Event: Round 1: Krefenstein, Sergej - Matviienko, Mykhailo
Date: 2025-04-19
White: Krefenstein, Sergej
WhiteElo: 2014
Black: Matviienko, Mykhailo
BlackElo: 2159
Result: 0-1
ECO: C02
Opening: French Defense: Advance Variation, Main Line
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... e6 { [%eval 0.28] [%clk 1:30:50] } 2. d4 { [%eval 0.28] [%clk 1:31:15] } 2... d5 { [%eval 0.33] [%clk 1:31:17] } 3. e5 { [%eval 0.25] [%clk 1:30:18] } 3... c5 { [%eval 0.23] [%clk 1:31:42] } 4. c3 { [%eval 0.14] [%clk 1:30:46] } 4... Qb6 { [%eval 0.17] [%clk 1:31:53] } 5. Nf3 { [%eval 0.21] [%clk 1:31:10] } 5... Nc6 { [%eval 0.22] [%clk 1:32:16] } 6. a3 { [%eval 0.15] [%clk 1:31:26] } 6... a5 { [%eval 0.4] [%clk 1:32:18] } 7. Be2 { [%eval 0.0] [%clk 1:27:37] } 7... Bd7 { [%eval 0.25] [%clk 1:31:27] } 8. O-O { [%eval 0.1] [%clk 1:26:59] } 8... a4 { [%eval 0.02] [%clk 1:30:58] } 9. dxc5 { [%eval -0.27] [%clk 1:21:37] } 9... Bxc5 { [%eval -0.29] [%clk 1:31:08] } 10. c4 { [%eval -0.29] [%clk 1:19:33] } 10... dxc4 { [%eval 0.07] [%clk 1:22:45] } 11. Nbd2 { [%eval -0.41] [%clk 1:15:11] } 11... Na5 { [%eval -0.27] [%clk 1:21:38] } 12. Nxc4 { [%eval -0.59] [%clk 1:13:20] } 12... Nxc4 { [%eval -0.44] [%clk 1:21:59] } 13. Bxc4 { [%eval -0.53] [%clk 1:13:46] } 13... h6 { [%eval -0.14] [%clk 1:14:34] } 14. Qe2 { [%eval -0.63] [%clk 1:05:02] } 14... Ne7 { [%eval -0.68] [%clk 1:07:47] } 15. Bd2 { [%eval -0.78] [%clk 1:04:13] } 15... Bc6 { [%eval -0.69] [%clk 1:05:10] } 16. Rfd1 { [%eval -0.52] [%clk 0:58:30] } 16... Rd8 { [%eval -0.94] [%clk 1:03:11] } 17. Rab1 { [%eval -1.05] [%clk 0:48:03] } 17... O-O { [%eval -0.99] [%clk 0:58:26] } 18. b4 { [%eval -0.99] [%clk 0:46:38] } 18... axb3 { [%eval -1.02] [%clk 0:56:20] } 19. Bxb3 { [%eval -1.19] [%clk 0:44:39] } 19... Qc7 { [%eval -1.19] [%clk 0:55:10] } 20. Bb4 { [%eval -1.43] [%clk 0:41:22] } 20... Bxf3 { [%eval -1.14] [%clk 0:53:29] } 21. Qxf3 { [%eval -1.1] [%clk 0:41:32] } 21... Bxb4 { [%eval -0.94] [%clk 0:52:43] } 22. axb4 { [%eval -0.95] [%clk 0:41:37] } 22... Nc6 { [%eval -1.04] [%clk 0:52:07] } 23. Re1 { [%eval -0.9] [%clk 0:31:22] } 23... Nxb4 { [%eval -0.95] [%clk 0:48:53] } 24. Re4?! { [%eval -1.62] } { Inaccuracy. Rec1 was best. } { [%clk 0:25:55] } 24... Nc6 { [%eval -1.53] [%clk 0:39:17] } 25. Qc3 { [%eval -1.46] [%clk 0:19:54] } 25... Ra8?! { [%eval -0.69] } { Inaccuracy. b5 was best. } { [%clk 0:35:24] } 26. Ba4 { [%eval -0.76] [%clk 0:18:02] } 26... Ra6 { [%eval -0.24] [%clk 0:33:44] } 27. Rc4 { [%eval -0.3] [%clk 0:08:38] } 27... Qxe5 { [%eval -0.37] [%clk 0:32:31] } 28. Bxc6?? { [%eval -3.24] } { Blunder. Rxc6 was best. } { [%clk 0:08:35] } 28... Qxc3 { [%eval -3.15] [%clk 0:32:54] } 29. Rxc3 { [%eval -3.09] [%clk 0:08:59] } 29... Rxc6 { [%eval -3.36] [%clk 0:32:27] } 30. Rd3 { [%eval -3.15] [%clk 0:03:19] } 30... Rfc8 { [%eval -3.26] [%clk 0:31:58] } 31. Rdd1 { [%eval -3.07] [%clk 0:03:24] } 31... R6c7?! { [%eval -2.2] } { Inaccuracy. Rb8 was best. } { [%clk 0:31:31] } 32. g3 { [%eval -2.37] [%clk 0:03:09] } 32... Kf8 { [%eval -2.22] [%clk 0:31:54] } 33. Kg2 { [%eval -2.37] [%clk 0:03:24] } 33... Ke7 { [%eval -1.98] [%clk 0:32:16] } 34. Rb6 { [%eval -2.15] [%clk 0:02:56] } 34... Ra8 { [%eval -1.98] [%clk 0:30:54] } 35. Rdb1 { [%eval -2.21] [%clk 0:03:09] } 35... Ra7 { [%eval -2.19] [%clk 0:31:19] } 36. h4 { [%eval -2.17] [%clk 0:02:10] } 36... Kd8 { [%eval -2.04] [%clk 0:30:51] } 37. R1b4 { [%eval -2.5] [%clk 0:01:57] } 37... h5 { [%eval -2.44] [%clk 0:27:26] } 38. R6b5 { [%eval -2.54] [%clk 0:01:37] } 38... g6 { [%eval -2.47] [%clk 0:27:47] } 39. Kf3 { [%eval -2.69] [%clk 0:01:46] } 39... Kc8 { [%eval -2.48] [%clk 0:27:39] } 40. Kf4?! { [%eval -3.24] } { Inaccuracy. Rb2 was best. } { [%clk 0:01:16] } 40... Ra3 { [%eval -3.08] [%clk 0:22:50] } 41. f3 { [%eval -3.87] [%clk 0:01:07] } 41... Rac3 { [%eval -3.83] [%clk 0:21:33] } 42. g4 { [%eval -4.41] [%clk 0:00:57] } 42... R3c5? { [%eval -2.44] } { Mistake. R7c4+ was best. } { [%clk 0:20:48] } 43. Rb6 { [%eval -2.39] [%clk 0:00:50] } 43... Rd7 { [%eval -2.21] [%clk 0:18:58] } 44. R6b5?? { [%eval -4.8] } { Blunder. Ke4 was best. } { [%clk 0:00:55] } 44... Rd4+ { [%eval -4.7] [%clk 0:12:51] } 45. Rxd4 { [%eval -4.61] [%clk 0:01:19] } 45... Rxb5 { [%eval -4.46] [%clk 0:13:19] } 46. Ra4 { [%eval -4.52] [%clk 0:01:00] } 46... Kb8 { [%eval -4.29] [%clk 0:12:23] } 47. Ra3 { [%eval -5.11] [%clk 0:00:59] } 47... Rd5 { [%eval -5.14] [%clk 0:12:44] } 48. Re3 { [%eval -5.17] [%clk 0:27:10] } 48... b5 { [%eval -5.05] [%clk 0:42:34] } 49. Rb3 { [%eval -4.95] [%clk 0:26:02] } 49... Kb7 { [%eval -4.99] [%clk 0:42:50] } 50. Rc3 { [%eval -5.41] [%clk 0:26:21] } 50... b4 { [%eval -5.51] [%clk 0:43:00] } 51. Rb3 { [%eval -5.51] [%clk 0:26:42] } 51... Rb5 { [%eval -5.38] [%clk 0:43:28] } 52. gxh5 { [%eval -5.75] [%clk 0:27:00] } 52... gxh5 { [%eval -5.8] [%clk 0:43:41] } 53. Ke4 { [%eval -5.65] [%clk 0:27:12] } 53... Kc6 { [%eval -5.56] [%clk 0:44:00] } 54. Kd4 { [%eval -5.71] [%clk 0:27:31] } 54... Kd6 { [%eval -5.55] [%clk 0:44:28] } 55. f4 { [%eval -6.08] [%clk 0:27:41] } 55... Rf5 { [%eval -6.03] [%clk 0:44:38] } 56. Ke4 { [%eval -6.06] [%clk 0:27:56] } 56... Kc5 { [%eval -5.79] [%clk 0:45:02] } 0-1