Event: Round 4: Piotr Brzezina - Andrey A. Ivanov
Date: 2023-09-08
White: Piotr Brzezina
Black: Andrey A. Ivanov
Result: 1-0
ECO: D85
Opening: Grünfeld Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:32] } 1... Nf6 { [%eval 0.28] [%clk 1:30:52] } 2. c4 { [%eval 0.16] [%clk 1:30:58] } 2... g6 { [%eval 0.3] [%clk 1:31:16] } 3. Nc3 { [%eval 0.31] [%clk 1:31:22] } 3... d5 { [%eval 0.2] [%clk 1:31:40] } 4. cxd5 { [%eval 0.4] [%clk 1:31:49] } 4... Nxd5 { [%eval 0.22] [%clk 1:32:00] } 5. Bd2 { [%eval 0.21] [%clk 1:32:14] } 5... Nxc3 { [%eval 0.37] [%clk 1:29:53] } 6. Bxc3 { [%eval 0.25] [%clk 1:31:43] } 6... Bg7 { [%eval 0.28] [%clk 1:30:01] } 7. e4 { [%eval 0.33] [%clk 1:32:03] } 7... O-O { [%eval 0.19] [%clk 1:29:58] } 8. Qd2 { [%eval 0.39] [%clk 1:32:26] } 8... Nd7 { [%eval 0.36] [%clk 1:22:23] } 9. h4 { [%eval 0.12] [%clk 1:27:02] } 9... e5 { [%eval 0.21] [%clk 1:15:36] } 10. d5 { [%eval 0.1] [%clk 1:21:16] } 10... f5 { [%eval 0.23] [%clk 1:05:08] } 11. Bc4?! { [%eval -0.7] } { Inaccuracy. exf5 was best. } { [%clk 0:59:53] } 11... Nf6?! { [%eval 0.27] } { Inaccuracy. Nc5 was best. } { [%clk 0:51:42] } 12. h5 { [%eval 0.23] [%clk 0:54:23] } 12... Nxe4?! { [%eval 1.28] } { Inaccuracy. gxh5 was best. } { [%clk 0:33:11] } 13. d6+ { [%eval 1.81] [%clk 0:54:24] } 13... Rf7 { [%eval 1.27] [%clk 0:33:33] } 14. dxc7?! { [%eval 0.41] } { Inaccuracy. Qd5 was best. } { [%clk 0:42:30] } 14... Qxc7 { [%eval 0.47] [%clk 0:32:53] } 15. Bxf7+ { [%eval 0.14] [%clk 0:42:53] } 15... Kxf7 { [%eval 0.12] [%clk 0:32:48] } 16. hxg6+ { [%eval 0.07] [%clk 0:43:17] } 16... hxg6 { [%eval -0.01] [%clk 0:33:10] } 17. Qe3 { [%eval 0.0] [%clk 0:42:06] } 17... Be6?! { [%eval 0.67] } { Inaccuracy. Bd7 was best. } { [%clk 0:30:30] } 18. Nf3 { [%eval 0.59] [%clk 0:38:28] } 18... Kg8?! { [%eval 1.2] } { Inaccuracy. Nxc3 was best. } { [%clk 0:26:51] } 19. Ng5 { [%eval 1.13] [%clk 0:33:52] } 19... Nxg5?! { [%eval 2.0] } { Inaccuracy. Bd5 was best. } { [%clk 0:25:15] } 20. Qxg5 { [%eval 2.05] [%clk 0:34:12] } 20... Bf7 { [%eval 1.86] [%clk 0:23:57] } 21. O-O { [%eval 1.91] [%clk 0:23:44] } 21... Rd8?! { [%eval 2.96] } { Inaccuracy. Qd8 was best. } { [%clk 0:22:26] } 22. Rfd1 { [%eval 2.98] [%clk 0:22:31] } 22... Rd6 { [%eval 3.08] [%clk 0:21:44] } 23. Qe3?! { [%eval 2.37] } { Inaccuracy. Bb4 was best. } { [%clk 0:11:09] } 23... b6?! { [%eval 3.12] } { Inaccuracy. f4 was best. } { [%clk 0:17:59] } 24. Rxd6 { [%eval 3.09] [%clk 0:10:53] } 24... Qxd6 { [%eval 3.07] [%clk 0:18:26] } 25. Re1 { [%eval 2.88] [%clk 0:11:11] } 25... e4 { [%eval 3.09] [%clk 0:16:27] } 26. Bxg7 { [%eval 2.9] [%clk 0:11:01] } 26... Kxg7 { [%eval 2.99] [%clk 0:16:54] } 27. Qc3+ { [%eval 2.79] [%clk 0:11:09] } 27... Kg8 { [%eval 3.27] [%clk 0:16:48] } 28. b3 { [%eval 3.26] [%clk 0:10:04] } 28... Qd7 { [%eval 3.99] [%clk 0:16:12] } 29. Rc1 { [%eval 4.06] [%clk 0:08:40] } 29... Qd6 { [%eval 4.31] [%clk 0:15:53] } 30. Qc8+ { [%eval 4.32] [%clk 0:07:22] } 30... Kg7 { [%eval 4.1] [%clk 0:16:03] } 31. Qc7 { [%eval 4.33] [%clk 0:07:37] } 31... Qe6 { [%eval 4.9] [%clk 0:13:55] } 32. Qc3+ { [%eval 4.48] [%clk 0:07:28] } 32... Kh7 { [%eval 4.59] [%clk 0:14:04] } 33. Rd1 { [%eval 3.75] [%clk 0:07:25] } 33... Qe7 { [%eval 4.31] [%clk 0:13:40] } 34. Qd4 { [%eval 4.16] [%clk 0:07:00] } 34... Qe6 { [%eval 4.64] [%clk 0:11:36] } 35. Qd6 { [%eval 4.48] [%clk 0:05:58] } 35... Qe8 { [%eval 4.96] [%clk 0:10:17] } 36. Qf6 { [%eval 4.98] [%clk 0:05:28] } 36... Qe6 { [%eval 5.21] [%clk 0:10:28] } 37. Qxe6 { [%eval 4.94] [%clk 0:05:28] } 37... Bxe6 { [%eval 5.25] [%clk 0:10:56] } 38. Rd6 { [%eval 5.33] [%clk 0:05:43] } 38... Bc8 { [%eval 5.34] [%clk 0:11:14] } 39. Rc6 { [%eval 5.39] [%clk 0:06:06] } 39... Ba6 { [%eval 5.2] [%clk 0:11:33] } 40. Rc7+ { [%eval 5.53] [%clk 0:06:28] } 40... Kh6 { [%eval 5.47] [%clk 0:11:59] } 41. Rxa7 { [%eval 5.61] [%clk 0:06:52] } 41... Bd3 { [%eval 5.61] [%clk 0:12:24] } 42. Rb7 { [%eval 5.74] [%clk 0:07:00] } 42... b5 { [%eval 5.69] [%clk 0:12:50] } 43. a4 { [%eval 5.79] [%clk 0:07:15] } 43... bxa4 { [%eval 5.77] [%clk 0:13:14] } 44. bxa4 { [%eval 5.72] [%clk 0:07:40] } 44... f4 { [%eval 5.71] [%clk 0:13:35] } 45. a5 { [%eval 5.93] [%clk 0:07:09] } 45... e3 { [%eval 6.7] [%clk 0:13:40] } 46. fxe3 { [%eval 6.68] [%clk 0:07:36] } 46... fxe3 { [%eval 6.53] [%clk 0:14:04] } 47. Rb3 { [%eval 6.42] [%clk 0:07:53] } 47... Ba6 { [%eval 6.58] [%clk 0:14:27] } 48. Rxe3 { [%eval 6.58] [%clk 0:08:17] } 48... Kh5 { [%eval 6.53] [%clk 0:14:53] } 49. Re6 { [%eval 6.55] [%clk 0:08:39] } 49... Bc4 { [%eval 6.78] [%clk 0:15:19] } 50. Rc6 { [%eval 6.76] [%clk 0:08:56] } 50... Bd3 { [%eval 6.51] [%clk 0:15:44] } 51. a6 { [%eval 6.62] [%clk 0:09:20] } 51... Kh4 { [%eval 6.9] [%clk 0:16:09] } 52. a7 { [%eval 6.58] [%clk 0:09:41] } 52... Be4?? { [%eval #7] } { Checkmate is now unavoidable. Kg5 was best. } { [%clk 0:16:17] } 53. Rc4 { [%eval #6] [%clk 0:10:06] } 53... Kg3 { [%eval #4] [%clk 0:16:44] } 54. Rxe4 { [%eval #3] [%clk 0:10:23] } 54... g5 { [%eval #3] [%clk 0:17:09] } 55. a8=Q { [%eval #2] [%clk 0:10:45] } 55... g4 { [%eval #2] [%clk 0:17:34] } 56. Qb8+ { [%eval #2] [%clk 0:10:51] } 56... Kh4 { [%eval #2] [%clk 0:17:59] } 57. g3+ { [%eval #2] [%clk 0:10:36] } 57... Kh3 { [%eval #2] [%clk 0:18:24] } 58. Qh8+ { [%eval #2] [%clk 0:11:02] } 58... Kxg3 { [%eval #2] [%clk 0:18:48] } 59. Qh2+ { [%clk 0:11:24] } 59... Kf3 { [%clk 0:19:11] } 60. Qg2# { [%clk 0:11:50] } 1-0