WORLDBASE
9 games / 9 parties
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2023.07.30
109th ch-GBR 2023
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| 870557 | Koiza, Peter (1963) | Payne, Matthew J (2104) | 1/2-1/2 | |
| 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. e3 c5 7. Nge2 Nc6 8. O-O a6 9. dxc5 dxc5 10. Qxd8 Nxd8 11. Na4 Nd7 12. Nf4 Rb8 13. Nd5 Nc6 14. Bd2 e6 15. Nf4 Nce5 16. Rac1 Nxc4 17. Rxc4 b5 18. Rxc5 bxa4 19. Rc2 Bxb2 20. Rb1 Be5 21. Rxb8 Nxb8 22. Bb4 Rd8 23. Nd3 Bf6 24. Ba5 Rf8 25. Bc7 Bd7 26. Nc5 Bb5 27. Bb7 Be7 1/2-1/2 | ||||
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2023.07.29
109th ch-GBR 2023
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| 870528 | Dignam, M (2055) | Koiza, Peter (1963) | 1-0 | |
| 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Be3 Ne7 7. a4 Qc7 8. a5 a6 9. Nf3 f6 10. exf6 gxf6 11. Nh4 Bg6 12. Nxg6 hxg6 13. g3 Nf5 14. Qg4 O-O-O 15. Qxg6 Bb4+ 16. c3 Rdg8 17. Qf7 Qd6 18. Bf4 e5 19. dxe5 Nxe5 20. Bh3 Nxf7 21. Bxf5+ Kd8 22. Bxd6 Bxd6 23. O-O-O Ne5 24. Nd4 Rh5 25. Be6 Rgh8 26. h4 Nc4 27. Nf5 Bc7 28. b4 Nd6 29. Nxd6 Bxd6 30. Rd3 Re5 31. Bg4 Re4 32. Bf3 Rc4 33. Kb2 Kc7 34. Kb3 b6 35. axb6+ Kxb6 36. Ra1 Be5 37. Re3 Rb8 38. Be2 d4 39. Bxc4 dxe3 40. Rxa6+ Kb7 41. f4 Bc7 42. Ra2 Rd8 43. h5 Bd6 44. Re2 Rd7 45. Rxe3 Rh7 46. Be2 Kc7 47. Kc4 Rg7 48. Bd3 Re7 49. Rxe7+ Bxe7 50. h6 Bf8 51. h7 Bg7 52. Bf5 Kd6 53. Kd4 Bh8 54. c4 Bg7 55. b5 c5+ 56. Ke4 Bh8 57. Kf3 1-0 | ||||
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2023.07.28
109th ch-GBR 2023
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| 870490 | Koiza, Peter (1963) | Beaumont, C (2262) | 0-1 | |
| 1. Nf3 g6 2. c4 c5 3. g3 Bg7 4. Bg2 Nc6 5. O-O d6 6. Nc3 Nf6 7. d4 O-O 8. b3 Bg4 9. d5 Nxd5 10. cxd5 Bxc3 11. Bh6 Bxf3 12. exf3 Bxa1 13. Bxf8 Nd4 14. Bh6 Bc3 15. Qd3 Qa5 16. Qe4 Nf5 17. Bg5 Bf6 18. Bxf6 exf6 19. Bh3 Nd4 20. Qe7 Qd8 21. Qxb7 Rb8 22. Qd7 Qxd7 23. Bxd7 Nxf3+ 24. Kg2 Nd4 25. Re1 Kf8 26. Ba4 Nf5 27. Kf3 Ne7 28. Rd1 Rb4 29. a3 Rb6 30. Ke4 f5+ 31. Ke3 Ra6 32. f4 c4 33. Bb5 Rxa3 34. Bxc4 Nc8 35. Rd2 Nb6 36. Kd4 a5 37. Kc3 Ra1 38. Bb5 Rc1+ 39. Kd4 Rc5 40. Bc6 h5 41. Re2 Rc1 42. Kd3 Rd1+ 43. Kc2 Rd4 44. Kc3 Re4 45. Ra2 Re3+ 46. Kd4 Rxb3 47. Rxa5 Rb1 48. Rb5 Rxb5 49. Bxb5 Nc8 50. Bd7 Ne7 51. Ba4 Ng8 52. Bd1 Nf6 53. Bf3 Ke7 54. Bg2 Ng4 55. h3 Nf6 56. Bf3 Kd7 57. Be2 Kc7 58. Kc4 Kb6 59. Kd4 Ka5 60. Kc4 Ne4 61. g4 fxg4 62. hxg4 h4 63. Kd4 f5 64. Ke3 Kb4 65. Bf1 Kc5 66. gxf5 gxf5 67. Bh3 Ng3 68. Bg2 Kc4 69. Bf3 h3 70. Kf2 Ne4+ 71. Kg1 Kxd5 72. Kh2 Kd4 73. Kxh3 Ke3 74. Bxe4 Kxe4 0-1 | ||||
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2023.07.27
109th ch-GBR 2023
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| 870463 | Chan, Sheng Liang Bernard (2078) | Koiza, Peter (1963) | 1/2-1/2 | |
| 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. e3 b6 6. Bd3 Bb7 7. Bxb4 cxb4 8. Nbd2 a5 9. e4 d6 10. O-O O-O 11. a3 Na6 12. Qe2 e5 13. c5 bxc5 14. dxe5 dxe5 15. Nxe5 Re8 16. Ndf3 Qc7 17. Rad1 Rxe5 18. Nxe5 Qxe5 19. f4 Qd4+ 20. Kh1 c4 21. Bb1 Qc5 22. e5 Re8 23. Rfe1 Nd5 24. Qe4 g6 25. f5 Nc3 26. Qxb7 Nxd1 27. Rxd1 Qxe5 28. h3 Nc5 29. Qf3 Qxb2 30. fxg6 hxg6 31. Rf1 Qg7 32. axb4 axb4 33. Qd5 Ne6 34. Qxc4 Qd4 35. Qc6 Re7 36. Ba2 Qc3 37. Qd6 Qc5 38. Qg3 Qc3 39. Qd6 Qc5 40. Qg3 Qa7 41. Bb3 Qd4 1/2-1/2 | ||||
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2023.07.26
109th ch-GBR 2023
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| 870435 | Koiza, Peter (1963) | Kueh, Audrey (2096) | 1-0 | |
| 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bg4 6. Nc3 Nbd7 7. e4 e5 8. Nxe5 Nxe5 9. dxe5 Be6 10. Qa4 Ng4 11. Bf4 Bc5 12. Bg3 Qb6 13. Qc2 Bd4 14. Bd3 Bxe5 15. Bxe5 Nxe5 16. O-O Rd8 17. Rad1 O-O 18. Be2 h6 19. b3 Qc5 20. Qb2 b5 21. Nd5 Ng6 22. b4 Qd6 23. Nf6+ gxf6 24. Rxd6 Rxd6 25. Qxf6 Rfd8 26. e5 Rd2 27. f4 R8d4 28. f5 Rxe2 29. fxe6 Rdd2 30. Qxf7+ 1-0 | ||||
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2023.07.25
109th ch-GBR 2023
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| 870398 | Boswell, Jacob Connor (2163) | Koiza, Peter (1963) | 1-0 | |
| 1. c4 Nf6 2. Nf3 e6 3. e3 d5 4. Nc3 Be7 5. b3 O-O 6. Bb2 b6 7. cxd5 exd5 8. Be2 Bb7 9. O-O Nbd7 10. Rc1 a6 11. Qc2 Re8 12. Rfd1 Rc8 13. Qb1 Bd6 14. h3 c5 15. a4 d4 16. exd4 Nh5 17. d5 Nf4 18. Bc4 Ne5 19. Nxe5 Bxe5 20. Qf5 Rc7 21. Re1 Bc8 22. Qe4 Qg5 23. h4 Qxh4 24. g3 Nh3+ 25. Kg2 Qf6 26. f4 Rce7 27. Qf3 Bxf4 28. Rxe7 Rxe7 29. d6 Qxd6 30. Ne4 Rxe4 31. Qxe4 Qxd2+ 32. Be2 Bb7 33. Qxb7 Qxe2+ 34. Kxh3 Qh5+ 35. Kg2 Qe2+ 36. Kh3 Qh5+ 37. Kg2 Qe2+ 38. Kh1 Qh5+ 39. Kg1 Be3+ 40. Kf1 Qf5+ 41. Kg2 Qf2+ 42. Kh1 h5 43. Rd1 Qc2 44. Qa8+ Kh7 45. Qd5 f5 46. Qf3 Bh6 47. Be5 b5 48. Qd3 1-0 | ||||
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2023.07.24
109th ch-GBR 2023
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| 878400 | Koiza, Peter (1963) | Dong Bao Nghia (2327) | 0-1 | |
| 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Nge2 O-O 9. Ng3 Nbd7 10. Be2 a6 11. a4 b6 12. O-O Rb8 13. f4 Ne8 14. Bc4 Nc7 15. Qd3 b5 16. axb5 axb5 17. Nxb5 Nb6 18. Na7 Bd7 19. Nc6 Bxc6 20. dxc6 Nxc4 21. Qxc4 Rb4 22. Qd3 d5 23. exd5 Nxd5 24. Qf3 Qd6 25. Ne4 Qxc6 26. Nc3 Ne7 27. Qxc6 Nxc6 28. Ra6 Nd4 29. Re1 Ne6 30. f5 gxf5 31. Nd5 Rb7 32. Rf1 Rd8 33. Rxf5 Rbd7 34. Ne3 Nd4 35. Rxc5 Nb3 36. Rc4 Rd3 37. Ra3 Bd4 38. Kf2 Nxc1 39. Rxc1 Bxe3+ 40. Ke2 Rxa3 0-1 | ||||
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2023.07.23
109th ch-GBR 2023
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| 878382 | Ogunshola, B (2116) | Koiza, Peter (1963) | 0-1 | |
| 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. d3 h6 7. O-O O-O 8. Na4 Bb6 9. a3 Qe7 10. Nxb6 axb6 11. b3 Bg4 12. Bb2 Nd7 13. b4 f5 14. Nh4 Bh5 15. Bh3 f4 16. Qd2 Rf6 17. Nf5 Qf7 18. e4 fxe3 19. fxe3 Bg6 20. Nh4 Bh7 21. Bg2 Kh8 22. Qe2 Rf8 23. Nf3 Qh5 24. Rf2 Bf5 25. Raf1 Bg4 26. b5 Nd8 27. e4 Ne6 28. Qe3 Ndc5 29. d4 exd4 30. Nxd4 Rxf2 31. Rxf2 Rxf2 32. Qxf2 Nd3 33. Qd2 Nxb2 34. Nxe6 Bxe6 35. Qxb2 Qc5+ 36. Kh1 Bxc4 37. a4 Qe3 38. h3 Qxg3 39. Qd4 Be6 40. e5 Qe1+ 0-1 | ||||
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2023.07.22
109th ch-GBR 2023
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| 878347 | Koiza, Peter (1963) | Merriman, J (2274) | 0-1 | |
| 1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3 O-O 9. Bd3 b5 10. Nxb5 Nxe4 11. Bxe4 Re8 12. Nd2 Ba6 13. a4 Qa5 14. Nxd6 Rd8 15. Nb5 Bxb5 16. axb5 Qxa1 17. d6 Nd7 18. Bxa8 Rxa8 19. O-O Qa5 20. Qe2 Rb8 21. Re1 Bf8 22. Nc4 Qxb5 23. Bg5 h6 24. Be7 Bg7 25. Qe4 Bd4 26. Qd5 Qb4 27. Re4 Qb7 28. Qxb7 Rxb7 29. Bd8 Bxb2 30. Re7 Bf6 31. Rxd7 Rxd7 32. Bxf6 Kf8 33. Be7+ Ke8 34. Na5 a6 35. Kf1 Ra7 36. Ke2 Kd7 37. Nc4 Rb7 38. Kd3 Rb3+ 39. Kc2 Rb5 0-1 | ||||