[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Abramson, N."] [Black "Sommerfeld, Gilbert"] [Result "0-1"] [BlackElo "2250"] [ECO "A24"] [EventDate "1986.??.??"] [PlyCount "108"] [EventCountry "CAN"] 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nbd7 8. Bd2 c6 9. Qc1 Nc5 10. b4 Ne6 11. Bh6 Ng4 12. Bxg7 Kxg7 13. Rb1 f5 14. Qb2 Qf6 15. b5 Nc5 16. Nd2 Bd7 17. h3 Nh6 18. Nb3 Ne6 19. Na5 Rab8 20. Qa3 Nc5 21. bxc6 bxc6 22. Nxc6 Bxc6 23. Bxc6 Qe7 24. Nd5 Qf7 25. Nb4 Rb6 26. Bd5 Qc7 27. d4 exd4 28. Qb2 Nd7 29. Qxd4+ Nf6 30. Nd3 g5 31. e4 fxe4 32. Bxe4 Rc8 33. Rfc1 Rxb1 34. Rxb1 Qxc4 35. Rb7+ Nf7 36. Qxc4 Rxc4 37. Bg2 Ra4 38. Rb2 a5 39. Kf1 h6 40. Ke2 Ne4 41. Rc2 Rxa2 42. Rxa2 Nc3+ 43. Kd2 Nxa2 44. Bd5 Nb4 45. Nxb4 axb4 46. Kc2 Ne5 47. Be4 Nd7 48. Kd2 Nc5 49. Bb1 Kf6 50. Ke3 Ke5 51. f4+ gxf4+ 52. gxf4+ Kd5 53. f5 Ke5 54. Kf3 d5 0-1

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Chubak, B."] [Black "Sommerfeld, Gilbert"] [Result "0-1"] [BlackElo "2250"] [ECO "E68"] [EventDate "1986.??.??"] [PlyCount "74"] [EventCountry "CAN"] 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. c4 d6 6. Nc3 Nbd7 7. e3 c6 8. O-O e5 9. dxe5 dxe5 10. Qc2 Qe7 11. e4 Nb6 12. b3 Ne8 13. Be3 Nd7 14. a3 Nc7 15. Rfd1 a5 16. Bh3 Ne6 17. Qb2 f5 18. Qe2 f4 19. Bxe6+ Qxe6 20. gxf4 exf4 21. Bd4 Bxd4 22. Nxd4 Qe7 23. f3 Ne5 24. Qg2 Qh4 25. Qf2 Qh5 26. Na4 Bh3 27. Kh1 Rad8 28. Nc5 b6 29. Nd3 Rxd4 30. Nxe5 Rxd1+ 31. Rxd1 Qxe5 32. Qd2 Qc5 33. a4 Qe3 34. Qd3 Qf2 35. Rg1 Rf7 36. e5 Rd7 37. Qe4 Bg2+ 0-1

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Chubak, B."] [Black "Sommerfeld, Gilbert"] [Result "0-1"] [BlackElo "2250"] [ECO "A25"] [EventDate "1986.??.??"] [PlyCount "106"] [EventCountry "CAN"] 1. c4 e5 2. Nc3 Nc6 3. d3 f5 4. g3 Nf6 5. Bg2 d6 6. e4 Be7 7. Nge2 O-O 8. O-O Rb8 9. a3 a6 10. b4 Nd4 11. Bg5 Nxe2+ 12. Nxe2 h6 13. Bxf6 Bxf6 14. Nc3 c6 15. Rb1 f4 16. b5 axb5 17. cxb5 Be6 18. a4 Qa5 19. Qc2 fxg3 20. fxg3 Bg5 21. Kh1 Rxf1+ 22. Rxf1 cxb5 23. Nxb5 Rc8 24. Qe2 Be7 25. Ra1 Qb4 26. Qe1 Qxe1+ 27. Rxe1 Bb3 28. Ra1 Rc2 29. Bf1 d5 30. Bg2 d4 31. h3 Rd2 32. Bf1 Kf7 33. h4 Kg6 34. Nc7 Rd1 35. Rxd1 Bxd1 36. a5 Bd8 37. a6 bxa6 38. Nxa6 Kh5 39. Kg1 Kg4 40. Kf2 Ba5 41. Nc5 Bb4 42. Ne6 g6 43. Nc7 Be7 44. Nd5 Bd8 45. Nb4 g5 46. hxg5 Bxg5 47. Nd5 h5 48. Kg2 h4 49. gxh4 Bxh4 50. Kg1 Kg3 51. Nb6 Bg5 52. Nc4 Be3+ 53. Nxe3 dxe3 0-1

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Chubak, B."] [Black "Sommerfeld, Gilbert"] [Result "1/2-1/2"] [BlackElo "2250"] [ECO "A16"] [EventDate "1986.??.??"] [PlyCount "170"] [EventCountry "CAN"] 1. c4 Nf6 2. Nc3 g6 3. d3 Bg7 4. Bd2 d6 5. g3 e5 6. Bg2 Nbd7 7. Nf3 a5 8. Nb5 Nc5 9. Bc3 c6 10. Na3 e4 11. Ng1 exd3 12. exd3 Qe7+ 13. Ne2 Bf5 14. O-O O-O 15. Nf4 Qc7 16. Nc2 Na4 17. Bd4 Bg4 18. f3 Be6 19. Nxe6 fxe6 20. b3 Nb6 21. Qd2 e5 22. Bc3 Nbd7 23. Kh1 Nc5 24. d4 exd4 25. Bxd4 Ne6 26. Bc3 a4 27. b4 Nd8 28. Rad1 Nf7 29. Rfe1 Rfe8 30. a3 Rad8 31. Nd4 Qd7 32. Qc2 Ne5 33. Bb2 Qf7 34. Bf1 c5 35. Nb5 Nxf3 36. Rxe8+ Qxe8 37. Bxf6 Qe3 38. Qg2 Bxf6 39. Rd3 Qg1+ 40. Qxg1 Nxg1 41. Kxg1 cxb4 42. axb4 Be7 43. c5 dxc5 44. Rxd8+ Bxd8 45. bxc5 Be7 46. c6 bxc6 47. Nc3 a3 48. Bg2 Bf6 49. Na2 c5 50. Kf1 Kf7 51. Ke2 Ke6 52. Kd3 h5 53. Be4 g5 54. Kc4 Kd6 55. Bg6 h4 56. gxh4 gxh4 57. h3 Bb2 58. Bh5 Kc6 59. Bf7 Kd6 60. Be8 Ke7 61. Bb5 Kd6 62. Kb3 Kd5 63. Bc4+ Kd4 64. Bb5 Kd5 65. Nc3+ Bxc3 66. Kxc3 Ke4 67. Bc4 Ke5 68. Kb3 Kd4 69. Bf7 c4+ 70. Kxa3 c3 71. Kb3 Kd3 72. Bg6+ Kd4 73. Bh7 Ke5 74. Kxc3 Kf6 75. Kd3 Kg7 76. Bf5 Kf6 77. Bg4 Kg6 78. Ke4 Kg5 79. Ke5 Kg6 80. Bc8 Kg7 81. Kf5 Kh6 82. Kg4 Kg6 83. Kxh4 Kh6 84. Bf5 Kg7 85. Kg5 Kh8 1/2-1/2

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Exner, H."] [Black "Sommerfeld, Gilbert"] [Result "1/2-1/2"] [BlackElo "2250"] [ECO "B92"] [EventDate "1986.??.??"] [PlyCount "108"] [EventCountry "CAN"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6 9. a4 Nbd7 10. f4 Qc7 11. Kh1 Rc8 12. f5 Bc4 13. a5 O-O 14. Bxc4 Qxc4 15. Ra4 Qc6 16. Be3 Rfd8 17. Qf3 Nf8 18. Bg5 d5 19. Bxf6 dxe4 20. Nxe4 gxf6 21. Qg4+ Kh8 22. Nc3 Nd7 23. Qh3 Rg8 24. Rh4 Rg7 25. Nd2 Rcg8 26. Nce4 Qxc2 27. g3 Nc5 28. Qg2 Nxe4 29. Nxe4 Qxg2+ 30. Kxg2 Rg4 31. Rxg4 Rxg4 32. Kf3 Rg8 33. Rc1 Bd8 34. Rc5 Kg7 35. Rd5 Bc7 36. Rd7 Rc8 37. b4 b6 38. axb6 Bxb6 39. Nd6 Rf8 40. Ke2 Kg8 41. Nc4 Bd4 42. Rd6 Rb8 43. Rxa6 Rxb4 44. Kd3 Rb3+ 45. Ke4 Rc3 46. Nd6 Bg1 47. Ra8+ Kg7 48. Ne8+ Kf8 49. Nxf6+ Kg7 50. Ne8+ Kh6 51. Kxe5 Bxh2 52. Kf4 Bxg3+ 53. Kg4 Be5 54. Ra6+ f6 1/2-1/2

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Sommerfeld, Gilbert"] [Black "Chubak, B."] [Result "1-0"] [WhiteElo "2250"] [ECO "B06"] [EventDate "1986.??.??"] [PlyCount "49"] [EventCountry "CAN"] 1. e4 g6 2. d4 Bg7 3. Nc3 e6 4. f4 Ne7 5. Nf3 d6 6. Bd3 c5 7. Ne2 cxd4 8. Nexd4 Nbc6 9. c3 a6 10. Be3 d5 11. e5 Bd7 12. a4 b6 13. Qe2 Qc8 14. Nxc6 Bxc6 15. Bxb6 Qb7 16. Bd4 O-O 17. b4 Rfd8 18. O-O Bf8 19. g4 Bh6 20. f5 gxf5 21. gxf5 Kh8 22. Qf2 Rg8+ 23. Kh1 Bd7 24. Qh4 Bf8 25. fxe6 1-0

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Sommerfeld, Gilbert"] [Black "Chubak, B."] [Result "1-0"] [WhiteElo "2250"] [ECO "B75"] [EventDate "1986.??.??"] [PlyCount "97"] [EventCountry "CAN"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 Bd7 8. Bc4 Nc6 9. Qd2 Nxd4 10. Bxd4 Bc6 11. O-O-O O-O 12. h4 h6 13. Bxf6 Bxf6 14. Qxh6 Bg7 15. Qxg6 Qc8 16. Bb3 e6 17. Qg5 Qd8 18. Qg3 e5 19. h5 Kh7 20. h6 Bf6 21. Rh5 Rg8 22. Qh3 Bd7 23. g4 Be6 24. Ne2 Qe7 25. Ng3 Rg5 26. Nf5 Bxf5 27. exf5 Rxh5 28. Qxh5 Bg5+ 29. Kb1 Rf8 30. Bd5 b6 31. Be4 Qf6 32. a3 Rd8 33. Rd3 Rd7 34. Rc3 d5 35. Bd3 Qxh6 36. f6+ e4 37. Qxh6+ Kxh6 38. fxe4 dxe4 39. Bxe4 Bxf6 40. Rc6 Kg5 41. Bf5 Re7 42. a4 Be5 43. c3 Rc7 44. Rxc7 Bxc7 45. Kc2 Kf6 46. Kd3 Ke5 47. Kc4 f6 48. Kb5 a5 49. Kc6 1-0

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Sommerfeld, Gilbert"] [Black "Chubak, B."] [Result "1-0"] [WhiteElo "2250"] [ECO "B75"] [EventDate "1986.??.??"] [PlyCount "99"] [EventCountry "CAN"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 a6 7. Bc4 Nf6 8. f3 Bd7 9. Qd2 Nc6 10. O-O-O b5 11. Bb3 Na5 12. Bh6 Nxb3+ 13. axb3 O-O 14. g4 Kh8 15. h4 Bxh6 16. Qxh6 Ng8 17. Qe3 h6 18. e5 b4 19. Nb1 d5 20. e6 fxe6 21. Nxe6 Bxe6 22. Qxe6 Rf6 23. Qe5 Qd6 24. Rxd5 Qxe5 25. Rxe5 Rxf3 26. g5 h5 27. Nd2 Rf4 28. Nc4 Raf8 29. Re6 Kh7 30. Ne5 Rc8 31. Rxa6 Rf2 32. Rc6 Ra8 33. Kb1 Ra5 34. Nd3 Rf8 35. Re1 Rfa8 36. Kc1 Ra1+ 37. Kd2 Rxe1 38. Kxe1 Ra1+ 39. Ke2 Rh1 40. Rc4 Rh2+ 41. Nf2 Rg2 42. Rxb4 Rg1 43. Ra4 Rc1 44. Kd2 Rf1 45. Rf4 Kg7 46. Nd3 Rh1 47. Ne5 Rh2+ 48. Kd3 Rh3+ 49. Kd4 e6 50. Rf7+ 1-0

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Sommerfeld, Gilbert"] [Black "Hussain, A."] [Result "1-0"] [WhiteElo "2250"] [ECO "C10"] [EventDate "1986.??.??"] [PlyCount "57"] [EventCountry "CAN"] 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 c5 9. c3 Qc7 10. O-O cxd4 11. cxd4 Bd6 12. Bg5 Nd7 13. Rc1 Qa5 14. Qe2 h6 15. Bh4 Nb6 16. a3 Bd7 17. Ne5 Qd5 18. Nxd7 Nxd7 19. Be4 Qb3 20. Rc3 Qb6 21. Qc2 O-O 22. Rb3 Qa6 23. Bxb7 Bxh2+ 24. Kxh2 Qxf1 25. Bxa8 Rxa8 26. Qc6 g5 27. Qxa8+ Kg7 28. Bg3 Qd1 29. Qf3 1-0

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "?"] [White "Sommerfeld, Gilbert"] [Black "Kowalczyk, Tadeusz"] [Result "1-0"] [WhiteElo "2250"] [ECO "C42"] [EventDate "1986.??.??"] [PlyCount "127"] [EventCountry "CAN"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Nf6 7. O-O O-O 8. h3 Nbd7 9. c4 d5 10. Nc3 dxc4 11. Bxc4 Nb6 12. Bd3 Be6 13. Qe2 Nbd5 14. Ng5 Nxc3 15. bxc3 Bd7 16. Re1 Bd6 17. Qc2 h6 18. Nf3 c5 19. Ba3 Qc7 20. Qb2 cxd4 21. cxd4 Bxa3 22. Qxa3 Qf4 23. Rad1 Bc6 24. Ne5 Bd5 25. g3 Qg5 26. Kh2 h5 27. h4 Ng4+ 28. Nxg4 Qxg4 29. Be2 Qe4 30. f3 Qf5 31. Rd3 Rac8 32. Rc1 Rxc1 33. Qxc1 Bxa2 34. Ra3 Rc8 35. Bd3 Rxc1 36. Bxf5 Bd5 37. Rxa7 b5 38. Rd7 g6 39. Rxd5 gxf5 40. Rxb5 Rc2+ 41. Kh3 f4 42. Rxh5 Rc3 43. Kg4 fxg3 44. Kxg3 Rc6 45. Rc5 Rd6 46. d5 Kg7 47. h5 Rh6 48. Kg4 Rd6 49. Kg5 f6+ 50. Kf5 Kh6 51. Kg4 Kg7 52. f4 Kh6 53. f5 Kg7 54. Kf4 Kh6 55. Ke4 Ra6 56. Rc6 Ra4+ 57. Ke3 Ra3+ 58. Kd4 Kg5 59. d6 Ra8 60. d7 Rd8 61. Rd6 Kxh5 62. Kd5 Kh6 63. Ke6 Kg5 64. Rd5 1-0

[Event "Saskatoon"] [Site "Saskatoon CAN"] [Date "1986.??.??"] [Round "5"] [White "Sommerfeld, Gilbert"] [Black "Sasata, Robert"] [Result "0-1"] [BlackElo "2195"] [ECO "B78"] [EventDate "1986.??.??"] [PlyCount "102"] [EventCountry "CAN"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. Nc3 Bg7 7. Bc4 O-O 8. Be3 Nc6 9. Qd2 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qd3 Qc8 17. Nde2 Re8 18. h5 Nxh5 19. f5 b5 20. Be3 Rxf5 21. exf5 Bxf5 22. Ne4 Nf6 23. N2g3 Nxe4 24. Nxe4 Qb7 25. Nc5 dxc5 26. Qd5 Qxd5 27. Rxd5 Be4 28. Bxc4 bxc4 29. Rhd1 Bxd5 30. Rxd5 Bd4 31. Bxd4 cxd4 32. Rxd4 Rc8 33. Rxg4 Kg7 34. Kd2 f5 35. Rd4 Kf6 36. Ke3 g5 37. Rd7 a6 38. Rb7 Rc6 39. b3 cxb3 40. cxb3 g4 41. b4 Rc3+ 42. Kd4 Ra3 43. Ra7 g3 44. Ra8 Kf7 45. Rc8 Rxa2 46. Ke5 g2 47. Rc1 Rf2 48. Rg1 Kg6 49. Kd4 Kg5 50. Ke3 Rb2 51. Kf3 e5 0-1