Event: Round 4: Cocoro Matsumura - Vyacheslav Ikonnikov
Date: 2022-08-08
White: Cocoro Matsumura
Black: Vyacheslav Ikonnikov
Result: 0-1
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:47] } 2. Nf3 { [%eval 0.0] [%clk 1:31:18] } 2... Nc6 { [%eval 0.0] [%clk 1:31:10] } 3. Bb5 { [%eval 0.51] [%clk 1:31:39] } 3... g6 { [%eval 0.59] [%clk 1:31:22] } 4. O-O { [%eval 0.2] [%clk 1:31:57] } 4... Bg7 { [%eval 0.43] [%clk 1:31:11] } 5. d3 { [%eval 0.28] [%clk 1:32:13] } 5... Nf6 { [%eval 0.33] [%clk 1:29:17] } 6. Nc3 { [%eval 0.28] [%clk 1:32:26] } 6... Nd4 { [%eval 0.3] [%clk 1:27:40] } 7. e5 { [%eval 0.44] [%clk 1:27:10] } 7... Ng4 { [%eval 0.26] [%clk 1:27:55] } 8. Nxd4 { [%eval 0.28] [%clk 1:26:28] } 8... cxd4 { [%eval 0.53] [%clk 1:28:18] } 9. Qxg4 { [%eval 0.14] [%clk 1:25:23] } 9... dxc3 { [%eval 0.31] [%clk 1:28:39] } 10. Qe4?! { [%eval -0.68] } { Inaccuracy. Qf4 was best. } { [%clk 1:23:12] } 10... Qb6 { [%eval -0.24] [%clk 1:18:31] } 11. a4 { [%eval -0.71] [%clk 1:19:56] } 11... a6 { [%eval -0.7] [%clk 1:18:46] } 12. Be3 { [%eval -0.8] [%clk 1:17:16] } 12... Qe6?! { [%eval 0.05] } { Inaccuracy. Qc7 was best. } { [%clk 1:19:05] } 13. Bc4 { [%eval 0.12] [%clk 1:16:44] } 13... Qxe5 { [%eval 0.12] [%clk 1:19:16] } 14. Qxe5 { [%eval 0.0] [%clk 1:13:41] } 14... Bxe5 { [%eval 0.03] [%clk 1:19:39] } 15. b4 { [%eval -0.5] [%clk 1:13:39] } 15... d6 { [%eval -0.21] [%clk 1:14:19] } 16. Bd5 { [%eval -0.38] [%clk 1:01:14] } 16... e6 { [%eval -0.33] [%clk 1:10:29] } 17. Bf3 { [%eval -0.35] [%clk 1:00:57] } 17... Bf6 { [%eval -0.57] [%clk 1:07:21] } 18. Ra3 { [%eval -0.24] [%clk 0:54:42] } 18... Bd7?! { [%eval 0.36] } { Inaccuracy. O-O was best. } { [%clk 0:39:48] } 19. Bxb7 { [%eval 0.2] [%clk 0:48:28] } 19... Rb8 { [%eval 0.17] [%clk 0:40:14] } 20. Bxa6 { [%eval 0.12] [%clk 0:48:48] } 20... Rxb4 { [%eval 0.1] [%clk 0:40:42] } 21. Bb5?! { [%eval -0.6] } { Inaccuracy. a5 was best. } { [%clk 0:36:58] } 21... Ke7 { [%eval -0.66] [%clk 0:29:04] } 22. Raa1 { [%eval -1.12] [%clk 0:30:45] } 22... Rb2 { [%eval -0.76] [%clk 0:22:50] } 23. Rfc1 { [%eval -0.94] [%clk 0:22:11] } 23... Ra8 { [%eval -0.75] [%clk 0:22:52] } 24. Kf1?! { [%eval -1.34] } { Inaccuracy. Bxd7 was best. } { [%clk 0:16:08] } 24... Bxb5 { [%eval -1.3] [%clk 0:15:51] } 25. axb5 { [%eval -1.16] [%clk 0:16:02] } 25... Rxa1 { [%eval -1.0] [%clk 0:16:17] } 26. Rxa1 { [%eval -1.57] [%clk 0:16:25] } 26... Rxb5 { [%eval -1.21] [%clk 0:16:46] } 27. Ra7+ { [%eval -0.89] [%clk 0:16:13] } 27... Kf8 { [%eval -1.18] [%clk 0:17:11] } 28. Bh6+?! { [%eval -2.01] } { Inaccuracy. Ke2 was best. } { [%clk 0:15:16] } 28... Ke8 { [%eval -1.14] [%clk 0:17:39] } 29. Ra8+ { [%eval -1.32] [%clk 0:15:37] } 29... Kd7 { [%eval -1.69] [%clk 0:17:02] } 30. Ra7+ { [%eval -1.7] [%clk 0:15:44] } 30... Kc6 { [%eval -1.41] [%clk 0:17:09] } 31. Rxf7 { [%eval -1.12] [%clk 0:15:13] } 31... Bd4 { [%eval -1.3] [%clk 0:17:08] } 32. Ke2?! { [%eval -1.99] } { Inaccuracy. Rf4 was best. } { [%clk 0:12:32] } 32... g5 { [%eval -2.11] [%clk 0:16:39] } 33. Rxh7?! { [%eval -3.13] } { Inaccuracy. g4 was best. } { [%clk 0:10:27] } 33... Rb2 { [%eval -3.63] [%clk 0:16:50] } 34. Rf7 { [%eval -3.61] [%clk 0:07:50] } 34... Rxc2+ { [%eval -2.76] [%clk 0:17:14] } 35. Ke1 { [%eval -3.62] [%clk 0:08:16] } 35... Rc1+ { [%eval -2.82] [%clk 0:14:58] } 36. Ke2 { [%eval -3.65] [%clk 0:08:40] } 36... Rg1 { [%eval -3.87] [%clk 0:12:07] } 37. Bxg5 { [%eval -3.63] [%clk 0:08:19] } 37... c2? { [%eval -1.97] } { Mistake. Rxg2 was best. } { [%clk 0:12:13] } 38. Rf8 { [%eval -2.23] [%clk 0:08:01] } 38... Kd5 { [%eval -2.25] [%clk 0:11:37] } 39. Rc8 { [%eval -2.04] [%clk 0:06:37] } 39... Bc5 { [%eval -2.1] [%clk 0:12:01] } 40. h4 { [%eval -2.48] [%clk 0:04:52] } 40... c1=Q { [%eval -2.16] [%clk 0:12:24] } 41. Bxc1 { [%eval -2.08] [%clk 0:05:16] } 41... Rxc1 { [%eval -1.94] [%clk 0:12:48] } 42. f4?! { [%eval -3.25] } { Inaccuracy. Rf8 was best. } { [%clk 0:05:24] } 42... Rc2+ { [%eval -3.29] [%clk 0:08:34] } 43. Kf3 { [%eval -3.49] [%clk 0:05:48] } 43... Rd2 { [%eval -3.46] [%clk 0:08:56] } 44. h5 { [%eval -4.1] [%clk 0:04:23] } 44... Rxd3+ { [%eval -4.1] [%clk 0:09:04] } 45. Kg4 { [%eval -4.1] [%clk 0:02:45] } 45... Bf2 { [%eval -4.36] [%clk 0:09:26] } 46. h6 { [%eval -4.24] [%clk 0:02:34] } 46... Rg3+ { [%eval -4.11] [%clk 0:09:38] } 47. Kh5 { [%eval -4.24] [%clk 0:02:59] } 47... Rxg2 { [%eval -4.41] [%clk 0:03:25] } 48. Rc2 { [%eval -5.35] [%clk 0:02:32] } 48... Ke4 { [%eval -5.38] [%clk 0:03:49] } 49. h7?? { [%eval #-22] } { Checkmate is now unavoidable. Rc8 was best. } { [%clk 0:01:36] } 49... Kf5 { [%eval #-38] [%clk 0:04:11] } 0-1