[Event "corr"]
[Site "corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Berthelsen, Roald"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "37"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. f3 d5 3. e4 dxe4 4. Nc3 c5 5. d5 exf3 6. Nxf3 g6 7. Bg5 Bg7 8. Bc4 0-0 9. 0-0 a6 10. a4 Nbd7 11. d6 exd6 12. Qxd6 Nb6 13. Qxc5 Nxc4 14. Qxc4 Qb6+ 15. Kh1 Ng4 16. Nd5 Qxb2 17. Rab1 Qa3 18. Be7 Ne3 19. Qh4 1-0

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.09.10"]
[Round "15"]
[White "Opsahl, Haakon"]
[Black "Staudte, Hans Hilmar"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "86"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Germany"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bg5 0-0 6. cxd5 Nxd5 7. Bxe7 Qxe7 8. Nxd5 exd5 9. e3 b6 10. Bd3 Bg4 11. Qc2 Bxf3 12. gxf3 h6 13. 0-0-0 Nd7 14. Kb1 c5 15. dxc5 Rac8 16. Rhg1 Rxc5 17. Qd2 Ne5 18. Be2 Rfc8 19. Rc1 Nc4 20. Bxc4 dxc4 21. Rg4 b5 22. Rd4 R5c7 23. Rd1 Kh7 24. Rd8 Qf6 25. Rxc8 Rxc8 26. f4 a6 27. a3 g6 28. Qc3 Qxc3 29. bxc3 Rc5 30. f3 Rf5 31. Kc2 g5 32. fxg5 Rxf3 33. gxh6 Rxe3 34. Rd6 Re6 35. Rxe6 fxe6 36. Kd2 Kxh6 37. Ke3 e5 38. Ke4 a5 39. Kd5 Kg5 40. h4+ Kxh4 41. Kxe5 b4 42. axb4 axb4 43. Kd4 b3 0-1

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.09.05"]
[Round "12"]
[White "Nielsen, Hartvig"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "113"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Denmark"]
[BlackTeam "Norway"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "NOR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 0-0 10. Rd1 Rb8 11. axb5 axb5 12. d4 Ra8 13. Rxa8 Qxa8 14. Na3 b4 15. Nb5 bxc3 16. bxc3 Qb7 17. Bc4 Na5 18. Bd3 h6 19. h3 Bxf3 20. Qxf3 c6 21. Na3 Nb3 22. Be3 d5 23. Nc2 dxe4 24. Bxe4 Nxe4 25. Qxe4 exd4 26. cxd4 Na5 27. Ne1 Qd7 28. Rc1 f5 29. Qc2 Qd5 30. Nf3 Bf6 31. Qa4 Qb5 32. Qa2+ Qd5 33. Qxd5+ cxd5 34. Rc5 Nb7 35. Rxd5 Bd8 36. Ne5 Bc7 37. f4 Rd8 38. Rxd8+ Bxd8 39. Bc1 Be7 40. Kf2 Bd6 41. Ke3 Kf8 42. d5 Bc7 43. Kd3 Ke7 44. Kc4 Bd6 45. Kb5 g5 46. Nc6+ Kf6 47. Bb2+ Kf7 48. Ne5+ Ke7 49. fxg5 hxg5 50. Kb6 Nc5 51. Kc6 Ne4 52. Nc4 Bf4 53. d6+ Kd8 54. Ne5 Bxe5 55. Bxe5 g4 56. d7 gxh3 57. Bc7+ 1-0

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.09.04"]
[Round "11"]
[White "Opsahl, Haakon"]
[Black "Pilnik, Hermann"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "70"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "ARG"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 Qc7 9. f4 Bd7 10. Bf3 Nc6 11. Nb3 b5 12. a3 Rc8 13. Qe2 0-0 14. Qf2 Be8 15. Rad1 Nd7 16. Ne2 Rb8 17. g4 Nb6 18. Ned4 Nc4 19. Bc1 a5 20. Nxc6 Bxc6 21. Kh1 Qb7 22. Qg2 e5 23. f5 a4 24. Na1 Rfd8 25. c3 Nb6 26. Be3 d5 27. exd5 Rxd5 28. Rxd5 Nxd5 29. Nc2 Nxe3 30. Nxe3 e4 31. Bd1 Bc5 32. Re1 Rd8 33. Bc2 Rd3 34. Qf2 Rxe3 35. Rxe3 Qb6 0-1

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.31"]
[Round "9"]
[White "Opsahl, Haakon"]
[Black "Cortlever, Nicolaas"]
[Result "0-1"]
[ECO "D79"]
[PlyCount "66"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 0-0 6. Bg2 c6 7. cxd5 cxd5 8. 0-0 Nc6 9. h3 Ne4 10. Bf4 Nxc3 11. bxc3 Na5 12. Nd2 Be6 13. e4 Rc8 14. exd5 Bxd5 15. Bxd5 Qxd5 16. Rc1 Qxa2 17. Re1 e6 18. Ne4 Qd5 19. Bh6 Nc4 20. Bxg7 Kxg7 21. f4 Rc6 22. Re2 Rfc8 23. Qe1 Nd6 24. Nxd6 Qxd6 25. Kf2 b5 26. Ra2 b4 27. Qe5+ Qxe5 28. dxe5 Rxc3 29. Rxc3 bxc3 30. Rc2 Kf8 31. Ke2 Ke7 32. Kd1 Kd7 33. Kc1 Kc6 0-1

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.30"]
[Round "8"]
[White "Evans, Larry Melvyn"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "161"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Norway"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "NOR"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 Be7 6. Qc2 0-0 7. cxd5 exd5 8. Nf3 c6 9. Bd3 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. b4 a6 14. a4 Nxc3 15. Qxc3 Bg4 16. Nd2 Qg5 17. Rfc1 Re6 18. b5 axb5 19. axb5 Bh3 20. g3 Rae8 21. bxc6 bxc6 22. Bf1 Bxf1 23. Nxf1 Ng6 24. Rb6 Ne7 25. Qb4 h5 26. Rb8 Rxb8 27. Qxb8+ Kh7 28. Qf4 Qxf4 29. gxf4 g6 30. Nd2 Rd6 31. Kf1 Kg7 32. Ra1 Rd7 33. Nb3 Rb7 34. Nc5 Rb2 35. Ra7 Kf6 36. Ra6 Rb1+ 37. Kg2 Rb2 38. Ra7 Rb1 39. Rc7 Ra1 40. Nd3 Ke6 41. Nc5+ Kf6 42. Nd7+ Ke6 43. Nf8+ Kf6 44. Nh7+ Ke6 45. Ng5+ Kd6 46. Rb7 f6 47. Nh7 Ke6 48. Nf8+ Kf7 49. Nxg6 Kxg6 50. Rxe7 Kf5 51. Rc7 Rc1 52. Rc8 Kg6 53. Kg3 Rc2 54. h4 Kf5 55. Rh8 Kg6 56. f5+ Kxf5 57. Rxh5+ Kg6 58. Rh8 Kf5 59. Rg8 Rc1 60. Kg2 Ra1 61. h5 Ra7 62. Rg3 Rh7 63. Rh3 Kg5 64. Kf3 Rh6 65. Rh1 Kf5 66. Kg3 Kg5 67. Rh4 Kf5 68. Rf4+ Kg5 69. Rg4+ Kf5 70. Kh4 Rh8 71. Rg7 Ra8 72. h6 Ra1 73. Rg3 Rh1+ 74. Rh3 Rg1 75. Rf3+ Kg6 76. Rg3+ Rxg3 77. Kxg3 Kxh6 78. Kg4 Kg6 79. Kf4 Kg7 80. Kf5 Kf7 81. f3 1-0

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.29"]
[Round "7"]
[White "Opsahl, Haakon"]
[Black "Lambert, Hans"]
[Result "0-1"]
[ECO "E53"]
[PlyCount "104"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Austria"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "AUT"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Bd3 d5 7. 0-0 Nbd7 8. Qc2 cxd4 9. exd4 dxc4 10. Bxc4 a6 11. a3 Be7 12. Bg5 h6 13. Bh4 b5 14. Ba2 Bb7 15. Ne5 Rc8 16. Qe2 Nb6 17. Rad1 Nfd5 18. Nxd5 Nxd5 19. Bg3 Bh4 20. Bb1 Bxg3 21. hxg3 Qg5 22. Nf3 Qh5 23. Qd3 Nf6 24. Rfe1 Qd5 25. Re5 Qc4 26. Qd2 Rfd8 27. Bd3 Qb3 28. Re3 Qd5 29. Re5 Qd6 30. Re2 Kf8 31. Bb1 Bxf3 32. gxf3 Rc4 33. Re3 Rxd4 34. Rd3 Rxd3 35. Qxd3 Qxd3 36. Rxd3 Rxd3 37. Bxd3 Nd5 38. Kf1 Ke7 39. a4 Nc7 40. axb5 axb5 41. Ke2 Kd6 42. Kd2 Kc5 43. Be2 Nd5 44. Kd3 Nf6 45. Kc3 b4+ 46. Kd3 h5 47. f4 Ng4 48. f3 Nf2+ 49. Ke3 Nh1 50. g4 h4 51. Bf1 Ng3 52. Bh3 Kc4 0-1

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.27"]
[Round "6"]
[White "Pinzon Solis, Felipe"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "31"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Peru"]
[BlackTeam "Norway"]
[WhiteTeamCountry "PER"]
[BlackTeamCountry "NOR"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 dxc4 5. e4 Bg7 6. Bxc4 0-0 7. Nge2 c6 8. 0-0 Qa5 9. e5 Nd5 10. Bxd5 cxd5 11. Bxe7 Re8 12. b4 Qc7 13. Bd6 Qc4 14. Rc1 Be6 15. Nf4 Na6 16. b5 1-0

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.25"]
[Round "5"]
[White "Opsahl, Haakon"]
[Black "Crepeaux, Robert"]
[Result "1/2-1/2"]
[ECO "E28"]
[PlyCount "90"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "France"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "FRA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. f3 e4 10. fxe4 Bg4 11. 0-0 Qe7 12. Rf4 Nd8 13. Qc2 Bxe2 14. Qxe2 Ne6 15. Rf5 g6 16. Rf1 Ng5 17. e5 dxe5 18. e4 Ne6 19. Be3 Rad8 20. d5 Nf4 21. Bxf4 exf4 22. Rxf4 Qe5 23. Qd2 c6 24. Raf1 Nh5 25. R4f3 b5 26. Qf2 Qxc3 27. cxb5 cxd5 28. g4 Ng7 29. Rxf7 Qxa3 30. Qf6 Rxf7 31. Qxd8+ Rf8 32. Qxd5+ Kh8 33. Rxf8+ Qxf8 34. Bc4 Qc8 35. h3 h6 36. e5 h5 37. g5 Nf5 38. e6 Qb8 39. Qf3 Qc7 40. Qa8+ Kg7 41. Bf1 Qg3+ 42. Kh1 Qf2 43. Qb7+ Kh8 44. Qc8+ Kh7 45. Qd7+ Kh8 1/2-1/2

[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.21"]
[Round "2"]
[White "Rabar, Braslav"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "143"]
[EventDate "1950.08.20"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "Norway"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "NOR"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Qc2 0-0 7. Rd1 c6 8. Nf3 Re8 9. a3 a6 10. h3 b5 11. c5 Nh5 12. Bf4 Nxf4 13. exf4 Qc7 14. g3 f6 15. Bd3 Nf8 16. b4 Bd8 17. Kf1 Qb8 18. Kg2 Ra7 19. Rhe1 Rae7 20. Re2 Bc7 21. Rde1 g6 22. a4 Bd7 23. axb5 axb5 24. Qb3 Kg7 25. Nd1 Rf7 26. Qc3 Rfe7 27. Bc2 Kf7 28. Nb2 Qc8 29. h4 Qb8 30. Nd3 h5 31. Bd1 Qd8 32. Re3 Kg8 33. Ng1 Rh7 34. Nh3 Ree7 35. Ng1 Re8 36. Nf3 Rhe7 37. R1e2 Kf7 38. Nde1 Bb8 39. Nd3 Bc7 40. Qe1 Bb8 41. Ng1 Bc7 42. f3 Qc8 43. g4 hxg4 44. fxg4 Kg8 45. g5 fxg5 46. hxg5 Rf7 47. Qg3 Qb8 48. Nh3 Ree7 49. Bc2 Rh7 50. Nhf2 Rhf7 51. Ne5 Bxe5 52. fxe5 Rg7 53. Rf3 Ref7 54. Ng4 Rxf3 55. Qxf3 Nh7 56. Nf6+ Kh8 57. Qh3 Be8 58. Re1 Bf7 59. Rh1 Bg8 60. Bxg6 Qa7 61. Bxh7 Bxh7 62. Qxh7+ Rxh7 63. Rxh7+ Qxh7 64. Nxh7 Kxh7 65. Kg3 Kg7 66. Kh4 Kg6 67. Kg4 Kg7 68. Kh5 Kh7 69. g6+ Kg8 70. Kg4 Kf8 71. Kh4 Kg8 72. Kh5 1-0

[Event "CAN-ch"]
[Site "Winnipeg"]
[Date "1941.10.??"]
[Round "3"]
[White "Opsahl, Haakon"]
[Black "Yanofsky, Daniel Abraham"]
[Result "0-1"]
[ECO "E33"]
[PlyCount "170"]
[EventDate "1941.10.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 0-0 9. Be2 e5 10. d5 Ne7 11. a3 Qg6 12. Qxg6 Bxc3+ 13. bxc3 Nxg6 14. 0-0 f5 15. a4 a5 16. Nd2 Rf6 17. f3 Bd7 18. Rfb1 Ra7 19. Rb2 Nf8 20. Rab1 Bc8 21. Bd3 Nd7 22. Bc2 Nc5 23. Ra2 Bd7 24. Re1 Ra6 25. Rb1 Kf7 26. g3 g5 27. Kg2 Ra8 28. Rf1 Re8 29. Nb3 Nxb3 30. Bxb3 e4 31. f4 gxf4 32. Rxf4 Rg6 33. Bd1 Rg5 34. h4 Rgg8 35. Bh5+ Kf6 36. Bxe8 Rxe8 37. Raf2 h5 38. Rb2 b6 39. Rd2 Bc8 40. Rb2 Ba6 41. Rb5 Re5 42. Rf1 Bxb5 43. axb5 Re8 44. Ra1 Rg8 45. Kh3 Ke7 46. Rd1 Ra8 47. Ra1 Kd7 48. Ra2 Ke7 49. Ra1 Rg8 50. Rf1 a4 51. Ra1 f4 52. exf4 Ra8 53. g4 Kf6 54. gxh5 a3 55. Kg3 Kf5 56. h6 Rg8+ 57. Kf2 Kxf4 58. Rxa3 e3+ 59. Kf1 Ke4 60. c5 dxc5 61. c4 Kf3 62. d6 cxd6 63. h7 Re8 64. Rd3 Ra8 65. Kg1 Rh8 66. Rxd6 Rxh7 67. Kf1 Rxh4 68. Rf6+ Rf4 69. Rxb6 e2+ 70. Ke1 Rxc4 71. Rf6+ Ke3 72. Re6+ Kd3 73. Rd6+ Rd4 74. Re6 c4 75. Rxe2 c3 76. b6 c2 77. Rd2+ Kc3 78. Rxd4 c1Q+ 79. Rd1 Qe3+ 80. Kf1 Kc2 81. Re1 Qf3+ 82. Kg1 Kd2 83. Rf1 Qg3+ 84. Kh1 Ke2 85. b7 Qh3+ 0-1

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.18"]
[Round "11"]
[White "Opsahl, Haakon"]
[Black "Gudmundsson, Jon"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "72"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Iceland"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "ISL"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 dxc4 5. e3 b5 6. a4 Bb4 7. Ne5 Nf6 8. Bd2 0-0 9. Be2 Bb7 10. 0-0 Nbd7 11. f4 a6 12. Bf3 Qb6 13. Nxd7 Nxd7 14. b3 c5 15. Bxb7 Qxb7 16. axb5 axb5 17. bxc4 Rxa1 18. Qxa1 cxd4 19. exd4 bxc4 20. Rb1 Bxc3 21. Bxc3 Qa8 22. Qb2 Rb8 23. Qc2 Rxb1+ 24. Qxb1 Nf6 25. Qb5 Qc8 26. Qc5 Qxc5 27. dxc5 Kf8 28. Bxf6 gxf6 29. Kf2 Ke7 30. Ke3 e5 31. Ke4 f5+ 32. Ke3 f6 33. h3 Ke6 34. g4 fxg4 35. hxg4 Kd5 36. f5 h6 0-1

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.16"]
[Round "10"]
[White "Soto, Domingo"]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "E18"]
[PlyCount "58"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Peru"]
[BlackTeam "Canada"]
[WhiteTeamCountry "PER"]
[BlackTeamCountry "CAN"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. c4 Be7 7. Nc3 0-0 8. Bf4 d6 9. dxc5 bxc5 10. Nb5 e5 11. Bg5 Ne8 12. Bxe7 Qxe7 13. Nh4 Bxg2 14. Nxg2 Nc6 15. Qd5 Rc8 16. Rfd1 Nd4 17. Nxd4 cxd4 18. b3 Nf6 19. Qf3 Qe6 20. Ne1 d5 21. cxd5 Nxd5 22. Rdc1 e4 23. Qg2 Rc3 24. Rxc3 Nxc3 25. Qf1 Qa6 26. e3 d3 27. Ng2 Rd8 28. Nh4 Qf6 29. h3 g5 0-1

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.14"]
[Round "9"]
[White "Opsahl, Haakon"]
[Black "Minnis, William"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "69"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "IRL"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Be7 7. Qc2 0-0 8. Rd1 Re8 9. Bd3 h6 10. Bh4 dxc4 11. Bxc4 Nd5 12. Bxe7 Qxe7 13. 0-0 N7b6 14. Bb3 Bd7 15. e4 Nf6 16. e5 Nh7 17. Ne4 Nc8 18. Qd3 f5 19. exf6 gxf6 20. Rfe1 b6 21. Re3 Kh8 22. Nh4 Rg8 23. Ng3 Nf8 24. Qe2 Nd6 25. f4 Re8 26. f5 Rg5 27. fxe6 Bc8 28. Nf3 Rxg3 29. hxg3 Nf5 30. Rc3 Nxg3 31. Qe3 Nf5 32. Qf4 Bxe6 33. Bxe6 Qxe6 34. Re1 Qc8 35. Rxe8 1-0

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.13"]
[Round "8"]
[White "Kantardzhiev, Mikhail"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "C73"]
[PlyCount "61"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Canada"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "CAN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. 0-0 g6 8. Nc3 Bg7 9. Be3 Nh6 10. h3 Nf7 11. Qd2 0-0 12. Rad1 Qe7 13. b3 Bd7 14. Rfe1 h6 15. Nh2 Kh7 16. f4 Rae8 17. Nf3 Bc8 18. Rf1 exf4 19. Bxf4 Ng5 20. Rde1 Nxf3+ 21. Rxf3 Qd8 22. Rfe3 f5 23. exf5 Bxf5 24. Ne2 g5 25. Rxe8 Rxe8 26. Bg3 Re4 27. c3 Qe7 28. Bf2 Bg6 29. Ng3 Rxe1+ 30. Qxe1 Qxe1+ 31. Bxe1 1/2-1/2

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.11"]
[Round "7"]
[White "Opsahl, Haakon"]
[Black "Rebnord, Sverre"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "61"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Norway"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "NOR"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. a4 Qb6 7. Be2 e6 8. 0-0 Be7 9. Ne5 0-0 10. axb5 cxb5 11. b3 Nd5 12. Nxb5 cxb3 13. Qxb3 Bb7 14. Nc4 Qc6 15. Na5 Qb6 16. Nxb7 Qxb7 17. Rb1 Nd7 18. e4 Nb4 19. Bd2 a5 20. Rfc1 Rfc8 21. Nc3 Qa7 22. Nb5 Qb6 23. Bxb4 axb4 24. Rc4 Rxc4 25. Bxc4 Nf6 26. Re1 Nxe4 27. Qf3 f5 28. Qxf5 Nc3 29. Nxc3 bxc3 30. Rxe6 Qb4 31. Ra6+ 1-0

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.09"]
[Round "6"]
[White "Sierra, Jose"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "124"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Canada"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "CAN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 c5 8. d5 exd5 9. cxd5 d6 10. b3 Nbd7 11. Bb2 Re8 12. Nd2 a6 13. a4 b5 14. axb5 axb5 15. Nxb5 Bxd5 16. Bxd5 Nxd5 17. Nc4 Rxa1 18. Bxa1 N7b6 19. e4 Nxc4 20. bxc4 Nc7 21. Qg4 Bf8 22. Nc3 g6 23. f4 Bg7 24. f5 Bd4+ 25. Kg2 Qe7 26. Re1 Qe5 27. fxg6 fxg6 28. Nd5 Nxd5 29. Bxd4 Qxd4 30. cxd5 Qe5 31. Qf4 Kg7 32. Qxe5+ Rxe5 33. Kf3 Re7 34. Rb1 Kf6 35. Rb8 h5 36. Rd8 Ke5 37. Ke3 g5 38. h3 g4 39. h4 Ra7 40. Re8+ Kf6 41. Re6+ Kf7 42. Rxd6 Ra3+ 43. Kf4 Rf3+ 44. Ke5 Rxg3 45. Rc6 Rc3 46. d6 g3 47. Rc7+ Kg6 48. d7 Rd3 49. Rxc5 g2 50. Rc1 Rxd7 51. Rg1 Rd2 52. Kf4 Kf6 53. Ra1 Rf2+ 54. Kg3 Re2 55. Kf3 Rb2 56. Ra6+ Kf7 57. Ra7+ Kf6 58. Ra6+ Kf7 59. Ra1 Kf6 60. Ke3 Rc2 61. Ra6+ Kf7 62. Ra1 Kf6 1/2-1/2

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.07"]
[Round "5"]
[White "Opsahl, Haakon"]
[Black "Rodriguez Hurtado, Jorge"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "31"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Bolivia"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "BOL"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. e3 d5 6. a3 Bxd2+ 7. Nbxd2 Nbd7 8. Bd3 b6 9. 0-0 Bb7 10. cxd5 Nxd5 11. Rc1 c5 12. dxc5 Nxc5 13. Bb5+ Nd7 14. Ne5 Bc8 15. Rxc8+ Rxc8 16. Bxd7+ 1-0

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.04"]
[Round "3"]
[White "Opsahl, Haakon"]
[Black "Boettner, Luis Oscar"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "97"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Paraguay"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "PAR"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Qc2 dxc4 8. Bxc4 Nd5 9. Bxe7 Qxe7 10. 0-0 0-0 11. Rad1 Re8 12. Rfe1 Nxc3 13. Qxc3 b5 14. Bd3 Bb7 15. Qc2 g6 16. e4 a6 17. e5 Rac8 18. Be4 Nb6 19. Qd2 Kg7 20. b4 Red8 21. Rc1 Rc7 22. Rc2 Nc4 23. Qc3 Rf8 24. a4 Nb6 25. a5 Nd5 26. Bxd5 exd5 27. Rce2 Bc8 28. Nd2 h5 29. f4 Rh8 30. Nb3 h4 31. Nc5 h3 32. g3 g5 33. Rf2 gxf4 34. Rxf4 Rh6 35. Ref1 Qg5 36. Qf3 Qg6 37. Nxa6 Re7 38. Nc5 Kg8 39. Rf6 Qg7 40. Kh1 Rh7 41. Rxc6 Bg4 42. Qf4 Rh5 43. Rf6 Be2 44. Ra1 Qh7 45. e6 Qg7 46. Rxf7 Rxf7 47. Qxf7+ Qxf7 48. exf7+ Kxf7 49. a6 1-0

[Event "Olympiad-08 Final B"]
[Site "Buenos Aires"]
[Date "1939.09.01"]
[Round "1"]
[White "Roux Cabral, Luis"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "82"]
[EventDate "1939.09.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Canada"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "CAN"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 d6 12. Qd2 Qe7 13. e3 Nd7 14. Ne1 Bxg2 15. Kxg2 Rae8 16. Nd3 Rf7 17. b4 c5 18. bxc5 bxc5 19. dxc5 Nxc5 20. Nxc5 Bxb2 21. Qxb2 dxc5 22. Qe5 Qc7 23. Qxc7 Rxc7 24. Rab1 Rd8 25. Rfd1 Rxd1 26. Rxd1 Kf7 27. Rd6 Ke7 28. Ra6 Kf6 29. h4 h6 30. h5 Rb7 31. a3 Ke7 32. Kf3 Rc7 33. Kf4 Kf6 34. g4 fxg4 35. Kxg4 Rd7 36. f4 Rd3 37. Kf3 Rc3 38. Rxa7 Rxc4 39. a4 g6 40. hxg6 Kxg6 41. a5 Ra4 1/2-1/2

[Event "Olympiad-08 Preliminaries A"]
[Site "Buenos Aires"]
[Date "1939.08.30"]
[Round "7"]
[White "Castro de Mendoza, Rene"]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "E16"]
[PlyCount "44"]
[EventDate "1939.08.24"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Peru"]
[BlackTeam "Canada"]
[WhiteTeamCountry "PER"]
[BlackTeamCountry "CAN"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Qe7 7. 0-0 Bxd2 8. Nbxd2 d6 9. Qc2 0-0 10. e4 e5 11. dxe5 dxe5 12. Nh4 c5 13. Nf5 Qc7 14. Ne3 Nc6 15. Nd5 Qd6 16. f4 Nd4 17. Qd3 Nd7 18. f5 f6 19. Nb1 a6 20. Nbc3 b5 21. b3 Bc6 22. Ne3 Nf3+ 0-1

[Event "Olympiad-08 Preliminaries A"]
[Site "Buenos Aires"]
[Date "1939.08.28"]
[Round "5"]
[White "Souza Mendes, Joao"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "49"]
[EventDate "1939.08.24"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Canada"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "CAN"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bf4 c6 6. e3 dxc4 7. Bxc4 Nd5 8. Nxd5 exd5 9. Bd3 Bb4+ 10. Nd2 Nf6 11. 0-0 0-0 12. Nf3 Bg4 13. Qb3 Qe7 14. Ne5 Bc8 15. Bg5 Bd6 16. f4 c5 17. Bxf6 gxf6 18. Qxd5 fxe5 19. fxe5 Bc7 20. Rf6 Rd8 21. Qe4 Kf8 22. Qxh7 Ke8 23. Raf1 Be6 24. Bb5+ Rd7 25. Qg8+ 1-0

[Event "Olympiad-08 Preliminaries A"]
[Site "Buenos Aires"]
[Date "1939.08.27"]
[Round "4"]
[White "Opsahl, Haakon"]
[Black "Laterza, Luis"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "81"]
[EventDate "1939.08.24"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Paraguay"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "PAR"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bg5 c6 6. e3 Nbd7 7. Qc2 0-0 8. Rd1 Re8 9. Bd3 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. 0-0 Nf8 13. e4 Nc7 14. e5 b5 15. Bd3 Bb7 16. Ne4 Rab8 17. Nd6 Red8 18. Nxb7 Rxb7 19. Qxc6 Rdb8 20. Qe4 Nd5 21. Qg4 h6 22. h4 Rc7 23. Nd2 a6 24. g3 Qb4 25. Ne4 Qe7 26. Qe2 Rb6 27. f4 Nb4 28. Bb1 Rbc6 29. a3 Nd5 30. Nc5 Rxc5 31. dxc5 Qxc5+ 32. Rf2 Qb6 33. Be4 Ne3 34. Re1 Nc4 35. Kh2 Rd7 36. Qf3 Nd2 37. Qe3 Qxe3 38. Rxe3 Nxe4 39. Rxe4 Ng6 40. a4 Rb7 41. Rb4 1-0

[Event "Olympiad-08 Preliminaries A"]
[Site "Buenos Aires"]
[Date "1939.08.26"]
[Round "3"]
[White "Skalicka, Carlos"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "80"]
[EventDate "1939.08.24"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Czechoslovakia"]
[BlackTeam "Canada"]
[WhiteTeamCountry "CSR"]
[BlackTeamCountry "CAN"]

1. Nf3 Nf6 2. b4 e6 3. a3 b6 4. c4 c5 5. b5 d5 6. e3 Nbd7 7. Bb2 Bd6 8. d4 0-0 9. Nbd2 Bb7 10. Ne5 Rc8 11. Be2 Ne4 12. Nxe4 dxe4 13. Nxd7 Qxd7 14. dxc5 bxc5 15. Be5 Rfd8 16. Bxd6 Qxd6 17. Qxd6 Rxd6 18. Rd1 Rcd8 19. Rxd6 Rxd6 20. 0-0 Kf8 21. Rd1 Ke7 22. Kf1 e5 23. Rxd6 Kxd6 24. a4 a5 25. g4 g5 26. Kg2 h6 27. Kg3 f6 28. Bf1 Ba8 29. Be2 Bb7 30. Bd1 Ba8 31. Bc2 Bb7 32. Kg2 Ba8 33. Kf1 Bb7 34. Kg2 Ba8 35. Kh3 Bb7 36. Kg3 Ba8 37. Bb1 Bb7 38. Kg2 Ba8 39. Kh3 Bb7 40. Kg2 Ba8 1/2-1/2

[Event "Olympiad-08 Preliminaries A"]
[Site "Buenos Aires"]
[Date "1939.08.25"]
[Round "2"]
[White "Opsahl, Haakon"]
[Black "Frydman, Paulino"]
[Result "1/2-1/2"]
[ECO "B29"]
[PlyCount "161"]
[EventDate "1939.08.24"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 d6 7. Bb5+ Nc6 8. Qe2 Be7 9. exd6 Qxd6 10. dxc5 Qxc5 11. Be3 Qd6 12. h3 0-0 13. Rd1 Be6 14. 0-0 Bf6 15. c3 a6 16. Ba4 b5 17. Bb3 Na5 18. Bd4 Bxd4 19. Nxd4 Nc6 20. Nxc6 Qxc6 21. Rd4 Rfd8 22. Rfd1 Rd7 23. Qf3 Rad8 24. Bc2 a5 25. a3 Qc5 26. h4 Rb7 27. Bb3 Rbd7 28. h5 h6 29. Bc2 Qe7 30. Qd3 f5 31. Re1 Rb7 32. Qe2 Rd6 33. Bxf5 Rbb6 34. Qf3 Qf7 35. Rxe6 Rxe6 36. Bxe6 Rxe6 37. Qxf7+ Kxf7 38. Rxd5 Rb6 39. b4 a4 40. Rc5 Rd6 41. Rxb5 Rd1+ 42. Kh2 Ra1 43. Ra5 Rxa3 44. c4 Rc3 45. Rxa4 Rxc4 46. Kg3 Rd4 47. Ra7+ Kf6 48. Ra6+ Kf7 49. Rb6 Rd5 50. Kh4 Rd2 51. Rb7+ Kf6 52. Rb8 Kf7 53. Kg3 Rd5 54. Rb7+ Kf6 55. Kh4 Rd2 56. Rb6+ Kf7 57. Rg6 Rxf2 58. b5 Rb2 59. b6 Rb5 60. g3 Kf8 61. Rc6 Kf7 62. Rc7+ Kf6 63. b7 g6 64. hxg6 Kxg6 65. Kg4 Rb4+ 66. Kf3 Kf5 67. Ke3 Ke5 68. Kd3 Kd5 69. Kc3 Rb1 70. g4 Kd6 71. Rh7 Kd5 72. Rg7 Rb6 73. Rh7 Rb1 74. Rd7+ Ke6 75. Kc2 Rb6 76. Rg7 Kd5 77. Kd2 Rb2+ 78. Ke3 Ke5 79. Kf3 Rb3+ 80. Kg2 Kf6 81. Rc7 1/2-1/2

[Event "Olympiad-08 Preliminaries A"]
[Site "Buenos Aires"]
[Date "1939.08.24"]
[Round "1"]
[White "Milner Barry, Philip Stuart"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "79"]
[EventDate "1939.08.24"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Canada"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "CAN"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. Nge2 Be6 7. Bb3 Bxb3 8. axb3 a6 9. d3 Nd4 10. Nxd4 Bxd4 11. Be3 Bxc3+ 12. bxc3 Qd7 13. 0-0 f6 14. f4 Qe6 15. fxe5 dxe5 16. Qf2 Qc6 17. c4 Rd8 18. Ra5 Qe6 19. d4 exd4 20. Bxd4 Ne7 21. Qxf6 Qxf6 22. Bxf6 Rf8 23. Re5 Rf7 24. Bg5 Rd7 25. Rxf7 Kxf7 26. Rxe7+ Rxe7 27. Bxe7 Kxe7 28. Kf2 Ke6 29. Ke3 Ke5 30. h4 h5 31. Kf3 c6 32. Ke3 b6 33. Kd3 a5 34. c3 b5 35. cxb5 cxb5 36. c4 bxc4+ 37. bxc4 a4 38. c5 a3 39. Kc3 Kxe4 40. c6 1-0

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Belson, John Harold"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "143"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Ne4 7. Ndb5 a6 8. Qg4 axb5 9. Qxe4 Bxc3+ 10. bxc3 Qc7 11. Qe3 Nc6 12. f4 Ne7 13. Bd2 Ra3 14. Bxb5 Nd5 15. Qd4 Nxc3 16. Bd3 Nd5 17. 0-0 Qb6 18. Qxb6 Nxb6 19. Bb4 Ra4 20. a3 Nd5 21. Bb5 Ra8 22. Bd6 f5 23. Rf3 Ne7 24. a4 Nc6 25. Bc5 Kf7 26. Rd3 Rg8 27. h4 h5 28. Rd6 Re8 29. Bb6 g6 30. a5 Re7 31. Rad1 Ke8 32. R1d3 Rb8 33. Rb3 Kf7 34. Kf2 Ra8 35. Ke2 Rb8 36. Kd3 Ra8 37. Bc7 Ra7 38. Bb6 Ra8 39. Kc3 Rb8 40. Kc4 Ra8 41. Kc5 Rb8 42. Rdd3 Re8 43. Kd6 Ra8 44. Rg3 Ne7 45. c4 Nc6 46. Kc5 Nb8 47. Rgd3 Na6+ 48. Kd6 Nb8 49. Rd1 Rg8 50. Rbd3 Re8 51. c5 Nc6 52. Kc7 Re7 53. Kd6 Nxa5 54. Rd4 Nc6 55. Ra4 Rxa4 56. Bxa4 Re8 57. Bb5 Nb8 58. Rb1 Nc6 59. Ra1 Nd4 60. Bd3 Nc6 61. Ra4 Ne7 62. Bc4 Rf8 63. Be2 Nc6 64. Bf3 Rg8 65. Kc7 Ne7 66. Ra8 Re8 67. Rb8 Kf8 68. Ba5 Kf7 69. Bb4 Rg8 70. c6 bxc6 71. Bxe7 Kxe7 72. Rxc8 1-0

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Hayes, Rea B"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "80"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5 7. Nde2 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. Bxc3 Bxc3+ 11. Nxc3 0-0 12. 0-0 Nc6 13. Re1 Be6 14. Bb5 Qc7 15. Bxc6 bxc6 16. Qe2 f6 17. Rad1 Rae8 18. b3 Bf7 19. Na4 Rd8 20. Qe3 h6 21. c4 Rxd1 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. Nc3 Qc7 25. h3 Qd7 26. Kf1 Bg6 27. Ke2 Kf8 28. Qd2 Qxd2+ 29. Kxd2 Ke7 30. b4 Bf7 31. c5 f5 32. f3 Bc4 33. Ke3 Ke6 34. a4 a6 35. Kf2 g5 36. g4 Bb3 37. Ke3 Bc4 38. Kf2 Bb3 39. Ke3 Bc4 40. Kf2 Bb3 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Morrison, John Stuart"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "65"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. 0-0 Bxf3 7. gxf3 e6 8. c3 Bd6 9. f4 Qc7 10. Qf3 g6 11. Na3 a6 12. Nc2 Nf6 13. Ne1 Ne7 14. Ng2 Nh5 15. Bd2 0-0 16. Rfc1 b5 17. a4 Rab8 18. b4 Rb7 19. axb5 axb5 20. Ra5 Rfb8 21. Rca1 Nf6 22. Qe2 Qd7 23. Ne1 Nc8 24. Nf3 Ne8 25. Ne5 Bxe5 26. fxe5 Ne7 27. Bg5 Nc7 28. Qd2 Nc6 29. R5a3 h5 30. Bf6 Kh7 31. Qg5 Ne8 32. Qxh5+ Kg8 33. Qh8# 1-0

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Blumin, Boris"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "30"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Ng5 Nxe2+ 10. Qxe2 Bxg2 11. Nxh7 Bxf1 12. Kxf1 Kxh7 13. Qe4+ Kg8 14. Qxa8 Nc6 15. Qb7 Qc8 0-1

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Fox, Maurice"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "78"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. h3 Bh5 7. Be2 Qc7 8. b3 e6 9. Bb2 Qa5 10. 0-0 Ba3 11. Bxa3 Qxa3 12. c4 0-0 13. Qc2 c5 14. Bd3 Rac8 15. Qc1 Qa6 16. Qb2 Bg6 17. Bxg6 hxg6 18. Rfd1 b5 19. cxb5 Qxb5 20. dxc5 Nxc5 21. Qd4 a5 22. Ne5 Nce4 23. Nxe4 Nxe4 24. Qd3 Qb4 25. a3 Qe7 26. Nf3 Rc3 27. Qb5 Qa7 28. b4 a4 29. Rdc1 Qc7 30. Rxc3 Qxc3 31. Qf1 Rc8 32. Qd1 Qb2 33. Qf1 Rc2 34. Rb1 Qxa3 35. Qb5 Rxf2 36. Qe8+ Kh7 37. Qxf7 Qxe3 38. Kh2 Rxg2+ 39. Kxg2 Qf2+ 0-1

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Jordan, HW."]
[Result "1-0"]
[ECO "B12"]
[PlyCount "49"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c6 3. Bd3 d5 4. e5 Nd7 5. Nf3 c5 6. 0-0 cxd4 7. Re1 Bc5 8. Nbd2 Ne7 9. Nb3 Nc6 10. Bf4 Qb6 11. a3 a6 12. Bg3 Qa7 13. Ng5 Nf8 14. f4 b5 15. Nxc5 Qxc5 16. Bf2 Ra7 17. Nf3 f6 18. c3 Qe7 19. Nxd4 Nxd4 20. Bxd4 Rb7 21. exf6 gxf6 22. a4 Bd7 23. Qh5+ Kd8 24. axb5 axb5 25. Qh4 1-0

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Therien, Jules"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "49"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 c5 8. d5 d6 9. dxe6 fxe6 10. Qc2 Nc6 11. e4 Nd4 12. Qd3 e5 13. Bg5 h6 14. Bxf6 Bxf6 15. Nd5 g5 16. Nxd4 cxd4 17. f4 Rc8 18. b3 Bg7 19. f5 Bxd5 20. exd5 b5 21. Rac1 bxc4 22. bxc4 Qa5 23. f6 Bxf6 24. Qg6+ Bg7 25. Be4 1-0

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Schaffer, A."]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "C23"]
[PlyCount "128"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Qf3 Nf6 4. b4 Bb6 5. a4 a5 6. Bb2 d6 7. Qb3 0-0 8. bxa5 Bxa5 9. f3 Nc6 10. Ne2 Bb6 11. Bc3 Qe7 12. Qb2 Be6 13. Bxe6 Qxe6 14. d4 exd4 15. Nxd4 Nxd4 16. Bxd4 Nxe4 17. 0-0 Bxd4+ 18. Qxd4 Qf6 19. Qxf6 Nxf6 20. Nc3 c6 21. Rfb1 Ra7 22. Rb3 d5 23. Rab1 Rb8 24. Ne2 Rxa4 25. Rxb7 Rxb7 26. Rxb7 g6 27. Kf2 d4 28. Nc1 Rc4 29. Rb2 Nd5 30. Ke2 Nf4+ 31. Kf2 Kg7 32. g3 Ne6 33. Ke2 Kf6 34. Kd2 h5 35. Nd3 Ng5 36. Ne1 Rc3 37. Rb3 Rxb3 38. cxb3 c5 39. Kd3 Ke7 40. f4 Ne6 41. Nf3 f6 42. Kc4 Kd6 43. h4 Nc7 44. Nd2 f5 45. Nf3 Nd5 46. Kd3 Nc3 47. b4 cxb4 48. Nxd4 Ne4 49. Nf3 Nxg3 50. Ne5 b3 51. Nxg6 Ne2 52. Kd2 Kd5 53. Kd3 b2 54. Kc2 Ke4 55. Kxb2 Nxf4 56. Ne7 Ng2 57. Ng6 f4 58. Kc2 Ke3 59. Kd1 f3 60. Ne5 Nxh4 61. Nc4+ Kf2 62. Nd2 Nf5 63. Ne4+ Kg2 64. Ke1 Nd4 0-1

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1936.??.??"]
[Round "?"]
[White "Wilson, W1111"]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "66"]
[EventDate "1936.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. c3 Nc6 8. Bg5 Qe7 9. Nd2 h6 10. Be3 d6 11. h3 Be6 12. Bb5 Bd7 13. f4 a6 14. Ba4 exf4 15. Bxf4 Ne5 16. Bc2 Ng6 17. Bg3 Bc6 18. Re1 0-0 19. Qe2 Rae8 20. Rad1 Nd7 21. Nf3 Nc5 22. Nd2 d5 23. e5 f5 24. Qh5 Qg5 25. Qxg5 hxg5 26. Nf3 Ne4 27. Bh2 g4 28. Bxe4 fxe4 29. Nd4 gxh3 30. e6 hxg2 31. Kxg2 Nf4+ 32. Kh1 Nd3 33. Bxc7 Nxe1 0-1

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Blumin, Boris"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "112"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 0-0 8. cxd5 exd5 9. 0-0 Re8 10. Rc1 Ne4 11. Bf4 Ndf6 12. Ne5 Nxc3 13. Rxc3 h6 14. h3 Bd6 15. Bb1 Ne4 16. Rc1 f6 17. Nd3 Bxf4 18. Nxf4 f5 19. Bd3 Qf6 20. Be2 Be6 21. b4 a6 22. Rc2 Re7 23. Qc1 Rae8 24. a4 Nd6 25. Qa3 Bf7 26. Qb3 g5 27. Nh5 Qg6 28. Ng3 Qe6 29. b5 axb5 30. axb5 Nc4 31. bxc6 bxc6 32. Bd3 Bg6 33. Rxc4 f4 34. Nf5 Bxf5 35. Bxf5 Qxf5 36. Rxc6 Re6 37. Rc5 Rd8 38. Rfc1 fxe3 39. fxe3 Qe4 40. R1c3 Kh8 41. Qb7 g4 42. Rc8 Rde8 43. hxg4 Qxg4 44. Qxd5 Rxe3 45. Rxe3 Rxc8 46. Qe5+ Qg7 47. Rg3 Qxe5 48. dxe5 Re8 49. Re3 Kg7 50. Kf2 Kf7 51. Kf3 Ke6 52. Ke4 Rg8 53. g3 Rg5 54. Kf4 Rf5+ 55. Kg4 Rxe5 56. Ra3 Kf6 1/2-1/2

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Gale, Sidney"]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "E16"]
[PlyCount "110"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Qe7 7. 0-0 Bxd2 8. Nbxd2 d6 9. Re1 Nbd7 10. e4 e5 11. d5 a5 12. b3 0-0 13. Nf1 g6 14. N3d2 Nh5 15. Ne3 Rae8 16. Bh3 Nc5 17. Qc2 Bc8 18. Bxc8 Rxc8 19. a3 Ng7 20. b4 axb4 21. axb4 Nd7 22. f3 f5 23. Ng2 fxe4 24. fxe4 Ra8 25. Rf1 Rxf1+ 26. Rxf1 Rf8 27. Rxf8+ Qxf8 28. Qa2 Nf6 29. Ne3 Qc8 30. c5 bxc5 31. bxc5 h5 32. c6 Qb8 33. Nec4 Kh7 34. Kg2 Nge8 35. Qa6 Qb4 36. Qa5 Qb8 37. Qa4 Kg7 38. h3 Kh7 39. Qa3 Qb5 40. Qd3 Qb8 41. Nf3 Ng7 42. Ng5+ Kg8 43. Qf3 Qd8 44. Qb3 Nh7 45. Nf3 Nf6 46. Ncxe5 Nxe4 47. Nxg6 Nf5 48. Nf4 Nexg3 49. Ne6 Qa8 50. h4 Ne4 51. Kh3 Qa7 52. Qb2 Qe3 53. Qg2+ Kh8 54. Kh2 Nf2 55. Nfg5 Ng4+ 0-1

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Belson, John Harold"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "69"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. Qc2 d6 7. e4 e5 8. f3 Qe7 9. Bd3 Nc6 10. Ne2 Nh5 11. 0-0 g6 12. Bh6 Ng7 13. Rae1 f5 14. exf5 Bxf5 15. Bxf5 gxf5 16. d5 Nd8 17. f4 e4 18. Nd4 c5 19. Nb3 Nf7 20. Bxg7 Kxg7 21. g4 Nh6 22. g5 Ng8 23. h4 Qd7 24. Nc1 Rae8 25. Re3 Ne7 26. h5 Nc8 27. Ne2 Nb6 28. Ng3 Nxc4 29. Re2 b5 30. Qc1 a6 31. h6+ Kh8 32. Nh5 Qf7 33. Nf6 Rd8 34. a4 Qg6 35. Rg2 1-0

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Ledain, Dudley M"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "103"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Qc2 0-0 7. Nf3 Nbd7 8. cxd5 exd5 9. Bd3 Re8 10. 0-0-0 Nf8 11. h3 Be6 12. g4 Rc8 13. Kb1 c5 14. dxc5 Bxc5 15. Bb5 Re7 16. Bxf6 gxf6 17. Qd3 Qa5 18. Nd2 Bb4 19. Nb3 Qc7 20. Rc1 Qd6 21. Nd4 Rec7 22. Nce2 Rxc1+ 23. Nxc1 Bc5 24. Nce2 Nd7 25. f4 a6 26. Ba4 Bxd4 27. Bxd7 Bxd7 28. Nxd4 Re8 29. Rg1 Qe7 30. Re1 Qb4 31. Rc1 Qd6 32. a3 Rc8 33. Rg1 Kh8 34. h4 Rg8 35. g5 fxg5 36. hxg5 Qg6 37. Qxg6 fxg6 38. Rc1 Rc8 39. Rxc8+ Bxc8 40. Kc2 Kg7 41. Kd3 h5 42. gxh6+ Kxh6 43. Nf3 b6 44. Kd4 Kh5 45. Ng5 Bb7 46. Ne6 Kg4 47. Nd8 Ba8 48. Ne6 Kf3 49. Nf8 Ke2 50. Nxg6 Kd2 51. Ne7 Kc2 52. f5 1-0

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Morrison, John Stuart"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "123"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Nxd4 Bd7 8. 0-0 Nf6 9. Nc3 Be7 10. Re1 0-0 11. Bg5 c5 12. Nde2 Re8 13. Qd3 Bc6 14. f3 Qb8 15. b3 Qb6 16. Be3 Rad8 17. Nf4 Qb7 18. Rad1 Nd7 19. Ncd5 Bf8 20. c4 Ne5 21. Qc2 Bd7 22. Bd2 Qc8 23. Ba5 Bc6 24. Nxc7 Rd7 25. Nxe8 Qxe8 26. Bc3 f6 27. Qe2 Nf7 28. Nd5 Ng5 29. f4 Nf7 30. Qg4 Bxd5 31. exd5 Qc8 32. Bxf6 h5 33. Qg3 Nh6 34. Bc3 Rf7 35. Re6 Nf5 36. Qf3 h4 37. g4 Nd4 38. Bxd4 cxd4 39. f5 Be7 40. Qd3 Bf6 41. Rde1 Qc5 42. Rxf6 gxf6 43. Re4 Qa3 44. Qd2 Kh7 45. Kg2 d3 46. Kh3 Rg7 47. Qe1 Rf7 48. Re7 Kg7 49. Qe6 Rxe7 50. Qxe7+ Kg8 51. Qe8+ Kg7 52. Qg6+ Kf8 53. Qxf6+ Ke8 54. Qc3 Qxa2 55. Qxd3 Qf2 56. Qe4+ Kd8 57. Qe6 Qf1+ 58. Kxh4 Qf2+ 59. Kg5 Qxh2 60. f6 Qd2+ 61. Kg6 Qd3+ 62. Kg7 1-0

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Payette, F."]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "148"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. e3 c5 4. c3 Nc6 5. Bd3 Nf6 6. Nbd2 Bd6 7. 0-0 0-0 8. Re1 Re8 9. dxc5 Bxc5 10. e4 dxe4 11. Nxe4 Be7 12. Nfg5 Nxe4 13. Nxe4 Ne5 14. Bc2 Qxd1 15. Rxd1 Rd8 16. Rxd8+ Bxd8 17. Bf4 Ng6 18. Rd1 Bb6 19. Be3 Bc7 20. Ng5 Nf8 21. Bc5 h6 22. Bxf8 Kxf8 23. Nf3 Ke7 24. Ba4 a6 25. b4 b5 26. Bc2 Bb7 27. Ne1 Be5 28. Rc1 Rc8 29. Bd3 Rxc3 30. Rxc3 Bxc3 31. Nc2 e5 32. f3 Bd5 33. a3 Bb3 34. Ne3 g6 35. Kf2 Bb2 36. Be4 Bxa3 37. Bb7 Bxb4 38. Bxa6 Bc5 39. Bxb5 f5 40. Ke2 Ke6 41. Bc4+ Bxc4+ 42. Nxc4 Kd5 43. Nd2 Bb4 44. Nf1 Bc5 45. Nd2 Kd4 46. Nb3+ Kc4 47. Nd2+ Kc3 48. g4 Bg1 49. h3 Bh2 50. Nb1+ Kd4 51. gxf5 gxf5 52. Na3 Bg3 53. Nc2+ Kd5 54. Ne3+ Ke6 55. Kd3 Kf6 56. Ke2 Kg5 57. Kd3 Kf4 58. Ke2 Bh4 59. Nf1 Be7 60. Kf2 Bb4 61. Kg2 Be1 62. Nh2 h5 63. Nf1 e4 64. fxe4 fxe4 65. Nh2 Bg3 66. Nf1 Be1 67. Nh2 e3 68. Nf3 Bc3 69. Ng1 Ke4 70. Ne2 Kd3 71. Kf3 Be5 72. Ng1 Bc7 73. Ne2 Bh2 74. Nc1+ Kd2 1/2-1/2

[Event "CAN-ch"]
[Site "Montreal"]
[Date "1935.??.??"]
[Round "?"]
[White "Rawlings, William H"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "C87"]
[PlyCount "84"]
[EventDate "1935.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 0-0 9. d5 Nb8 10. Bc2 Ne8 11. Nbd2 g6 12. Nf1 f5 13. Bh6 Ng7 14. exf5 gxf5 15. Ng3 Qe8 16. Bxg7 Kxg7 17. Qd3 Qf7 18. Nxe5 dxe5 19. Rxe5 Bd6 20. Nxf5+ Bxf5 21. Rxf5 Qxf5 22. Qxf5 Rxf5 23. Bxf5 a5 24. Re1 Na6 25. g3 Rf8 26. Bc2 Nc5 27. Kg2 Nd7 28. f4 Nf6 29. c4 h5 30. Bd3 Re8 31. Rxe8 Nxe8 32. Kf3 Nf6 33. h3 b6 34. g4 hxg4+ 35. hxg4 Kf7 36. Bc2 Kg7 37. g5 Nd7 38. Kg4 Bc5 39. b3 Bd4 40. f5 Bc3 41. f6+ Nxf6+ 42. gxf6+ Kxf6 1/2-1/2

[Event "CCCA Major f corr"]
[Site "Canada"]
[Date "1935.??.??"]
[Round "?"]
[White "Whitfield, KH."]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "86"]
[EventDate "1935.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Na5 8. Qc2 a6 9. Nd2 e6 10. Ngf3 Bd6 11. Bg3 Bh5 12. Ne5 Bg6 13. Bh4 Qc7 14. f4 Nc6 15. Qb1 Ne4 16. Nxe4 dxe4 17. Bxe4 Nxe5 18. fxe5 Bxe5 19. g3 Bf4 20. 0-0 Bd6 21. Bg5 Bxg3 22. h4 Bh2+ 23. Kh1 Bd6 24. Bxg6 hxg6 25. Kg2 Be7 26. Rh1 Qc6+ 27. Kf2 Bxg5 28. hxg5 0-0-0 29. Qg1 Qb5 30. b3 Qf5+ 31. Ke3 e5 32. Rxh8 Rxh8 33. Rf1 Rh3+ 34. Kd2 Rd3+ 35. Kc2 Rxc3+ 36. Kb2 Rc2+ 37. Ka3 Qd7 38. Rf3 Qd6+ 39. b4 a5 40. Kb3 Qc6 41. Qg4+ Kb8 42. d5 a4+ 43. Ka3 Qxd5 0-1

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1934.09.06"]
[Round "10"]
[White "Whitfield, Kenneth"]
[Black "Opsahl, Haakon"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "101"]
[EventDate "1934.09.01"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bd3 c5 6. dxc5 Bxc5 7. Nf3 0-0 8. 0-0 Nc6 9. c3 e5 10. Bg5 e4 11. Bxf6 Qxd3 12. Qxd3 exd3 13. Be5 f6 14. Bg3 g5 15. Nbd2 Bf5 16. Rfe1 h5 17. h3 h4 18. Bh2 Rfe8 19. Kf1 a5 20. Nb3 Bb6 21. Rad1 a4 22. Nc1 Red8 23. Rd2 Rd7 24. Red1 Rad8 25. Ne1 g4 26. hxg4 Bxg4 27. f3 Bf5 28. Bg1 Bxg1 29. Kxg1 Ne5 30. b3 b5 31. Kf2 axb3 32. axb3 Rc8 33. Ncxd3 Nxd3+ 34. Nxd3 Rxc3 35. Nf4 Rxd2+ 36. Rxd2 Rxb3 37. Rd6 Kf7 38. Rb6 Rb2+ 39. Kg1 Bd7 40. Nd5 f5 41. Rh6 b4 42. Rxh4 b3 43. Rh6 Rc2 44. Rf6+ Ke8 45. Rb6 b2 46. Kh2 Bc6 47. Ne3 Re2 48. Nc4 Bd5 49. Rxb2 Bxc4 50. Rxe2+ Bxe2 51. Kg3 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1934.09.04"]
[Round "6"]
[White "Opsahl, Haakon"]
[Black "Martin, Robert E"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "74"]
[EventDate "1934.09.01"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. 0-0-0 h6 11. Bxf6 gxf6 12. Qb5 0-0-0 13. a3 Qd6 14. g3 a6 15. Qa4 Kb8 16. Ne2 Na7 17. Bg2 Qc6 18. Qxc6 Nxc6 19. Nh4 Na5 20. Rhe1 Bd6 21. f4 Bg4 22. Bf3 Bxf3 23. Nxf3 Nc4 24. Nc3 c6 25. Nh4 Rhe8 26. Nf5 Bf8 27. Nb1 Re6 28. Nd2 Nxd2 29. Kxd2 Rde8 30. c3 Kc7 31. Re3 h5 32. Rde1 Kd7 33. Kd3 Kc7 34. h3 Kd7 35. R1e2 Kc7 36. a4 b6 37. Kd2 Kd7 1/2-1/2

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1934.09.03"]
[Round "3"]
[White "Drummond, Redpath"]
[Black "Opsahl, Haakon"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "72"]
[EventDate "1934.09.01"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd6 8. Nc3 Ne7 9. f4 Ng6 10. Nde2 f6 11. 0-0 0-0 12. f5 Ne5 13. Bf4 b6 14. Rad1 Re8 15. b3 Bb7 16. Kh1 b5 17. Nd4 c5 18. Nf3 Nf7 19. Bxd6 cxd6 20. Rfe1 Kf8 21. g4 Re7 22. Nd5 Bxd5 23. exd5 Rxe1+ 24. Rxe1 Ne5 25. Nxe5 fxe5 26. Re4 Kf7 27. a4 g6 28. fxg6+ Kxg6 29. Kg2 b4 30. h4 Rf8 31. Re3 Rf4 32. Kg3 Rd4 33. Rd3 c4 34. Rxd4 exd4 35. Kf3 d3 36. Ke3 dxc2 0-1

[Event "CAN-ch"]
[Site "Toronto"]
[Date "1934.09.01"]
[Round "1"]
[White "Morrison, John Stuart"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "C97"]
[PlyCount "109"]
[EventDate "1934.09.01"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 0-0 12. d5 Bd7 13. Nbd2 Rfe8 14. Nf1 g6 15. Bh6 Bf8 16. Qc1 Bg7 17. Ng3 Rf8 18. Nh4 Kh8 19. Bxg7+ Kxg7 20. f4 Ng8 21. fxe5 dxe5 22. Nhf5+ Bxf5 23. exf5 f6 24. fxg6 hxg6 25. Qd1 Nh6 26. b3 Rad8 27. c4 bxc4 28. bxc4 Nb7 29. Qd3 f5 30. Qc3 Rde8 31. Rab1 Rf7 32. Re2 Rfe7 33. Ba4 Rb8 34. Reb2 Nf7 35. Rb6 Nfd6 36. Bc6 a5 37. Ne2 Kg8 38. Qg3 Kh7 39. Nc3 Kg7 40. Na4 f4 41. Qa3 f3 42. gxf3 Rh8 43. Rxb7 Nxb7 44. Rxb7 Qd6 45. Qb3 Rxb7 46. Qxb7+ Kh6 47. Qd7 Qb8 48. Bb5 e4 49. d6 Rd8 50. Qc7 Qxc7 51. dxc7 Rc8 52. Nxc5 Rxc7 53. Nxe4 Kg7 54. Kf2 Kf7 55. Ke3 1-0

[Event "Western CA-34 Masters"]
[Site "Detroit"]
[Date "1933.09.??"]
[Round "11"]
[White "Opsahl, Haakon"]
[Black "Fine, Reuben"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "40"]
[EventDate "1933.09.23"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 cxd4 5. Nf3 Nc6 6. Bd3 Qc7 7. Bf4 Nge7 8. Qh3 f6 9. 0-0 Bd7 10. Re1 0-0-0 11. Bg3 fxe5 12. Nxe5 Nxe5 13. Bxe5 Qb6 14. Nd2 Nc6 15. Nf3 h5 16. a3 Be7 17. Bxg7 Rhg8 18. Be5 Qxb2 19. Reb1 Qc3 20. Rb3 Qxa1+ 0-1

[Event "Western CA-34 Masters"]
[Site "Detroit"]
[Date "1933.??.??"]
[Round "?"]
[White "Reshevsky, Samuel Herman"]
[Black "Opsahl, Haakon"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "77"]
[EventDate "1933.09.23"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 d5 6. Ne5 Nbd7 7. f4 a6 8. Qf3 g6 9. Nd2 c5 10. c3 Qc7 11. Qh3 Bg7 12. Ndf3 h6 13. Bd2 Ne4 14. a4 Ndf6 15. Be1 Qe7 16. Kh1 g5 17. Ng1 0-0-0 18. Qf3 h5 19. fxg5 Nxg5 20. Qf4 Nfe4 21. Bxe4 Bxe5 22. Qxe5 Nxe4 23. Qf4 f6 24. Bg3 Nxg3+ 25. Qxg3 Rdg8 26. Qh4 Rg6 27. Rf2 Kd7 28. a5 b5 29. dxc5 Rhg8 30. Ne2 Rg4 31. Qh3 d4 32. Nf4 Qxc5 33. cxd4 Qc6 34. Rd1 Rxf4 35. exf4 Qc4 36. f5 Qa4 37. fxe6+ Ke7 38. Qxh5 Rg7 39. d5 1-0

[Event "corr"]
[Site "corr"]
[Date "1931.??.??"]
[Round "?"]
[White "Opsahl, Haakon"]
[Black "Dyckhoff, Eduard"]
[Result "0-1"]
[ECO "C83"]
[PlyCount "72"]
[EventDate "1931.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Bc2 f5 12. exf6 Nxf6 13. Nd4 Nxd4 14. cxd4 Bd6 15. Nf3 Bg4 16. Qd3 Qe8 17. Re1 Qh5 18. Ne5 Rae8 19. f3 Bc8 20. Bf4 c5 21. Ng6 c4 22. Qd2 Bxf4 23. Nxf4 Qg5 24. g3 Nh5 25. Rxe8 Rxe8 26. Re1 Re6 27. Bxh7+ Kf7 28. Rxe6 Nxf4 29. Re3 g6 30. Kf2 Ne6 31. Re2 Qf6 32. Re5 Nc5 33. Kg2 Nd3 34. Rg5 Ne1+ 35. Kf1 Nxf3 36. Bxg6+ Kg7 0-1

