Event: Biel Chess Festival 2025
Date: 2025-07-17
White: Van Bogaert, Olivier
WhiteElo: 1793
Black: Aleksenko, Kirill
BlackElo: 1707
Result: 1-0
ECO: D02
Opening: Queen's Pawn Game: Chigorin Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... d5 { [%eval 0.2] [%clk 1:30:56] } 2. Nf3 { [%eval 0.08] [%clk 1:31:00] } 2... Nc6 { [%eval 0.5] [%clk 1:30:54] } 3. Bf4 { [%eval 0.23] [%clk 1:30:49] } 3... Nf6 { [%eval 0.39] [%clk 1:30:41] } 4. e3 { [%eval 0.18] [%clk 1:30:27] } 4... a6 { [%eval 0.46] [%clk 1:31:00] } 5. c4 { [%eval 0.43] [%clk 1:29:11] } 5... e6 { [%eval 0.61] [%clk 1:31:06] } 6. a3 { [%eval 0.45] [%clk 1:25:39] } 6... Bd6 { [%eval 0.58] [%clk 1:29:59] } 7. Nc3?! { [%eval -0.17] } { Inaccuracy. Bg3 was best. } { [%clk 1:23:01] } 7... Bxf4 { [%eval -0.19] [%clk 1:30:11] } 8. exf4 { [%eval -0.17] [%clk 1:23:29] } 8... O-O { [%eval 0.37] [%clk 1:29:39] } 9. Ne5 { [%eval -0.15] [%clk 1:17:18] } 9... Na5?! { [%eval 0.61] } { Inaccuracy. dxc4 was best. } { [%clk 1:23:17] } 10. c5 { [%eval 0.58] [%clk 1:09:22] } 10... Nd7 { [%eval 0.59] [%clk 1:17:53] } 11. b4?! { [%eval -0.15] } { Inaccuracy. Nf3 was best. } { [%clk 0:59:59] } 11... Nxe5 { [%eval -0.09] [%clk 1:16:05] } 12. fxe5 { [%eval -0.13] [%clk 1:00:00] } 12... Nc6 { [%eval -0.13] [%clk 1:16:22] } 13. b5?! { [%eval -1.21] } { Inaccuracy. Bd3 was best. } { [%clk 0:45:56] } 13... axb5 { [%eval -1.31] [%clk 1:14:00] } 14. Bxb5 { [%eval -1.25] [%clk 0:45:56] } 14... Qg5? { [%eval 0.24] } { Mistake. f6 was best. } { [%clk 1:14:00] } 15. O-O { [%eval 0.23] [%clk 0:43:48] } 15... Ne7 { [%eval 0.59] [%clk 1:12:56] } 16. Bd3 { [%eval 0.59] [%clk 0:37:02] } 16... g6?! { [%eval 1.43] } { Inaccuracy. Nc6 was best. } { [%clk 1:11:36] } 17. Nb5 { [%eval 1.4] [%clk 0:34:44] } 17... c6?! { [%eval 2.48] } { Inaccuracy. Bd7 was best. } { [%clk 1:07:32] } 18. Nd6 { [%eval 1.97] [%clk 0:33:44] } 18... Qf4 { [%eval 1.92] [%clk 1:05:14] } 19. Bc2 { [%eval 1.97] [%clk 0:31:38] } 19... Ra7 { [%eval 2.51] [%clk 0:58:02] } 20. g3 { [%eval 2.46] [%clk 0:30:31] } 20... Qh6 { [%eval 2.59] [%clk 0:55:52] } 21. Qd3 { [%eval 2.34] [%clk 0:19:25] } 21... Nf5 { [%eval 2.41] [%clk 0:54:53] } 22. f4 { [%eval 2.2] [%clk 0:16:24] } 22... Nxd6 { [%eval 2.83] [%clk 0:54:52] } 23. cxd6?! { [%eval 1.71] } { Inaccuracy. exd6 was best. } { [%clk 0:16:39] } 23... f6 { [%eval 2.18] [%clk 0:54:23] } 24. Qb3 { [%eval 2.16] [%clk 0:15:55] } 24... b5 { [%eval 2.33] [%clk 0:52:49] } 25. Qc3 { [%eval 1.89] [%clk 0:15:53] } 25... Bd7 { [%eval 1.87] [%clk 0:50:54] } 26. a4 { [%eval 1.51] [%clk 0:14:51] } 26... Rb7 { [%eval 2.07] [%clk 0:34:47] } 27. a5 { [%eval 2.06] [%clk 0:11:50] } 27... fxe5?! { [%eval 2.89] } { Inaccuracy. Ra7 was best. } { [%clk 0:31:48] } 28. dxe5?! { [%eval 1.78] } { Inaccuracy. fxe5 was best. } { [%clk 0:12:08] } 28... Ra8 { [%eval 2.06] [%clk 0:29:54] } 29. Qc5 { [%eval 1.55] [%clk 0:10:11] } 29... Ra6 { [%eval 1.97] [%clk 0:29:09] } 30. Bd3 { [%eval 2.03] [%clk 0:06:36] } 30... Qf8?! { [%eval 2.89] } { Inaccuracy. Rba7 was best. } { [%clk 0:24:46] } 31. g4 { [%eval 3.05] [%clk 0:06:03] } 31... Qd8?! { [%eval 4.38] } { Inaccuracy. Ra8 was best. } { [%clk 0:24:26] } 32. Qf2?! { [%eval 2.92] } { Inaccuracy. f5 was best. } { [%clk 0:05:00] } 32... Rxa5 { [%eval 2.59] [%clk 0:21:11] } 33. Kh1? { [%eval 1.03] } { Mistake. f5 was best. } { [%clk 0:04:16] } 33... Rxa1 { [%eval 1.0] [%clk 0:16:02] } 34. Rxa1 { [%eval 1.14] [%clk 0:04:15] } 34... b4?? { [%eval 3.52] } { Blunder. c5 was best. } { [%clk 0:16:02] } 35. f5 { [%eval 3.18] [%clk 0:04:21] } 35... Kg7?? { [%eval 6.42] } { Blunder. Qf8 was best. } { [%clk 0:12:16] } 36. f6+ { [%eval 5.21] [%clk 0:03:53] } 36... Kf7 { [%eval 5.57] [%clk 0:11:08] } 37. Qh4 { [%eval 5.38] [%clk 0:04:04] } 37... Qg8 { [%eval 5.41] [%clk 0:10:12] } 38. Ra8 { [%eval 5.19] [%clk 0:01:55] } 38... Be8 { [%eval 8.76] [%clk 0:10:40] } 39. Ba6 { [%eval 7.81] [%clk 0:01:18] } 39... Rd7 { [%eval 13.49] [%clk 0:09:56] } 40. Bc8 { [%eval 10.62] [%clk 0:01:38] } 40... g5?! { [%eval #31] } { Checkmate is now unavoidable. Re7 was best. } { [%clk 0:07:11] } 41. Qh5+ { [%eval #14] [%clk 0:25:16] } 41... Qg6 { [%eval #14] [%clk 0:37:15] } 42. Qxg6+?! { [%eval 10.06] } { Lost forced checkmate sequence. Bxd7 was best. } { [%clk 0:25:38] } 42... hxg6?! { [%eval #13] } { Checkmate is now unavoidable. Kxg6 was best. } { [%clk 0:35:48] } 43. Bxd7 { [%eval #12] [%clk 0:25:37] } 43... Bxd7 { [%eval #12] [%clk 0:35:48] } 44. Rb8 { [%eval #24] [%clk 0:25:37] } 44... c5 { [%eval #14] [%clk 0:35:48] } 45. Rb7 { [%eval #13] [%clk 0:25:38] } 45... Ke8 { [%eval #26] [%clk 0:35:41] } 46. f7+ { [%eval #18] [%clk 0:24:56] } 46... Kxf7 { [%eval #18] [%clk 0:35:55] } 47. Rxd7+ { [%eval #17] [%clk 0:25:22] } 47... Ke8 { [%eval #18] [%clk 0:36:14] } 48. Re7+ { [%eval #20] [%clk 0:23:23] } 48... Kd8 { [%eval #15] [%clk 0:36:36] } 49. Rxe6 { [%eval #14] [%clk 0:22:59] } 49... b3 { [%eval #14] [%clk 0:36:52] } 50. Rf6 { [%eval #18] [%clk 0:22:46] } 50... b2 { [%eval #16] [%clk 0:37:10] } 51. Rf1?! { [%eval 12.65] } { Lost forced checkmate sequence. Rf8+ was best. } { [%clk 0:22:54] } 51... c4?! { [%eval #11] } { Checkmate is now unavoidable. Kd7 was best. } { [%clk 0:37:21] } 52. e6 { [%eval #10] [%clk 0:23:16] } 52... Ke8 { [%eval #10] [%clk 0:37:26] } 53. e7 { [%eval #9] [%clk 0:18:37] } 53... Kd7 { [%eval #9] [%clk 0:37:12] } 54. Re1 { [%eval #8] [%clk 0:18:56] } 54... Ke8 { [%eval #8] [%clk 0:36:55] } 55. d7+ { [%eval #7] [%clk 0:19:10] } 55... Kxd7 { [%eval #7] [%clk 0:36:46] } 56. e8=Q+ { [%eval #6] [%clk 0:19:10] } 56... Kd6 { [%eval #4] [%clk 0:36:46] } 57. Qe5+ { [%eval #6] [%clk 0:18:12] } 57... Kc5 { [%eval #6] [%clk 0:37:06] } 58. Qxb2 { [%eval #5] [%clk 0:18:32] } 58... d4 { [%clk 0:37:27] } 59. Re5+ { [%clk 0:18:39] } 59... Kc6 { [%clk 0:37:41] } 60. Qb5+ { [%clk 0:18:38] } 60... Kd6 { [%clk 0:37:50] } 61. Qd5+ { [%clk 0:18:47] } 61... Kc7 { [%clk 0:38:06] } 62. Qxc4+ { [%clk 0:18:58] } 62... Kb7 { [%clk 0:38:20] } 63. Rb5+ { [%clk 0:19:27] } 63... Ka7 { [%clk 0:38:30] } 1-0