 Qe7 29. Nd8+
Kf8 30. Nc6+ Qe8 31. Qxa6 Nd6 32. Ne5 Nc4 33. Nxd7+ Qxd7 34. Bd4
Bc2 35. Bg4 Bf5 36. Bf3 Be4 37. Bh5 Qd8 38. Qe6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Spassky, Boris"]
[Black "Banks, Derek"]
[Result "1-0"]
[ECO "B01"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7
7. Nge2 Nb6 8. d3 Nfxd5 9. Nxd5 Nxd5 10. Ng3 Qd7 11. O-O h5 12. d4
O-O-O 13. Bb3 h4 14. Ne4 e6 15. Qe2 f6 16. c4 Nb6 17. Be3 Be7 18.
Rfd1 Qe8 19. Bf2 g5 20. a4 Qg6 21. h3 g4 22. hxg4 Bxe4 23. fxe4 Nd7
24. c5 Nf8 25. d5 Rg8 26. d6 cxd6 27. cxd6 Rxd6 28. Rac1+ Kd8 29.
Rxd6+ Bxd6 30. Qd1 Ke7 31. e5 Bxe5 32. Bc5+ Kf7 33. Bxe6+ Kxe6 34.
Qb3+ Kd7 35. Qxb7+ Ke6 36. Rd1 Qxg4 37. Qd5+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Crookes, Wayne"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "A22"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Qc2 Re8 6. d3 Nc6 7.
Bd2 Nd4 8. Qb1 c6 9. e3 Bxc3 10. Bxc3 d5 11. Kf1 dxc4 12. exd4 exd4
13. Bd2 Bf5 14. Be4 Nxe4 15. dxe4 Bxe4 16. Qd1 Bxh1 17. f3 Qd5 18.
Kf2 d3 19. Be3 Rxe3 20. Kxe3 Qe5+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Suttles, Duncan"]
[Black "Vitanyi, Leslie"]
[Result "1-0"]
[ECO "A15"]

1. c4 Nf6 2. g3 g6 3. Nc3 d6 4. Bg2 Nbd7 5. d3 c6 6. b4 Bg7 7. Rb1
Nb6 8. a4 Bd7 9. a5 Nc8 10. Bd2 Rb8 11. Nf3 O-O 12. O-O d5 13. Bf4
Ra8 14. cxd5 cxd5 15. Qb3 Be8 16. Be5 e6 17. e4 Ne7 18. Nd4 Nc6 19.
Nxc6 bxc6 20. Na4 Rc8 21. Bd4 dxe4 22. Bxa7 Qxd3 23. Qxd3 exd3 24.
Bc5 Nd5 25. Nb6 Nxb6 26. axb6 Rd8 27. Rfd1 Be5 28. b7 f6 29. Be7
Rb8 30. Bxf8 Kxf8 31. Rxd3 Rxb7 32. Rd8 Rc7 33. f4 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Jackson, David"]
[Black "Vranesic, Zvonko"]
[Result "0-1"]
[ECO "B40"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Be2 g6 5. d4 cxd4 6. Nxd4 Nf6 7.
Nc3 Bg7 8. Be3 O-O 9. O-O d5 10. cxd5 exd5 11. exd5 Nb4 12. Ndb5
Nfxd5 13. Bc5 Re8 14. Nd6 Bxc3 15. Nxe8 Qxe8 16. Bxb4 Bxb4 17. Qxd5
Qxe2 18. Qd8+ Bf8 19. Rae1 Qxb2 20. Re8 Qb4 21. Rc1 b6 22. Qc7 Bb7
23. Ree1 Ba6 24. Qd7 Qd6 25. Qa4 Bb7 26. Red1 Qe6 27. Rc4 Bc5 28.
Rf4 Bc6 29. Qc2 Re8 30. Qd3 Qxa2 31. h4 Qe2 32. Qb3 Qe6 33. Qc3 h5
34. g4 hxg4 35. h5 g3 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Cardoso, Ruth"]
[Black "Zuk, Robert D."]
[Result "0-1"]
[ECO "B94"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7.
Qd2 e6 8. O-O-O Qc7 9. f4 Be7 10. g4 Rb8 11. Be2 b5 12. Bf3 b4 13.
Nce2 Bb7 14. Ng3 Rc8 15. Kb1 Qb6 16. Rhe1 h6 17. Bxf6 gxf6 18. Nh5
Kd8 19. e5 fxe5 20. Bxb7 Qxb7 21. fxe5 d5 22. Qf4 Rh7 23. Nf6 Bxf6
24. exf6 Qc7 25. Qd2 Qd6 26. g5 hxg5 27. Qxg5 Kc7 28. h4 Rch8 29.
Nf3 Rh5 30. Qg7 R5h7 31. Qg1 Qc5 32. Qg3+ Kb7 33. Qg5 Rh6 34. Qg1
R8h7 35. Qg3 Rxf6 36. Qg8 Rh5 37. Qd8 Qc7 38. Qxc7+ Kxc7 39. Rd3
Rf4 40. Rh1 Nc5 41. Re3 Ne4 42. Kc1 Nf2 43. Rg1 Ne4 44. Kd1 e5 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Zaradic, Anthony"]
[Black "Zeidaks, Andris"]
[Result "0-1"]
[ECO "A07"]

1. g3 e5 2. Bg2 d5 3. d3 Nc6 4. Nf3 Nf6 5. O-O Be7 6. Nc3 O-O 7. h3
d4 8. Nb1 Bf5 9. Nbd2 Qd7 10. Kh2 Rae8 11. Nb3 h6 12. e4 Bg6 13.
Ng1 Nh7 14. h4 h5 15. Bh3 Qd8 16. Bd2 Nf6 17. Qe2 Bh7 18. a3 Ng4+
19. Kg2 f5 20. exf5 Bxf5 21. f3 Qd7 22. Rae1 Bd6 23. Bg5 Ne7 24.
Nd2 Nd5 25. Nc4 b5 26. fxg4 hxg4 27. Bxg4 Bxg4 28. Rxf8+ Rxf8 29.
Nxe5 Ne3+ 30. Qxe3 dxe3 31. Nxd7 Rf2+ 32. Kh1 Bxg3 33. Ne2 Bf3+
34. Kg1 Bh2# 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Bone, Eric D."]
[Black "Hoover, D."]
[Result "1-0"]
[ECO "C15"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7.
Qxg7 Rg8 8. Qh6 Nbd7 9. Ne2 b6 10. Ng3 Bb7 11. Be2 c5 12. O-O Qc7
13. Bf4 Qc6 14. f3 cxd4 15. cxd4 Rg6 16. Qh3 Qc3 17. Rad1 O-O-O 18.
fxe4 Bxe4 19. Nxe4 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Ervin, Roy C."]
[Black "Johnson, R."]
[Result "1-0"]
[ECO "B57"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Bc4 Qb6 7.
Nb3 Bg4 8. f3 Bd7 9. Qe2 e6 10. Be3 Qc7 11. O-O Be7 12. Rfd1 a6 13.
Qf2 b5 14. Bf1 Rb8 15. a4 b4 16. Nb1 a5 17. N1d2 Ne5 18. Nd4 O-O
19. h3 d5 20. f4 Nc4 21. e5 Nxe3 22. Qxe3 Ne8 23. Bd3 g6 24. Kh1
Ng7 25. g4 Bc5 26. N2b3 Ba7 27. Qg3 Bb6 28. Qh4 Qb7 29. Qh6 Rbe8
30. Kh2 f6 31. Nf3 Re7 32. Qh4 Ne8 33. Nbd4 Rg7 34. Bb5 fxe5 35.
Bxd7 Qxd7 36. Nxe5 Qc8 37. Ndc6 Rxf4 38. Rf1 g5 39. Ne7+ Rxe7 40.
Qxg5+ Rg7 41. Qxf4 Nd6 42. Rae1 Bc7 43. Kh1 Nf7 44. Qd4 Nxe5 45.
Rxe5 Bxe5 46. Qxe5 Qe8 47. Rf6 Rg6 48. g5 Rxf6 49. gxf6 Qd7 50. Kg2
h6 51. Qg3+ Kh8 52. Kf3 e5 53. Qxe5 Qxh3+ 54. Ke2 Qg4+ 55. Ke3 Qg5+
56. Kd4 Qxe5+ 57. Kxe5 Kg8 58. Kxd5 Kf7 59. Ke5 h5 60. Kf5 h4 61.
Kg4 Kxf6 62. Kxh4 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Smook, Roger"]
[Black "Shapero, D."]
[Result "1-0"]
[ECO "A24"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nge2 e5 7. O-O
Be6 8. d3 Nc6 9. Nd5 Ne7 10. Nxf6+ Bxf6 11. Bh6 Bg7 12. Bxg7 Kxg7
13. f4 Qd7 14. Qc2 c5 15. Rf2 Nc6 16. Qd2 f5 17. exf5 Bxf5 18. Nc3
exf4 19. Rxf4 Nd4 20. Ne2 Nxe2+ 21. Qxe2 Rae8 22. Qd2 b6 23. Raf1
h5 24. Qc3+ Kh7 25. Be4 Re5 26. h3 Rfe8 27. g4 hxg4 28. hxg4 Be6
29. Qd2 Re7 30. Rf8 Bxg4 31. Rh8+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Bjornsen, D."]
[Black "Taylor, Jack M."]
[Result "0-1"]
[ECO "B70"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7.
Bb3 O-O 8. f3 Nc6 9. Be3 Na5 10. Qd2 a6 11. g4 b5 12. Bd5 Nxd5 13.
Nxd5 Bb7 14. Nxe7+ Qxe7 15. Qxa5 Bxe4 16. O-O-O Bxf3 17. Nxf3 Qxe3+
18. Nd2 Qd4 19. Qa3 Qxg4 20. Qxd6 Rfd8 21. Qc6 Qa4 22. Kb1 Rac8 23.
Qe4 Rd4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "MacPhail, John"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "B80"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Nc6 7.
Bg2 Bd7 8. O-O Be7 9. Re1 O-O 10. Bg5 a6 11. Nxc6 Bxc6 12. Qd2 h6
13. Bf4 Qc7 14. a4 b5 15. axb5 axb5 16. e5 Rxa1 17. Rxa1 dxe5 18.
Bxe5 Qxe5 19. Bxc6 b4 20. Nd1 Bc5 21. Ra8 Rxa8 22. Bxa8 g5 23. Bf3
Kg7 24. Qe2 Qf5 25. Qd3 Qxd3 26. cxd3 Bd4 27. Kf1 Nd7 28. Ke2 f5
29. Ba8 Kf6 30. Bb7 Nc5 31. Bc6 g4 32. Bb5 h5 33. f3 Ke7 34. Bc6
Bg7 35. fxg4 hxg4 36. Bg2 Na4 37. h3 gxh3 38. Bxh3 Bxb2 39. Kd2 Bd4
40. Ne3 b3 41. Nc4 Bf2 42. g4 f4 43. Bg2 Be3+ 44. Kd1 Nc3+ 45. Ke1
Bc1 46. d4 b2 47. Na3 Be3 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Durrant, E."]
[Black "Suttles, Duncan"]
[Result "0-1"]
[ECO "B09"]

1. e4 g6 2. d4 d6 3. f4 Nf6 4. Nc3 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3
Qxc5 8. Qe2 O-O 9. Be3 Qa5 10. O-O Nc6 11. Rad1 Ng4 12. Bd2 Qb6+
13. Kh1 Qxb2 14. Nb5 a6 15. Nc7 Rb8 16. h3 Nf6 17. Rb1 Qa3 18. Nd5
Be6 19. c4 Nh5 20. Kh2 Bxd5 21. cxd5 Nd4 22. Nxd4 Bxd4 23. Bb4 Qa4
24. e5 Nxf4 25. Rxf4 Bxe5 26. g3 Bxf4 27. gxf4 Rbc8 28. Rb2 Rc1 29.
Bc2 Qd7 30. Bd2 Ra1 31. f5 Rc8 32. fxg6 hxg6 33. Qg2 Rxc2 34. Rxc2
Qf5 35. Bc1 Rxc1 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Vranesic, Zvonko"]
[Black "Hambleton, I."]
[Result "1-0"]
[ECO "D93"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Nf3 c5 7. dxc5
Be6 8. Ng5 Nc6 9. Be2 Qa5 10. O-O Rfd8 11. Nxe6 fxe6 12. cxd5 exd5
13. Nb5 Ne8 14. Qb3 a6 15. Nc3 Qxc5 16. Na4 Qb4 17. Qxb4 Nxb4 18.
a3 Nc6 19. Rad1 b5 20. Nb6 Ra7 21. Nxd5 Bxb2 22. Nb4 Rxd1 23. Rxd1
Nxb4 24. axb4 Bc3 25. Bf3 Nd6 26. Bxd6 exd6 27. Rxd6 Bxb4 28. Rb6
Bc5 29. Rc6 Be7 30. Be2 Kf7 31. f4 Bf6 32. Kf2 Ke7 33. g4 Bh4+ 34.
Kf3 Kd7 35. Rc1 Be7 36. Ke4 b4 37. Kd5 a5 38. Bb5+ Kd8 39. Ba4 Ra6
40. Rc6 Ra7 41. Rb6 Kc7 42. Re6 Kd8 43. f5 gxf5 44. gxf5 Bg5 45. e4
b3 46. Rb6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Janicki, Paul"]
[Black "Kuprejanov, George"]
[Result "0-1"]
[ECO "C58"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7.
Qe2 Be7 8. Bxd7+ Qxd7 9. Qxe5 O-O 10. O-O Ng4 11. Qc3 Bxg5 12. Qxa5
Qd6 13. g3 Qh6 14. h4 Bxh4 15. Kg2 Bxg3 16. fxg3 Qh2+ 17. Kf3 Ne5+
18. Kf4 Qe2 19. Na3 Ng6+ 20. Kf5 Rae8 21. d4 Qe4+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Wuntschek, S."]
[Black "Biyiasas, Peter"]
[Result "0-1"]
[ECO "B50"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d3 g6 6. h3 Bg7 7. Be3
O-O 8. Na3 b6 9. Qd2 Bb7 10. Bh6 Qc7 11. Bxg7 Kxg7 12. Nh2 d5 13.
exd5 Nxd5 14. Ng4 Qf4 15. Bf3 Rad8 16. O-O-O h5 17. Ne3 Ne5 18. Be4
Nxe3 19. fxe3 Bxe4 20. exf4 Nxd3+ 21. Qxd3 Bxd3 22. Rd2 Be4 23. Re2
f5 24. Rhe1 Rfe8 25. Re3 Bxg2 26. Rxe7+ Rxe7 27. Rxe7+ Kf6 28. Rxa7
Bxh3 29. Rb7 Bg4 30. Rxb6+ Kg7 31. Nc4 h4 32. Ne5 h3 33. Rxg6+ Kh7
34. Rxg4 fxg4 35. Nxg4 Rg8 36. Nh2 Rg1+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Harper, Bruce"]
[Black "Formanek, Edward"]
[Result "0-1"]
[ECO "A21"]

1. c4 e5 2. Nc3 d6 3. g3 Be7 4. Bg2 f5 5. Rb1 Nf6 6. d3 O-O 7. b4
Kh8 8. a4 a5 9. b5 Nbd7 10. Nf3 Rb8 11. O-O Qe8 12. Bd2 b6 13. Ng5
Bd8 14. f4 exf4 15. Bxf4 Ne5 16. Bd2 Nfg4 17. h3 Nf6 18. Nf3 Qg6
19. Qe1 Nxf3+ 20. Bxf3 Be7 21. Kh2 Bd7 22. Nd5 Nxd5 23. Bxd5 Bf6
24. Rf3 Rbe8 25. Qf2 Qh5 26. Kg2 f4 27. gxf4 Bh4 28. Qf1 Bxh3+ 29.
Kxh3 Be1+ 30. Kg2 Qg4+ 31. Kh1 Rf5 32. Bf7 Re6 33. Qg2 Rh6+ 34.
Kg1 Qxg2+ 35. Kxg2 Bxd2 36. Bd5 Bxf4 37. e3 Rh2+ 38. Kg1 Rg5+ 39.
Rg3 Bxg3 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Zeidaks, Andris"]
[Black "Ervin, Roy C."]
[Result "0-1"]
[ECO "C01"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. c4 Nf6 6. Bg5 dxc4 7.
Bxc4 O-O 8. O-O Nbd7 9. Nbd2 c6 10. Ne4 Be7 11. Ng3 h6 12. Bd2 Nb6
13. Bd3 Re8 14. Qc2 Nbd5 15. a3 a5 16. Rae1 Be6 17. Nf5 Bf8 18. Ne5
Ne7 19. Re3 Nxf5 20. Bxf5 Qxd4 21. Bc3 Qc5 22. Bxe6 Rxe6 23. Rfe1
Nd5 24. Nxf7 Nxe3 25. Qb3 Qd5 26. Qxb7 Qxg2# 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Berry, F. Jonathan"]
[Black "Aspler, G."]
[Result "1-0"]
[ECO "A16"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d3 c6 6. Bg5 d6 7. Qd2
Nbd7 8. Nf3 Rb8 9. O-O b5 10. Nd4 b4 11. Nd1 Ne5 12. f4 Qb6 13. e3
Neg4 14. Nxc6 Rb7 15. h3 Nh6 16. g4 Nhxg4 17. hxg4 Bxg4 18. Nf2 Bh5
19. Nd4 e5 20. fxe5 dxe5 21. c5 Qxc5 22. Bxf6 Bxf6 23. Ne4 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "McCormick, James"]
[Black "Demanuele, F."]
[Result "0-1"]
[ECO "E52"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O
d5 8. a3 Bxc3 9. bxc3 Nbd7 10. cxd5 exd5 11. c4 h6 12. a4 Re8 13.
Bb2 Ne4 14. Rc1 Rc8 15. cxd5 Bxd5 16. Ba6 Rb8 17. Bb5 Nd6 18. Bc6
Bxc6 19. Rxc6 b5 20. axb5 Nxb5 21. Qc2 Nf6 22. Ne5 Qd5 23. Rc5 Qe4
24. Qa4 Nd6 25. Ba3 Rb1 26. Rxc7 Rxf1+ 27. Kxf1 Rxe5 28. Bxd6 Qd3+
29. Ke1 Rb5 30. Qd1 Rb1 31. Rc1 Rxc1 32. Qxc1 a5 33. f3 Nd5 34. Kf2
Nc3 35. Bf4 a4 36. Bd6 Nd1+ 37. Ke1 Nxe3 38. Kf2 Nc2 39. Be5 Nxd4
40. Qf4 Qc2+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Krzyzowski, Ernest"]
[Black "Zaradic, Anthony"]
[Result "0-1"]
[ECO "A85"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Be7 5. Nf3 O-O 6. e3 d6 7. Bd3
Nc6 8. a3 e5 9. dxe5 dxe5 10. Be2 Be6 11. Qc2 Qe8 12. Rd1 Qg6 13.
Bxf6 Bxf6 14. Nd5 e4 15. Nxf6+ Rxf6 16. Nh4 Qh6 17. g3 g5 18. Ng2
Qh3 19. Bf1 Ne5 20. Nh4 Qg4 21. Be2 Nf3+ 22. Nxf3 exf3 23. Bf1 f4
24. h3 Qh5 25. gxf4 gxf4 26. Rg1+ Kf7 27. e4 Re8 28. Kd2 Rg6 29.
Bd3 Rg2 30. Kc1 Qc5 31. Rdf1 Reg8 32. Rh1 Rd8 33. e5 Rd4 34. Kb1 h6
35. Re1 a5 36. Bf1 Rg7 37. h4 c6 38. Bh3 Qxc4 39. Bxe6+ Kxe6 40.
Qxc4+ Rxc4 41. Rh3 Rc5 42. Rxf3 Rxe5 43. Rd1 Rg4 44. Rd4 Kf5 45. h5
Rd5 46. Rc4 Rb5 47. Kc2 Kg5 48. a4 Rf5 49. b4 Rg2 50. bxa5 Kg4 51.
Rb3 Rxf2+ 52. Kd1 Rxh5 53. Ke1 Ra2 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Spassky, Boris"]
[Black "Dobrich, Walter"]
[Result "1-0"]
[ECO "E31"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 exd5 7.
cxd5 d6 8. e3 Bf5 9. Bb5+ Nbd7 10. Nge2 a6 11. Ng3 Bg6 12. Bxd7+
Qxd7 13. Bxf6 gxf6 14. O-O h5 15. Nce4 Ke7 16. a3 Ba5 17. b4 h4 18.
bxa5 hxg3 19. Nxg3 Rh4 20. f4 Rah8 21. f5 Bh5 22. Qd2 Qc8 23. Rab1
Bg4 24. Rf4 Kf8 25. Qc3 Rxh2 26. Rxg4 Rh1+ 27. Kf2 Rxb1 28. Qxf6
1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Ree, Hans"]
[Black "Benko Pal"]
[Result "1/2-1/2"]
[ECO "B06"]

1. e4 g6 2. d4 Bg7 3. c3 c6 4. Nf3 d6 5. Be2 Nf6 6. Nbd2 O-O 7. O-O Bg4
8. a4 Nbd7 9. h3 Bxf3 10. Bxf3 Qc7 11. Re1 Rfe8 12. Nc4 d5 13. exd5 cxd5
14. Ne5 e6 15. Bf4 Nxe5 16. Bxe5 Qd7 17. Qd2 Rec8 18. h4 h5 19. Qg5 Ne8
20. g4 hxg4 21. Qxg4 Kf8 22. h5 gxh5 23. Qxh5 Bxe5 24. Rxe5 Nf6 25. Qh4
Ke7 26. Rf5 Rg8+ 27. Kf1 Rg6 28. Rg5 Rag8 29. Rxg6 Rxg6 30. Qf4 Qc8
31. Ra3 Qc6 32. Qb8 Qa6+ 33. Be2 Qb6 34. b4 Ne4 35. a5 Qd6 36. Qxd6+
Nxd6 37. Bd3 Rg8 38. Ke2 Rc8 39. Kd2 Rh8 40. Ra1 Rh2 41. Ke2 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Kavalek, Lubomir"]
[Black "Kuprejanov, George"]
[Result "1-0"]
[ECO "C64"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. d4 fxe4 6. Nxe5 Nxe5 7.
Qh5+ Nf7 8. Bc4 Qe7 9. dxc5 d6 10. cxd6 cxd6 11. Bf4 Be6 12. Bxe6
Qxe6 13. Qb5+ Qd7 14. Na3 Rd8 15. O-O-O Qc6 16. f3 Nf6 17. fxe4 O-O
18. Rhe1 Rfe8 19. Qxc6 bxc6 20. e5 dxe5 21. Rxd8 Rxd8 22. Bxe5 Nxe5
23. Rxe5 Nd5 24. Kc2 Kf7 25. Nc4 Kf6 26. Re2 g5 27. a4 h5 28. Ne3
Nf4 29. Re1 g4 30. b4 Kg5 31. g3 Ng6 32. Nc4 Rf8 33. Re2 h4 34. Ne5
hxg3 35. hxg3 Nh8 36. a5 Rc8 37. Rh2 Kf5 38. Nxc6 Ke4 39. Nd4 Ng6
40. Re2+ Kd5 41. Nf5 Rf8 42. Ne3+ Ke4 43. Nxg4+ Kf3 44. Re6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Suttles, Duncan"]
[Black "Berry, F. Jonathan"]
[Result "1-0"]
[ECO "D34"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O c5 7.
cxd5 exd5 8. d4 Nc6 9. dxc5 Bxc5 10. Bg5 Be6 11. Bxf6 Qxf6 12. Nxd5
Qxb2 13. Nc7 Rad8 14. Qc1 Qxc1 15. Raxc1 Bb6 16. Nxe6 fxe6 17. e3
h6 18. Rc2 Rd7 19. Rb1 Rfd8 20. Bf1 g5 21. Bb5 Rd1+ 22. Rxd1 Rxd1+
23. Kg2 Rd6 24. Bxc6 Rxc6 25. Rxc6 bxc6 26. Ne5 c5 27. Kf3 Kg7 28.
h3 Kf6 29. Ke4 h5 30. g4 hxg4 31. hxg4 Ke7 32. a4 a6 33. Kd3 Bc7
34. Nf3 Kf6 35. Kc4 Bb6 36. Nd2 Ke5 37. f3 Ba5 38. Ne4 Be1 39. Nxg5
Bf2 40. f4+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Formanek, Edward"]
[Black "Vranesic, Zvonko"]
[Result "1/2-1/2"]
[ECO "B43"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7.
f4 d6 8. O-O Be7 9. Kh1 O-O 10. Qe2 e5 11. fxe5 dxe5 12. Nf5 Bxf5
13. Rxf5 Nc6 14. Nd5 Qd6 15. Bg5 Nd4 16. Nxe7+ Qxe7 17. Bxf6 Qe6
18. Rg5 Qxf6 19. Qe3 g6 20. Qg3 Rae8 21. c3 h6 22. Rg4 Ne6 23. Qe3
Nf4 24. Rg3 Rd8 25. Bf1 Qd6 26. Rf3 Qd2 27. Qxd2 Rxd2 28. b3 Rfd8
29. Bc4 b5 30. g3 bxc4 31. gxf4 Re2 32. fxe5 Rdd2 33. Rh3 Kg7 34.
bxc4 Rxe4 35. Rf1 Rxe5 36. Rhf3 f5 37. R1f2 Rxf2 38. Rxf2 Rc5 39.
Rf4 Kf6 40. Rd4 Ke6 41. h4 Ra5 42. Rd8 Rxa2 43. c5 Ra5 44. Rd6+ Kf7
45. h5 gxh5 46. Rxh6 Rxc5 47. Rxa6 Kg7 48. Kg2 Rxc3 49. Rb6 Rc4 50.
Kf3 Rg4 51. Rb7+ Kg6 52. Rb6+ Kg5 53. Rb8 Rf4+ 54. Kg3 h4+ 55. Kg2
Rg4+ 56. Kf2 Ra4 57. Kf3 Ra3+ 58. Kg2 Kg4 59. Rg8+ Kf4 60. Rb8 Ra2+
61. Kh3 Re2 62. Rf8 Ke4 63. Kxh4 f4 64. Kg4 Rg2+ 65. Kh3 Rg3+ 66.
Kh2 Kf3 67. Ra8 Rg2+ 68. Kh3 Re2 69. Ra3+ Re3 70. Ra2 Rb3 71. Kh2
Rc3 72. Kh3 Rd3 73. Rb2 Re3 74. Ra2 Re4 75. Rb2 Rd4 76. Ra2 Rd1 77.
Ra3+ Ke4 78. Kg2 Rd2+ 79. Kf1 Rb2 80. Ra4+ Kf3 81. Ra3+ Kg4 82. Rc3
Rh2 83. Ra3 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Brebic, B."]
[Black "Taylor, Gordon E."]
[Result "0-1"]
[ECO "B72"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7.
Be3 O-O 8. Qd2 Nc6 9. f3 Bd7 10. O-O Rc8 11. Nb3 a6 12. Rad1 Ne5
13. Rfe1 Qc7 14. Bd4 Nc4 15. Qc1 e5 16. Bf2 Nxb2 17. Qxb2 Qxc3 18.
Qxc3 Rxc3 19. Rxd6 Rxc2 20. Bh4 Be6 21. Rb6 Rfc8 22. Rxb7 Rxa2 23.
Kf1 Nd7 24. Rd1 Rcc2 25. Rbxd7 Bxd7 26. Rxd7 Rxe2 27. Nc1 Red2 28.
Nd3 Rd1+ 29. Be1 a5 30. h3 a4 31. Kg1 Re2 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Bone, Eric D."]
[Black "Demanuele, E."]
[Result "1-0"]
[ECO "C15"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7.
Qxg7 Rg8 8. Qh6 Nbd7 9. Ne2 c5 10. Bb2 Nb6 11. Ng3 Bd7 12. Rd1 Qe7
13. Be2 O-O-O 14. O-O Rg6 15. Qh4 Rdg8 16. f3 Nbd5 17. Rf2 Qf8 18.
fxe4 Rh6 19. Nh5 Ne3 20. Bc1 Nxd1 21. Bxd1 Nxh5 22. Bxh6 Qxh6 23.
Qxh5 Qxh5 24. Bxh5 f5 25. Rf4 Rg5 26. Bf3 Rg7 27. Kf2 Re7 28. g4 e5
29. dxe5 fxg4 30. Bxg4 Bxg4 31. Rxg4 Rxe5 32. Rh4 h5 33. Ke3 Kd7
34. Kf4 Ke6 35. c4 Kf6 36. Rh3 Rg5 37. Rg3 Re5 38. Rg6+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Avery, Robert W."]
[Black "Johnson, R."]
[Result "0-1"]
[ECO "B30"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. d3 d5 7. Bd2
d4 8. Ne2 c4 9. O-O O-O 10. Ne1 Be6 11. h3 Rc8 12. g4 Qb6 13. b3 c3
14. Bc1 h5 15. g5 Nh7 16. f4 Bd7 17. Nf3 Qc5 18. Nh4 Rfd8 19. Ng3
b5 20. f5 Be8 21. Bf4 Be5 22. Ne2 Qd6 23. Bc1 a5 24. a3 Rb8 25. Kh1
Rb6 26. Nf4 Nf8 27. Nd5 Ra6 28. fxg6 fxg6 29. Qe2 Nh7 30. Qf3 Nb8
31. a4 b4 32. Qe2 Nd7 33. Nf3 Bg7 34. Qf2 Bf7 35. Nxd4 Bxd5 36.
exd5 Rf8 37. Bf4 Bxd4 38. Bxd6 Rxf2 39. Bxe7 Rxc2 40. d6 Bf2 41.
Be4 Kg7 42. Bd8 Rxd6 43. Bxa5 Nxg5 44. Bxb4 Nxe4 45. dxe4 Rd3 46.
Rac1 Rxc1 47. Rxc1 Bd4 48. a5 Ne5 49. Bd6 Nf3 50. a6 Nh4 51. Kh2
Kf7 52. b4 Ke6 53. Bg3 Rd2+ 54. Kh1 g5 55. b5 c2 56. Be1 Rd1 57.
Rxc2 Rxe1+ 58. Kh2 Be5# 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.27"]
[Round "4"]
[White "Smook, Roger"]
[Black "Hoover, D."]
[Result "1-0"]
[ECO "A16"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7
7. d4 c5 8. e3 O-O 9. Ne2 Nc6 10. O-O Bf5 11. Ba3 cxd4 12. cxd4 Rc8
13. Rc1 Re8 14. Rc5 Qb6 15. Nc3 Qa6 16. Qb3 e5 17. Bd5 Be6 18. Bxe6
fxe6 19. d5 exd5 20. Nxd5 Kh8 21. Bb2 Rf8 22. f4 Rcd8 23. Nc7 Qe2
24. Rc2 Rd2 25. Rxd2 Qxd2 26. Ne6 Na5 27. Qc3 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Murray, Peter"]
[Black "Ree, Hans"]
[Result "0-1"]
[ECO "A22"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Nc6 6. Nge2 Bc5 7.
O-O d6 8. h3 a6 9. d3 Rb8 10. a3 b5 11. b4 Ba7 12. Nd5 h6 13. Be3
Bxe3 14. Nxe3 Bd7 15. Rc1 Re8 16. Qc2 Nd4 17. Nxd4 exd4 18. Nd5 Rc8
19. Nxf6+ Qxf6 20. c5 h5 21. f4 c6 22. cxd6 Qxd6 23. Qc5 Qxc5 24.
Rxc5 a5 25. e5 axb4 26. axb4 Ra8 27. Bxc6 Bxc6 28. Rxc6 Ra3 29. Rb6
Rxd3 30. Kg2 Rc8 31. Rxb5 Rcc3 32. Rf2 Rxg3+ 33. Kh2 Rxh3+ 34. Kg2
Rcg3+ 35. Kf1 Rh1+ 36. Ke2 Rb1 37. Rf1 Rb2+ 38. Kd1 Rgg2 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Browne, Walter S."]
[Black "Formanek, Edward"]
[Result "0-1"]
[ECO "C00"]

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. Qe2 b6 10. Nb3 Bd6 11. Rd1 a5 12. a3 Qe7 13.
h3 Ba6 14. Qe1 Rad8 15. Bg5 Qe6 16. Bf1 Bxf1 17. Qxf1 h6 18. Bxf6
Qxf6 19. Kg2 Qe6 20. Qb5 Ne7 21. Nbd2 Kh8 22. Qc4 Qc8 23. Qe2 f6
24. Qc4 Qd7 25. a4 Qc6 26. Qxc6 Nxc6 27. c3 Kg8 28. Nc4 Bc5 29. Ne1
Kf7 30. Nd3 Bd6 31. Kf3 Ke6 32. Ke2 g6 33. Ne3 f5 34. f3 Rd7 35. h4
h5 36. g4 hxg4 37. exf5+ gxf5 38. fxg4 f4 39. Nf5 e4 40. Nf2 Ke5
41. c4 f3+ 42. Kf1 Kf4 43. Nd4 Nxd4 44. Rxd4 Re7 45. Re1 Rfe8 46.
g5 Bc5 47. Nd3+ Kg3 48. Nxc5 bxc5 49. Rd5 e3 50. Rf5 f2 51. Re2 Re4
52. h5 Rxc4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Vranesic, Zvonko"]
[Black "Ervin, Roy C."]
[Result "1-0"]
[ECO "D51"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 Be7 7.
Nf3 O-O 8. Bd3 Re8 9. O-O c6 10. Qc2 a5 11. Rab1 Nf8 12. a3 Ne4 13.
Bxe7 Qxe7 14. b4 axb4 15. axb4 Ng6 16. Nd2 f5 17. Nf3 f4 18. Rfe1
Bf5 19. b5 Nxc3 20. Qxc3 Ra3 21. Rb3 Rxb3 22. Qxb3 Bxd3 23. Qxd3
fxe3 24. Rxe3 Qd7 25. bxc6 bxc6 26. Ng5 Rxe3 27. Qxe3 Qe7 28. Qe6+
Qxe6 29. Nxe6 Ne7 30. g4 Kf7 31. Nf4 Ng6 32. Nd3 Ke6 33. f4 Kd6 34.
Kf2 Nf8 35. Ke3 g6 36. f5 gxf5 37. gxf5 Nd7 38. Kf4 h6 39. h3 Nf6
40. Ne5 Nh5+ 41. Ke3 Ng3 42. Nf7+ Ke7 43. Nxh6 Kf6 44. Kf3 Nf1 45.
Kf4 Nd2 46. Ng4+ Ke7 47. h4 Nb3 48. Ke5 c5 49. dxc5 Nxc5 50. Kxd5
Nd7 51. Ke4 Kf8 52. Kf4 Kg7 53. Kg5 Nc5 54. f6+ Kf7 55. Kf5 Kg8 56.
Ne5 Kh7 57. Nf7 Nd7 58. Kg5 Nf8 59. Kh5 Nd7 60. Ng5+ Kg8 61. Kg6
Ne5+ 62. Kf5 Nd7 63. h5 Nf8 64. Ke5 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Bone, Eric D."]
[Black "Biyiasas, Peter"]
[Result "0-1"]
[ECO "B23"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. b3 Bg7 5. Bb2 d6 6. Nf3 e6 7. Bd3
Nge7 8. O-O O-O 9. a3 b6 10. Qe1 Bb7 11. f5 Nd4 12. Nxd4 Bxd4+ 13.
Kh1 Nc6 14. Qg3 Be5 15. Qh3 Nd4 16. Nd1 exf5 17. exf5 Qg5 18. Bxd4
Bxd4 19. c3 Be5 20. Ne3 Rae8 21. Qg4 Qh6 22. h3 Bxc3 23. fxg6 hxg6
24. Rad1 Bg7 25. Qd7 Bc8 26. Qxa7 Bxh3 27. Kg1 Rxe3 28. dxe3 Qxe3+
29. Kh1 Bg4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Dobrich, Walter"]
[Black "Gadia, O."]
[Result "0-1"]
[ECO "B25"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. f4 e6 7. Nf3
Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8 11. Rab1 b6 12. Ne2 Nxe2+
13. Qxe2 Bb7 14. g4 f5 15. Bd2 Qd7 16. h3 Rbe8 17. Rfe1 Nc6 18. c3
d5 19. gxf5 gxf5 20. e5 d4 21. c4 a5 22. a3 Ne7 23. b4 axb4 24.
axb4 Rb8 25. bxc5 bxc5 26. Rb5 Bxf3 27. Qxf3 Rxb5 28. cxb5 Qxb5 29.
Ra1 Ng6 30. Ra7 Rf7 31. Ra8+ Bf8 32. Kh2 Qb2 33. Be1 Rg7 34. Bg3
Ne7 35. Re8 Nd5 36. Rxe6 Ne3 37. Re8 h5 38. e6 Qxg2+ 39. Qxg2 Nxg2
40. Kxg2 h4 41. e7 Rxe7 42. Rxe7 Bxe7 43. Be1 Kf7 44. Kf3 Ke6 45.
Ke2 Kd5 46. Kd1 c4 47. Kc2 Bd6 48. Bd2 c3 49. Bc1 Kc6 50. Kb3 Kb5
51. Ba3 Bxa3 52. Kxa3 c2 53. Kb2 Ka4 54. Kxc2 Ka3 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Zuk, Robert D."]
[Black "Wuntschek, S."]
[Result "1-0"]
[ECO "C87"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3
Bg4 8. d3 O-O 9. h3 Bd7 10. Nbd2 Re8 11. Nf1 Bf8 12. Bg5 h6 13. Bh4
Be7 14. Ne3 g6 15. Bc2 g5 16. Bg3 Bf8 17. Nh2 Ne7 18. d4 Ng6 19.
dxe5 dxe5 20. Nhg4 Bxg4 21. Nxg4 Nxg4 22. Qxg4 Qf6 23. Bb3 Rad8 24.
Rad1 Kg7 25. Rd7 h5 26. Rxd8 hxg4 27. Rxe8 gxh3 28. gxh3 Be7 29.
Bd1 Qc6 30. Rc8 Bd6 31. Rd8 Qb5 32. Bb3 Qd3 33. Rd7 Nf4 34. Bxf4
gxf4 35. Rxf7+ Kg6 36. Kh2 Qf3 37. Rg1+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Barnes, Craig"]
[Black "Taylor, Gordon E."]
[Result "1-0"]
[ECO "B78"]

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. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 Nc4
13. Bxc4 Rxc4 14. h5 Nxh5 15. Nde2 Qa5 16. g4 Rxc3 17. Nxc3 Bxc3
18. Qxc3 Qxc3 19. bxc3 Nf6 20. e5 Ne8 21. Bh6 Ng7 22. exd6 exd6 23.
Rxd6 Bc6 24. Rd3 Re8 25. Kd2 Bb5 26. Re3 Rd8+ 27. Kc1 Ne6 28. f4
Rd5 29. Rd1 Rc5 30. Kb2 Bc6 31. f5 gxf5 32. gxf5 Rxf5 33. Rg3+ Kh8
34. Rdg1 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Spassky, Boris"]
[Black "Suttles, Duncan"]
[Result "1-0"]
[ECO "B06"]

1. e4 g6 2. d4 d6 3. c3 Nf6 4. Bd3 e5 5. f4 Bg7 6. Nf3 Bg4 7. fxe5
dxe5 8. Bg5 Nbd7 9. Nbd2 h6 10. Bh4 g5 11. Bf2 O-O 12. h3 Bh5 13.
d5 Bg6 14. Qe2 Re8 15. O-O Nh5 16. g3 Bf8 17. b4 Ndf6 18. Nc4 Bd6
19. Nfd2 Kh7 20. Kh2 Rg8 21. Nxd6 cxd6 22. c4 a5! 23. c5 axb4 24.
Nc4 dxc5 25. Nxe5 Re8 26. Nxg6 fxg6 27. Bxc5 Qc7 28. Bf2 Ra3! 29.
Qf3 Nxe4 30. Rac1 Qd7 31. Bd4 Rxd3 32. Qxd3 Nhxg3 33. Rfe1 Qd6 34.
Kg1 h5 35. Bb2 g4 36. Qd4 Nf5 37. Qd3 gxh3 38. Rxe4 Rxe4 39. Qxe4
h2+ 40. Kg2 Qg3+ 41. Kh1 Qf2 42. Rc7+ Kh6 43. Bc1+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Ree, Hans"]
[Black "Macskasy, Elod"]
[Result "1-0"]
[ECO "B19"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7.
h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. O-O-O O-O-O
13. Qe2 Ngf6 14. Ne5 Nb6 15. Ba5 c5 16. Bxb6 axb6 17. dxc5 Bxc5 18.
Nd3 Bd6 19. Ne4 Nxe4 20. Qxe4 Rd7 21. Qg4 Rhd8 22. Qxg7 Bf4+ 23.
Kb1 Be5 24. Qxh6 Rd4 25. Qe3 Qd6 26. f3 Qd5 27. a3 Bh8 28. h6 Qb5
29. Qc1 f5 30. Nb4 Qe5 31. Rxd4 Qxd4 32. Nd3 e5 33. Qg5 f4 34. Re1
Kb8 35. Re4 Qg1+ 36. Ka2 Rc8 37. h7 Qd1 38. Nb4 Qd7 39. Qg8 b5 40.
Nd5 Ka7 41. Nc3 Ka6 42. a4 b4 43. Rxb4 e4 44. Nxe4 Be5 45. Nc5+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Biyiasas, Peter"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "B77"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Bg7 7.
Qd2 Nf6 8. f3 O-O 9. Bc4 Bd7 10. Bb3 Rc8 11. O-O-O Ne5 12. h4 h5
13. Bg5 Nh7 14. Bh6 Bxh6 15. Qxh6 Rxc3 16. bxc3 Qa5 17. Kb2 Rc8 18.
Qe3 Qb6 19. Ka1 Qc5 20. g4 hxg4 21. f4 Nc4 22. Bxc4 Qxc4 23. Rd3 e5
24. Nb3 Nf6 25. Nd2 Qa4 26. f5 Qxc2 27. fxg6 Be6 28. gxf7+ Kxf7 29.
c4 Bxc4 30. Nxc4 Qxc4 31. Rf1 Qe6 32. Qxa7 Rc2 33. Qa3 Rc6 34. Qb4
Kg6 35. Qxb7 Rc2 36. Rb3 Qc4 37. Rd1 Nxe4 38. h5+ Kh6 39. Qb8 Rc1+
40. Rxc1 Qxc1+ 41. Rb1 Qc3+ 42. Qb2 Kxh5 43. Qxc3 Nxc3 44. Rb3 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Gadia, O."]
[Black "Vranesic, Zvonko"]
[Result "0-1"]
[ECO "B25"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nf3
Nge7 8. O-O O-O 9. h3 f5 10. Nd5 exf4 11. Bxf4 Nxd5 12. exd5 Nd4
13. c3 Nxf3+ 14. Qxf3 Qf6 15. Qe3 Bd7 16. Rae1 Rfe8 17. Qd2 Rxe1
18. Rxe1 Re8 19. Rxe8+ Bxe8 20. Qe3 Bd7 21. Bf3 Kf7 22. Kf2 Qe7 23.
h4 Qxe3+ 24. Kxe3 Be5 25. d4 cxd4+ 26. cxd4 Bxf4+ 27. gxf4 Kf6 28.
Kf2 h6 29. Kg3 Bb5 30. a3 Bd3 31. Bd1 Be4 32. Bb3 g5 33. hxg5+ hxg5
34. Bc4 g4 35. b4 Ke7 36. a4 b6 37. a5 Kf6 38. Kh4 Kg6 39. Kg3 Kh5
40. axb6 axb6 0-1

[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Formanek, Edward"]
[Black "Kuprejanov, George"]
[Result "0-1"]
[ECO "D97"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7.
e4 Na6 8. Be2 c5 9. d5 e6 10. O-O exd5 11. exd5 Bf5 12. Rd1 Qb6 13.
h3 Rad8 14. g4 Bc8 15. a3 Ne8 16. Qf4 Nd6 17. Na4 Qc7 18. Be3 b6
19. Nc3 Qe7 20. Re1 Nc7 21. Rad1 Bb7 22. Qa4 Bxc3 23. bxc3 Nxd5 24.
Bd2 Qf6 25. Bg5 Qxc3 26. Rd3 Qg7 27. Bxd8 Rxd8 28. Red1 Qb2 29.
R3d2 Nc3 30. Rxb2 Nxa4 31. Rc2 Kg7 32. Kf1 Kf6 33. Ne1 Ke7 34. Bb5
Be4 35. Bxa4 Bxc2 36. Bxc2 c4 37. Ng2 b5 38. Ne3 a5 39. Nd5+ Kf8
40. Nc7 b4 41. Nb5 Nb7 42. Rxd8+ Nxd8 43. Ke2 Ke7 44. Kd2 Ne6 45.
Nd4 Nxd4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Hambleton, I."]
[Black "Piasetski, Leon"]
[Result "1-0"]
[ECO "A16"]

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 "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Zaradic, Anthony"]
[Black "Pakosta, Stan"]
[Result "0-1"]
[ECO "A85"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Be7 5. Bg2 O-O 6. Nf3 d6 7. O-O
Nc6 8. d5 Ne5 9. Nd4 Nxc4 10. dxe6 c6 11. b3 Ne5 12. f4 Neg4 13.
Nxf5 Bxe6 14. Nxe7+ Qxe7 15. e4 d5 16. Qd4 dxe4 17. Nxe4 Nxe4 18.
Bxe4 Rfd8 19. Qc3 Bd5 20. Bf5 Qe2 21. Qb2 Re8 22. h3 Re3 23. Qxe2
Rxg3+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Aspler, G."]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "A58"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7.
Nf3 g6 8. g3 Bg7 9. Bg2 O-O 10. O-O Nbd7 11. Re1 Qb6 12. e4 Ng4 13.
Qc2 Rfb8 14. h3 Nge5 15. Nxe5 Nxe5 16. b3 Nd3 17. Rd1 c4 18. Be3
Qb4 19. Bd2 Qc5 20. Rf1 cxb3 21. axb3 Nb4 22. Qb2 Rc8 23. Qa3 Bxc3
24. Bxc3 Qxc3 25. Rfc1 Qd4 26. Bf1 Rc2 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Warner, E."]
[Black "Browne, Walter S."]
[Result "0-1"]
[ECO "A75"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3
Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4 11. Nd2 Bxe2 12. Qxe2 Nbd7 13.
Nc4 Nb6 14. Bg5 Re8 15. Rfe1 Qc7 16. Nxb6 Qxb6 17. a5 Qc7 18. Qd2
c4 19. Rac1 Qxa5 20. Qf4 Qd8 21. Qh4 h6 22. Bxh6 Bxh6 23. Qxh6 Ng4
24. Qd2 Rc8 25. Qd4 Qh4 26. h3 Ne5 27. Ra1 Nd3 28. Re2 Re5 29. Qb6
Rg5 30. Qxd6 Rxg2+ 31. Kxg2 Nf4+ 32. Kf3 Qxh3+ 33. Kxf4 Qh2+ 34.
Ke3 Qxd6 35. Rh1 g5 36. Kd2 Qf4+ 37. Kc2 b5 38. Rhe1 b4 39. Nd1 Rc5
40. Kb1 c3 41. Rc2 Qc7 42. bxc3 bxc3 43. Kc1 Qa5 44. Ne3 Qa1# 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Ervin, Roy C."]
[Black "Durrant, E."]
[Result "1-0"]
[ECO "B70"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 g6 6. h3 Bg7 7. g4
O-O 8. g5 Nfd7 9. f4 e5 10. Nde2 exf4 11. Bxf4 Ne5 12. Nd4 Nbc6 13.
Ndb5 Be6 14. Qxd6 Qb6 15. O-O-O a6 16. Nc7 Rad8 17. N7d5 Qf2 18.
Bxe5 Rxd6 19. Bxd6 Rd8 20. Bc7 Rd7 21. Bb6 Qh4 22. Bd3 Qxg5+ 23.
Kb1 Qe5 24. h4 h5 25. Bc4 Bg4 26. Rdf1 Nd4 27. Rf2 Nf3 28. Rhf1 Qg3
29. Na4 Qe5 30. Nac3 Qg3 31. Na4 Qxh4 32. Nc5 Rd6 33. Nd3 Qh3 34.
N3f4 Qh4 35. c3 Ne5 36. Bb3 Rd7 37. Bd4 Qd8 38. Bxe5 Bxe5 39. Nxg6
fxg6 40. Nf6+ Kg7 41. Nxd7 Bxd7 42. Rf7+ Kh6 43. Rd1 Qh4 44. Rfxd7
Qxe4+ 45. Bc2 Qf3 46. Rg1 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Zeidaks, Andris"]
[Black "MacPhail, John"]
[Result "0-1"]
[ECO "B50"]

1. e4 c5 2. Nf3 d6 3. Be2 Nc6 4. O-O Nf6 5. Nc3 e6 6. d4 cxd4 7.
Nxd4 Be7 8. Kh1 Bd7 9. f4 O-O 10. f5 e5 11. Nf3 h6 12. Qe1 a6 13.
g4 Nd4 14. g5 hxg5 15. Nxg5 Bc6 16. Qh4 d5 17. Bd3 dxe4 18. Bxe4
Qd7 19. Bxc6 Qxc6+ 20. Nce4 Nxc2 21. Rf3 Rfd8 22. Bd2 Nxa1 23.
Nxf6+ Bxf6 24. Qh7+ Kf8 25. Bb4+ Ke8 26. Qg8+ Kd7 27. Qxf7+ Kc8 28.
Kg1 Qb6+ 29. Kg2 Qxb4 30. Ne6 Qg4+ 31. Kf2 Rd2+ 32. Ke1 Rd1+ 33.
Ke2 Qg2+ 34. Rf2 Rd2+ 35. Kxd2 Qxf2+ 36. Kd3 Qf3+ 37. Kd2 Qf2+ 38.
Kd3 e4+ 39. Kxe4 Qe2+ 40. Kf4 Qxh2+ 41. Kf3 Qh3+ 42. Kf4 Qf1+ 43.
Ke3 Qc1+ 44. Kf2 Qxb2+ 45. Kf3 Qc3+ 46. Kg4 Kb8 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Avery, Robert W."]
[Black "Prystenski, Arthur"]
[Result "0-1"]
[ECO "A95"]

1. c4 f5 2. g3 Nf6 3. Nf3 e6 4. Bg2 d5 5. d4 Be7 6. O-O O-O 7. Nc3
c6 8. Bg5 Ne4 9. Bxe7 Qxe7 10. Qb3 Nd7 11. e3 Qe8 12. Rfd1 Qh5 13.
Nd2 Ng5 14. h4 Ne4 15. cxd5 exd5 16. Ncxe4 fxe4 17. Bxe4 Qf7 18.
Bf3 Nb6 19. Kg2 Be6 20. Qc3 Rae8 21. Rf1 Nc4 22. Be2 Nxd2 23. Qxd2
Qf5 24. g4 Qg6 25. h5 Qf6 26. f4 g6 27. Rh1 Re7 28. Rh3 Bf7 29.
hxg6 Bxg6 30. Bd3 Rg7 31. Kf2 c5 32. Bxg6 Qxg6 33. dxc5 Qxg4 34.
Qxd5+ Kh8 35. Rah1 Qg6 36. Rc1 Rgf7 37. c6 bxc6 38. Qxc6 Rf6 39.
Qd5 Rg8 40. Rd1 Qc2+ 41. Rd2 Qg6 42. Rd1 Qc2+ 43. Rd2 Qg6 44. Rh1
Rd6 45. Rxh7+ Kxh7 46. Qxd6 Qg2+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Lee, John"]
[Black "Zimanyi, P."]
[Result "1-0"]
[ECO "B54"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Bd7 5. Nc3 Nc6 6. Be3 Nf6 7.
Be2 e6 8. Qd2 a6 9. a4 Be7 10. O-O O-O 11. f4 Nxd4 12. Bxd4 Bc6 13.
Qe3 Qd7 14. a5 Rac8 15. Rad1 Ne8 16. Qg3 Bf6 17. e5 Be7 18. Bd3 g6
19. f5 dxe5 20. fxg6 Qxd4+ 21. Kh1 fxg6 22. Bxg6 Qh4 23. Rxf8+ Kxf8
24. Rf1+ Kg7 25. Rf7+ Kh8 26. Qxh4 Bxh4 27. Rxh7+ Kg8 28. Rxh4 Nf6
29. h3 Kg7 30. Bd3 Nd5 31. Rg4+ Kf7 32. Ne4 Rf8 33. Rg5 Nb4 34.
Rxe5 Nxd3 35. cxd3 Rd8 36. Nc5 Rd5 37. Rxd5 Bxd5 38. Kg1 Kg6 39.
Kf2 Kf5 40. g3 Ke5 41. Ke3 Bg2 42. h4 Kd6 43. h5 Bh3 44. Nxb7+ Kc7
45. h6 Bf5 46. Nc5 Kd6 47. g4 Bg6 48. b4 Ke5 49. Nd7+ Kd5 50. h7
Bxh7 51. Nf6+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Vranesic, Zvonko"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D59"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bh4
b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Be2 Be6 12. Rc1 c5
13. dxc5 bxc5 14. Qa4 Rc8 15. Qa3 Nd7 16. O-O Kf8 17. Rfd1 Rcb8 18.
b3 a5 19. Rd2 Rb4 20. Ne1 a4 21. Nd3 Rbb8 22. Nxc5 Nxc5 23. Qxc5
Qxc5 24. Rxc5 axb3 25. axb3 Rxb3 26. h3 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Suttles, Duncan"]
[Black "Barnes, Craig"]
[Result "1-0"]
[ECO "A26"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. d3 Nc6 6. Rb1 a5 7. a3 f5
8. Bd2 Nf6 9. b4 axb4 10. axb4 O-O 11. b5 Nd4 12. Qc1 f4 13. gxf4
Nh5 14. fxe5 dxe5 15. Bg5 Bf6 16. Bd5+ Kh8 17. h4 Nf4 18. Bxf4 exf4
19. h5 g5 20. Kf1 Qe7 21. Be4 Qc5 22. h6 Be5 23. Rh5 Bf6 24. Nd5
Bg4 25. Nxf6 Rxf6 26. Rh2 Re8 27. Qb2 b6 28. Ra1 Qe5 29. Ra2 f3 30.
exf3 Qxh2 31. Qxd4 Qxh6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Browne, Walter S."]
[Black "Murray, Peter"]
[Result "1-0"]
[ECO "C42"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7.
O-O Nc6 8. Nc3 Nxc3 9. bxc3 Bg4 10. Rb1 Rb8 11. Re1 O-O 12. Bf4 Qd7
13. Re3 g5 14. Bg3 f5 15. Be5 f4 16. Re1 Bf6 17. Bxf6 Rxf6 18. h3
Bh5 19. Ne5 Qe8 20. Ng4 Re6 21. Nf6+ Kf7 22. Qxh5+ Kxf6 23. Qh6+
Kf7 24. Qxh7+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Benko, Pal"]
[Black "Ervin, Roy C."]
[Result "1/2-1/2"]
[ECO "D35"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 Be7 7.
Bd3 O-O 8. Qc2 Re8 9. Nge2 c6 10. O-O Nf8 11. Ng3 g6 12. Rab1 a5
13. a3 Ne6 14. Bxf6 Bxf6 15. b4 axb4 16. axb4 Qd6 17. Rfc1 Bd7 18.
b5 Ra5 19. bxc6 bxc6 20. Na4 Rb8 21. Rxb8+ Qxb8 22. Ne2 Qa7 23.
Nac3 Kg7 24. h3 h5 25. Qb2 Qa8 26. Rd1 c5 27. dxc5 Nxc5 28. Bc2 Ba4
29. Bxa4 Nxa4 30. Qd2 Nxc3 31. Nxc3 Bxc3 32. Qxc3+ Kh7 33. Qe5 Qd8
34. Rb1 Ra6 35. Rb7 Qf6 36. Qxd5 Kg7 37. g3 Ra1+ 38. Kg2 Rc1 39.
Qd4 Rc2 40. Qxf6+ Kxf6 41. Kf3 Ra2 42. Rb6+ Ke5 43. g4 hxg4+ 44.
hxg4 g5 45. Kg3 Ra3 46. Rb5+ Kf6 47. Kf3 Ra2 48. Rc5 Kg6 49. Rd5
Rb2 50. e4 Rb3+ 51. Ke2 Rb4 52. Ke3 Rb1 53. f3 Re1+ 54. Kf2 Ra1 55.
e5 Ra3 56. Ke2 Rb3 57. Rd6+ Kg7 58. Rd3 Rb5 59. Re3 Rd5 60. Re4 Kf8
61. f4 gxf4 62. Kf3 Kg7 63. Kxf4 Rd1 64. Kf5 Rf1+ 65. Rf4 Re1 66.
g5 Ra1 67. Rg4 Rf1+ 68. Ke4 Kg6 69. Rf4 Re1+ 70. Kd5 Rd1+ 71. Kc6
Re1 72. Kd6 Rd1+ 73. Ke7 Rd5 74. Re4 Kxg5 75. Kxf7 Kf5 76. e6 Kxe4
77. e7 Re5 78. e8=Q Rxe8 79. Kxe8 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Zuk, Robert D."]
[Black "Pakosta, Stan"]
[Result "1-0"]
[ECO "C64"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7.
d4 c6 8. Bc4 d6 9. f4 Nf6 10. Qd3 Qe7 11. fxe5 dxe5 12. Be3 Be6 13.
Nd2 Ng4 14. Bxe6 Qxe6 15. Nc4 Nxe3 16. Nxe3 O-O-O 17. Nc4 Bxd4+ 18.
cxd4 Rxd4 19. Qg3 Qxc4 20. Qxg7 Rhd8 21. Qxe5 Rxe4 22. Qf5+ Rd7 23.
Qxh7 Kc7 24. h3 Re2 25. b3 Qd5 26. Qg7 Kb6 27. Kh1 a5 28. Rf3 Rde7
29. a4 Re1+ 30. Rxe1 Rxe1+ 31. Kh2 f5 32. Qg3 Re5 33. Rd3 Qe4 34.
Rd7 Rd5 35. Qc7+ Kc5 36. Qxa5+ Kd4 37. Qd2+ Kc5 38. Qf2+ Kb4 39.
Rxb7+ Ka3 40. Qf3 Qe5+ 41. Qg3 f4 42. Qg7 Qe1 43. Qf8+ c5 44. Qxf4
Rd1 45. Rf7 Qh1+ 46. Kg3 Rd3+ 47. Kf2 Rxb3 48. Qe4 Qc1 49. a5 Qd2+
50. Kg1 Qxa5 51. Rf1 Qb6 52. Ra1+ Kb2 53. Qe5+ Kc2 54. Ra2+ Kd3 55.
Qe2+ Kc3 56. Rc2+ Kb4 57. Qc4+ Ka3 58. Qxc5+ 1-0

[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Macskasy, Elod"]
[Black "Bone, Eric D."]
[Result "0-1"]
[ECO "E00"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Nbd7 5. Bg2 c6 6. O-O Bd6 7.
Nbd2 O-O 8. Qc2 b5 9. cxb5 cxb5 10. Qc6 Qb6 11. Qxa8 Nb8 12. e4 Bc7
13. a4 Bb7 14. a5 Qa6 15. Qxb7 Qxb7 16. e5 Nfd7 17. Nb3 Nc6 18. Bd2
a6 19. Rfc1 Bb8 20. Rc2 Rc8 21. Rac1 Ne7 22. Rxc8+ Nxc8 23. Ne1 Ne7
24. Nd3 Ba7 25. Bb4 Nc6 26. Bd6 g5 27. Nb4 Nxb4 28. Rc7 Qxc7 29.
Bxc7 Nc6 30. Kf1 Nxd4 31. Nd2 Nc6 32. f4 gxf4 33. gxf4 Be3 34. Nb3
Bxf4 35. h3 Bxe5 36. Bxe5 Ndxe5 37. Nc5 Nc4 38. Nxa6 N6xa5 39. b4
Nc6 40. Ke2 Kg7 41. Kd3 Kf6 42. Kc3 Ke5 43. Nc7 Ne3 44. Bf3 Nd4 45.
Bh5 f5 46. Be8 f4 47. Nxb5 Nxb5+ 48. Bxb5 d4+ 49. Kb3 f3 50. Bd3 f2
51. b5 f1=Q 52. Bxf1 Nxf1 53. b6 Kd6 54. Kc4 e5 55. Kb5 Ne3 56. Ka6
Nd5 57. b7 Nb4+ 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Franett, Mike"]
[Black "Formanek, Edward"]
[Result "0-1"]
[ECO "A58"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7.
Nf3 Bg7 8. Nd2 O-O 9. e4 Bxf1 10. Nxf1 Qa5 11. Bd2 d6 12. Ne3 Qa6
13. Qe2 Nfd7 14. Nc4 Ne5 15. Nxe5 Bxe5 16. Qxa6 Nxa6 17. Ke2 Rfb8
18. Nd1 Nb4 19. a4 Nc2 20. Ra2 Nd4+ 21. Kd3 f5 22. Ne3 Rb3+ 23. Bc3
Nb5 24. axb5 Rxa2 25. Kc4 Raxb2 26. Bxb2 Rb4+ 27. Kd3 fxe4+ 28. Kd2
Rxb2+ 29. Nc2 c4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Gadia, O."]
[Black "Zaradic, Anthony"]
[Result "0-1"]
[ECO "C00"]

1. e4 e6 2. d3 d5 3. Nd2 e5 4. Ngf3 Nc6 5. g3 Be6 6. Bg2 f6 7. O-O
Qd7 8. exd5 Bxd5 9. Ne4 O-O-O 10. Be3 Kb8 11. Qe2 h5 12. h4 Nh6 13.
Rfd1 Ng4 14. c4 Be6 15. d4 Nxe3 16. fxe3 exd4 17. Nxd4 Nxd4 18.
Rxd4 Qc8 19. Rad1 Be7 20. Rxd8 Bxd8 21. Nc5 Bg4 22. Bf3 Be7 23. b4
Bd6 24. Qg2 Bxf3 25. Qxf3 Re8 26. Rd5 b6 27. Nd3 Qe6 28. c5 Bxg3
29. c6 Bd6 30. Rxh5 Qxa2 31. Qg2 Qb1+ 32. Qf1 Qc2 33. Nf4 Qxc6 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Berry, F. Jonathan"]
[Black "Muskat, R."]
[Result "1-0"]
[ECO "B99"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13.
f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Bh3 b4 17. Nd5 exd5 18. exd5
Nd7 19. Rhe1+ Ne5 20. Rxe5+ dxe5 21. d6 Bb7 22. dxc7 Bxf3 23. Nxf3
Bh6+ 24. Kb1 O-O 25. Nh4 Bf4 26. Nf5 Bxh2 27. Ne7+ Kh8 28. c8=Q
Raxc8 29. Bxc8 a5 30. Bf5 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Vitanyi, Leslie"]
[Black "Waterman, Dennis"]
[Result "0-1"]
[ECO "A25"]

1. g3 e5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. Nf3 f5 6. d3 d6 7. O-O
Nf6 8. Ne1 O-O 9. e3 Be6 10. b3 d5 11. Nc2 Ne7 12. Ba3 Rf7 13. Qe1
g5 14. f4 gxf4 15. exf4 e4 16. Nd4 Bc8 17. Rd1 Qe8 18. dxe4 dxe4
19. Ncb5 Ng6 20. Nc2 a6 21. Nbd4 h5 22. Ne3 Ng4 23. Nd5 Be6 24.
Nxe6 Qxe6 25. h3 Nf6 26. Nxf6+ Qxf6 27. h4 Bf8 28. Bxf8 Nxf8 29.
Qe2 Qg6 30. Kh2 Nd7 31. Rd2 Nc5 32. Qe3 b6 33. Rfd1 a5 34. Rd5 Kh7
35. a3 Raf8 36. b4 axb4 37. axb4 Nd3 38. Rb1 c6 39. Rd4 Nxb4 40.
Rxe4 c5 41. Re5 Rd8 42. Re6 Rf6 43. Rxf6 Qxf6 44. Qe2 Kh6 45. Bf3
Qg6 46. Re1 Nd3 47. Rd1 Rg8 48. Qg2 Nb2 49. Re1 Nd3 50. Re3 Nb4 51.
Bd5 Re8 52. Qe2 Rxe3 53. Qxe3 Qd6 54. Qe5 Qxe5 55. fxe5 Kg6 56. Kg2
b5 57. Kf3 bxc4 58. Bxc4 Nc2 59. Kf4 Nd4 60. Bd5 Ne2+ 61. Kf3 Nd4+
62. Ke3 Kg7 63. Kd3 Kg6 64. Kc4 Ne2 65. Kxc5 Nxg3 66. e6 Kf6 67.
Kd6 f4 68. Kd7 Nf5 69. Bf3 Ng7 70. e7 Kg6 71. Be2 Kf5 72. Bxh5 Nxh5
73. Kd6 Ng7 74. h5 Kg5 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Spassky, Boris"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[ECO "B06"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. f4 Nf6 5. Bd3 e5 6. Nf3 exd4 7. cxd4
O-O 8. Nc3 c5 9. dxc5 dxc5 10. O-O Nc6 11. e5 Nd5 12. Ne4 Bg4 13.
Nd6 Ndb4 14. Be4 Qb6 15. Be3 Rad8 16. a3 Na6 17. b4 Nxe5 18. fxe5
Bxe5 19. Nxe5 Bxd1 20. Nec4 Qc7 21. Raxd1 cxb4 22. Bxb7 Nc5 23. Bd5
bxa3 24. Nb5 Qe7 25. Nbxa3 Ne6 26. Nb5 Qb4 27. Nba3 Qe7 28. Nb5 Qb4
29. Nba3 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Suttles, Duncan"]
[Black "Zuk, Robert D."]
[Result "1-0"]
[ECO "A00"]

1. g3 g6 2. Bg2 Bg7 3. d3 d6 4. c4 e5 5. Nc3 f5 6. Rb1 Nf6 7. Bd2
Nc6 8. b4 O-O 9. Qc1 Nd4 10. h4 c6 11. Nh3 Qe7 12. Bg5 Qf7 13. b5
Bd7 14. a4 Rae8 15. Be3 Bc8 16. a5 a6 17. bxa6 bxa6 18. O-O Qc7 19.
Rb6 Bb7 20. Qb2 Ba8 21. Qa2 Kh8 22. Rfb1 Nd7 23. Rxa6 Rb8 24. Rxb8
Rxb8 25. Bxd4 exd4 26. Nb5 Qc8 27. Rxa8 Rxa8 28. Nxd6 Qc7 29. Nf7+
Kg8 30. c5 Nf6 31. Nhg5 Rxa5 32. Nh6+ Kf8 33. Nxh7+ Ke7 34. Qf7+
Kd8 35. Qxg6 Ra1+ 36. Kh2 f4 37. Nxf6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Formanek, Edward"]
[Black "Kavalek, Lubomir"]
[Result "1-0"]
[ECO "B93"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7.
Bd3 Nbd7 8. Nf3 b5 9. O-O Bb7 10. Qe1 e5 11. Kh1 g6 12. fxe5 dxe5
13. Qh4 h6 14. Bd2 Be7 15. Qe1 Nc5 16. b4 Nxd3 17. cxd3 Rd8 18. Qe2
Nh5 19. Rac1 Qb8 20. Nd5 Bxd5 21. exd5 Rxd5 22. d4 O-O 23. Nxe5 Bf6
24. Nxg6 Re8 25. Qg4 Bg7 26. Ne5 Rxd4 27. Qxh5 Qxe5 28. Qxf7+ Kh7
29. Bc3 Red8 30. Rce1 Qg5 31. Bxd4 Rxd4 32. a3 Rd2 33. Qf5+ Qxf5
34. Rxf5 Ra2 35. Rf3 Bb2 36. Rf2 Kg6 37. Rb1 Rxa3 38. Rfxb2 h5 39.
g3 Kg5 40. Kg2 Kg4 41. h3+ Kg5 42. Rb3 Ra2+ 43. R1b2 Ra1 44. Rb1
Ra2+ 45. R1b2 Ra1 46. Kf2 Rh1 47. Kg2 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Ervin, Roy C."]
[Black "Wuntschek, S."]
[Result "1-0"]
[ECO "C51"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a5 6. b5 Nce7 7.
Nxe5 d5 8. exd5 Bd4 9. Nxf7 Kxf7 10. c3 Nxd5 11. Qh5+ Ke6 12. Qg4+
Kf7 13. Qxd4 Nf6 14. O-O Re8 15. d3 h6 16. Nd2 Bf5 17. f3 Kg6 18.
Ne4 Nb6 19. Nxf6 Qxd4+ 20. cxd4 Kxf6 21. Bf4 Re7 22. Be5+ Kg6 23.
g4 Bc8 24. Kg2 Nxc4 25. dxc4 Be6 26. c5 Rf8 27. Kg3 Rd7 28. f4 Bd5
29. h4 Re8 30. f5+ Kf7 31. Rf2 Kg8 32. g5 Rf8 33. g6 Be4 34. Kg4
Bd5 35. Ra3 c6 36. Re3 Bc4 37. bxc6 bxc6 38. Bd6 Rfd8 39. Rb2 Ra8
40. Rb1 Kh8 41. Rbe1 Bg8 42. Re8 Rxe8 43. Rxe8 Rd8 44. Re7 Re8 45.
f6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Barnes, Craig"]
[Black "Dobrich, Walter"]
[Result "1-0"]
[ECO "C56"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7.
Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bg5 h6 11. Bh4 Bb4 12. Re2 Qb6
13. c3 dxc3 14. bxc3 Ba3 15. Qd3 O-O 16. Neg5 hxg5 17. Nxg5 Bf5 18.
Qxf5 g6 19. Qh3 Qb5 20. Rae1 Rad8 21. c4 Qxc4 22. Re4 Qc5 23. R4e3
Qa5 24. Nh7 Rd3 25. Nxf8 Qxe1+ 26. Rxe1 Rxh3 27. gxh3 Nd4 28. Re8
f6 29. Ne6+ Kf7 30. Nxd4 Kxe8 31. Bxf6 Bb2 32. Be5 Kf7 33. Kf1 c5
34. Nf3 Ba3 35. Ke2 Ke6 36. Bb8 a6 37. Kd3 b5 38. Ke4 a5 39. Ba7 c4
40. Bb6 b4 41. Bxa5 b3 42. axb3 cxb3 43. Kd3 Kd5 44. Bd2 Bb2 45.
Bc3 Ba3 46. h4 b2 47. Kc2 Ke4 48. Ne1 Kf4 49. h3 Ke4 50. Bxb2 Be7
51. Kd2 Bxh4 52. f3+ Kf5 53. Ng2 Bd8 54. h4 Be7 55. Bg7 Bd8 56. Kd3
Ba5 57. Bh6 Bd8 58. Ne3+ Ke5 59. f4+ Ke6 60. Bg5 Ba5 61. Ke4 Be1
62. Ng4 Kf7 63. Ke5 Bc3+ 64. Kd6 Bd2 65. Ne5+ Kg7 66. Ke6 Bc3 67.
Bf6+ Kh7 68. Kf7 Bd2 69. Nxg6 Be1 70. Bg5 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Pakosta, Stan"]
[Black "Piasetski, Leon"]
[Result "0-1"]
[ECO "A02"]

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 "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Zaradic, Anthony"]
[Black "Janicki, Paul"]
[Result "1/2-1/2"]
[ECO "C12"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. e4 Bb4 5. e5 h6 6. Bd2 Bxc3 7.
bxc3 Ne4 8. Bd3 Nxd2 9. Qxd2 c5 10. f4 Nc6 11. Nf3 Qa5 12. Rd1 c4
13. Be2 Qxa2 14. O-O Qa3 15. Nh4 Qe7 16. Qe1 g6 17. g4 Rg8 18. Kh1
g5 19. Ng2 Bd7 20. f5 exf5 21. gxf5 O-O-O 22. Ne3 Be8 23. Bf3 g4
24. Bxd5 Qg5 25. Qg3 b5 26. Bg2 h5 27. d5 h4 28. Qxg4 Qxg4 29. Nxg4
Rxg4 30. dxc6 Rxd1 31. Rxd1 h3 32. Bd5 Rf4 33. f6 Kc7 34. Kg1 Rf5
35. Ra1 Bxc6 36. Bxf7 Rxe5 37. Rxa7+ Kb6 38. Re7 Rf5 39. Re6 Kc5
40. Re3 Rxf6 41. Be6 Rg6+ 42. Kf1 Bg2+ 43. Kf2 Rh6 44. Bg4 b4 45.
Re5+ Kd6 46. Ra5 bxc3 47. Ke3 Rh8 48. Rg5 Rh4 49. Kf4 Rh8 50. Ke3
Rh4 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Lebel, R."]
[Black "Cullmes, A."]
[Result "1-0"]
[ECO "C44"]

1. e4 e5 2. Nf3 Nc6 3. b3 Bc5 4. Bb2 d6 5. Bb5 Bd7 6. d4 Nxd4 7.
Bxd7+ Qxd7 8. Nxd4 exd4 9. Bxd4 Bxd4 10. Qxd4 Nf6 11. c4 O-O 12.
Nc3 Rfe8 13. O-O-O Qg4 14. f3 Qf4+ 15. Kb1 a6 16. g3 Qxf3 17. Rhf1
Qg4 18. Rf4 Qe6 19. Rdf1 Qe5 20. Qd3 c5 21. Qf3 Rab8 22. g4 h6 23.
h4 b5 24. Rf5 Qe6 25. e5 dxe5 26. g5 hxg5 27. hxg5 Nh7 28. Ne4 Rbc8
29. Nf6+ Nxf6 30. gxf6 g6 31. Qh3 Red8 32. Qh6 Rd1+ 33. Kc2 Qxf6
34. Rxf6 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.01"]
[Round "9"]
[White "Formanek, Edward"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "C18"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7.
Qg4 O-O 8. h4 Nbc6 9. Nf3 f6 10. Bd3 Qe8 11. Bh6 Qf7 12. exf6 Qxf6
13. Bg5 Qf7 14. Bxe7 Qxe7 15. Qh5 g6 16. Qg5 Qxg5 17. hxg5 c4 18.
Be2 Rf5 19. g3 Bd7 20. O-O Nd8 21. Kg2 Ba4 22. Rac1 Nf7 23. Nh4
Rxg5 24. f4 Rf5 25. g4 Rf6 26. g5 Rf5 27. Nxf5 gxf5 28. Rh1 Kg7 29.
Rh3 Rh8 30. Bf3 b6 31. Kf2 Bd7 32. Ke3 Nd6 33. Kd2 Be8 34. Rch1
Ne4+ 35. Bxe4 fxe4 36. Ke3 Bg6 37. Rb1 Rb8 38. Rhh1 Kf8 39. Rh2 Ke8
40. Rhh1 Kd7 41. Rb2 Kc6 42. Rb4 Rb7 43. Rh3 Rb8 44. Rh4 Kd6 45.
Rh6 Rb7 46. Rh1 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.01"]
[Round "9"]
[White "Ree, Hans"]
[Black "Suttles, Duncan"]
[Result "1/2-1/2"]
[ECO "B07/01"]

1. d4 d6 2. e4 g6 3. c3 Nf6 4. Bd3 e5 5. Nf3 Nbd7 6. O-O Bg7 7. Re1
O-O 8. Nbd2 Nh5 9. Bf1 Nb6 10. a4 a5 11. Nc4 Nxc4 12. Bxc4 Bg4 13.
Be3 Qf6 14. h3 Bxf3 15. Qxf3 Qxf3 16. gxf3 Kh8 17. dxe5 Bxe5 18.
Bh6 Bg7 19. Bd2 Be5 1/2-1/2

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.01"]
[Round "9"]
[White "Zuk, Robert D."]
[Black "Barnes, Craig"]
[Result "1-0"]
[ECO "B30"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. O-O Nge7 7.
Nbd2 O-O 8. Re1 d5 9. Qe2 Qc7 10. e5 Bd7 11. Nb3 b6 12. Bf4 Rac8
13. c3 Rfd8 14. h4 h6 15. Bh3 Nb8 16. Nbd2 Bb5 17. Nf1 Qb7 18. N1h2
Kh7 19. Ng4 Ng8 20. Bg2 Qd7 21. Qd2 Nc6 22. Bh3 Qe7 23. Kg2 Nb8 24.
d4 Nc6 25. Bg5 hxg5 26. hxg5 cxd4 27. cxd4 Qb4 28. Qf4 Nge7 29.
Nf6+ Bxf6 30. gxf6 Nf5 31. Bxf5 exf5 32. Rh1+ 1-0

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.01"]
[Round "9"]
[White "Hambleton, I."]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "A21"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. Nf3 f5 6. d3 Nf6 7. Rb1
O-O 8. Bd2 h6 9. h4 Nh5 10. Nh2 c6 11. b4 f4 12. g4 Nf6 13. e4 g5
14. h5 Be6 15. Bf3 Na6 16. O-O Qd7 17. a4 Rf7 18. Qe2 Kh7 19. Kh1
Rg8 20. Rg1 Bf8 21. Rg2 Rfg7 22. b5 Nc5 23. Rbg1 Bf7 24. Bc1 Nb3
25. Bb2 Nd4 26. Qd1 Be6 27. Nb1 Nxf3 28. Qxf3 Nxh5 29. d4 Nf6 30.
dxe5 dxe5 31. Bxe5 Qf7 32. Qc3 Rg6 33. Nd2 Nd7 34. Nhf3 c5 35. Qc2
h5 36. gxh5 Rh6 37. Bb2 g4 38. Nh2 Rxh5 39. e5+ Bf5 40. Qc3 Qe6 41.
Nf1 Be4 42. f3 Bxf3 43. Qd3+ Rg6 44. Qxf3 gxf3 45. Rxg6 Qxg6 46.
Rxg6 Kxg6 47. e6 Nb6 48. Nd2 f2 49. Kg2 Rxh2+ 50. Kxh2 Nxc4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.01"]
[Round "9"]
[White "Franett, Mike"]
[Black "Zaradic, Anthony"]
[Result "0-1"]
[ECO "A99"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3
Qe8 8. b3 Qh5 9. Qd3 Nc6 10. Ba3 a5 11. Nb5 Bd8 12. Nd2 e5 13. e4
f4 14. gxf4 exf4 15. f3 Rf7 16. Rae1 Nb4 17. Qb1 Nd7 18. Bb2 Rf6
19. Rf2 Rh6 20. Nf1 c6 21. Nxd6 Rxd6 22. e5 Re6 23. a3 Na6 24. d5
cxd5 25. cxd5 Re8 26. Rfe2 Bh4 27. e6 Bxe1 28. exd7 Bxd7 29. Qxe1
Qxd5 30. Nd2 Rxe2 31. Qxe2 Re8 32. Ne4 Qxb3 33. Bh3 Bb5 34. Qd2
Qe3+ 35. Qxe3 fxe3 36. Bd4 e2 37. Kf2 Nc7 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.01"]
[Round "9"]
[White "Smook, Roger"]
[Black "Murray, Peter"]
[Result "0-1"]
[ECO "E70"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 c5 7. d5 e6
8. Bd3 Re8 9. Nf3 exd5 10. exd5 Nh5 11. O-O f5 12. Qd2 Nd7 13. Bg5
Ndf6 14. Rfe1 Bd7 15. Nh2 Rxe1+ 16. Rxe1 Qf8 17. f3 h6 18. Be3 Ng3
19. Bf2 Nfh5 20. Ne2 Nxe2+ 21. Rxe2 Be5 22. Re1 Qg7 23. Rb1 Nf4 24.
Bf1 g5 25. Be3 Ng6 26. Be2 Re8 27. Nf1 Bf4 28. Bxf4 Nxf4 29. Bd1
Qe5 30. Kf2 b5 31. b3 Qe1+ 32. Qxe1 Nd3+ 33. Kg1 Rxe1 34. Bc2 Rxb1
35. Bxb1 bxc4 36. bxc4 Ne5 37. Ng3 f4 38. Ne4 Bf5 39. Nd2 Bxb1 40.
Nxb1 Nxc4 41. Nc3 Kf7 42. g3 fxg3 43. Kg2 Kf6 44. Kxg3 Ke5 45. Kg4
Kd4 0-1

[Event "9th Canadian Open"]
[Site "Vancouver"]
[Date "1971.09.02"]
[Round "10"]
[White "Spassky, Boris"]
[Black "Zuk, Robert D."]
[Result "1-0"]
[ECO "E82"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3
Bb7 8. Nge2 c5 9. d5 e6 10. Bg5 h6 11. Bh4 exd5 12. cxd5 Nbd7 13.
O-O a6 14. a4 Ne5 15. f4 Nxd3 16. Qxd3 Qc7 17. Rad1 Rae8 18. Bxf6
Bxf6 19. e5 dxe5 20. Ne4 Bg7 21. f5 Rd8 22. N2c3 gxf5 23. Rxf5 f6
24. Rdf1 Qe7 25. Qg3 Kh8 26. Qh4 Bxd5 27. Nxf6 Bb7 28. Rh5 Rxf6 29.
Rxh6+ Kg8 30. Rfxf6 Bxf6 31. Rxf6 Qg7 32. Qc4+ Kh8 33. Rf3 Rd6 34.
Qh4+ Kg8 35. Qc4+ Kh8 36. Ne4 Rg6 37. Rh3+ Rh6 38. Rd3 Rf6 39. Rg3
Rg6 40. Ng5 Bc8 41. Nf7+ Kh7 42. Qh4+ Kg8 43. Nh6+ 1-0

