Event: MTO - 2023
Date: 2023-07-27
White: Matsumura Cocoro
WhiteElo: 2081
Black: Costello Alexander
BlackTitle: IM
BlackElo: 2224
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:40:39] } 1... c5 { [%eval 0.32] [%clk 1:40:48] } 2. Nf3 { [%eval 0.0] [%clk 1:41:02] } 2... Nc6 { [%eval 0.0] [%clk 1:41:10] } 3. Bb5 { [%eval 0.37] [%clk 1:41:20] } 3... e6 { [%eval 0.47] [%clk 1:41:32] } 4. O-O { [%eval 0.5] [%clk 1:41:37] } 4... Nge7 { [%eval 0.36] [%clk 1:41:52] } 5. Nc3 { [%eval 0.08] [%clk 1:41:54] } 5... a6 { [%eval 0.25] [%clk 1:38:44] } 6. Bxc6 { [%eval 0.0] [%clk 1:42:15] } 6... Nxc6 { [%eval 0.15] [%clk 1:39:11] } 7. d4 { [%eval -0.25] [%clk 1:42:37] } 7... cxd4 { [%eval 0.25] [%clk 1:39:36] } 8. Nxd4 { [%eval 0.25] [%clk 1:43:03] } 8... Qc7 { [%eval 0.28] [%clk 1:38:07] } 9. Nxc6 { [%eval 0.21] [%clk 1:42:27] } 9... Qxc6 { [%eval 0.53] [%clk 1:36:41] } 10. Qd4 { [%eval 0.0] [%clk 1:40:55] } 10... b5 { [%eval -0.1] [%clk 1:33:07] } 11. Bf4 { [%eval -0.23] [%clk 1:39:12] } 11... f6 { [%eval -0.23] [%clk 1:31:22] } 12. Qd3 { [%eval -0.21] [%clk 1:37:44] } 12... Bb7 { [%eval -0.21] [%clk 0:52:00] } 13. Rad1 { [%eval -0.58] [%clk 1:32:40] } 13... Bc5 { [%eval -0.09] [%clk 0:50:54] } 14. a3 { [%eval -0.07] [%clk 1:10:46] } 14... Rd8 { [%eval 0.06] [%clk 0:50:44] } 15. Bd6 { [%eval -0.1] [%clk 1:06:52] } 15... Bxd6 { [%eval -0.02] [%clk 0:44:23] } 16. Qxd6 { [%eval -0.02] [%clk 1:07:17] } 16... Qxd6 { [%eval -0.07] [%clk 0:44:46] } 17. Rxd6 { [%eval -0.12] [%clk 1:07:46] } 17... Bc6 { [%eval -0.03] [%clk 0:45:07] } 18. f3 { [%eval -0.04] [%clk 1:06:40] } 18... Ke7 { [%eval -0.05] [%clk 0:44:43] } 19. Rfd1 { [%eval -0.07] [%clk 1:05:32] } 19... Rhf8 { [%eval 0.0] [%clk 0:39:46] } 20. Ne2 { [%eval -0.04] [%clk 0:53:45] } 20... e5 { [%eval 0.17] [%clk 0:39:21] } 21. Nc1 { [%eval 0.0] [%clk 0:51:05] } 21... f5 { [%eval 0.01] [%clk 0:38:03] } 22. exf5 { [%eval 0.0] [%clk 0:45:50] } 22... Rxf5 { [%eval 0.02] [%clk 0:38:14] } 23. Na2 { [%eval 0.07] [%clk 0:39:36] } 23... Rf6 { [%eval 0.06] [%clk 0:36:55] } 24. R6d3 { [%eval -0.1] [%clk 0:38:55] } 24... d6 { [%eval 0.0] [%clk 0:33:53] } 25. Nb4 { [%eval -0.03] [%clk 0:38:03] } 25... Bb7 { [%eval 0.0] [%clk 0:33:55] } 26. a4 { [%eval -0.13] [%clk 0:36:24] } 26... Rf4 { [%eval -0.11] [%clk 0:30:11] } 27. c3 { [%eval -0.04] [%clk 0:32:37] } 27... bxa4 { [%eval -0.1] [%clk 0:30:31] } 28. Ra1 { [%eval -0.15] [%clk 0:31:48] } 28... a5 { [%eval -0.15] [%clk 0:30:22] } 29. Nd5+ { [%eval -0.1] [%clk 0:30:43] } 29... Bxd5 { [%eval -0.14] [%clk 0:30:47] } 30. Rxd5 { [%eval -0.11] [%clk 0:31:10] } 30... Ra8 { [%eval -0.17] [%clk 0:27:07] } 31. Rad1 { [%eval -0.09] [%clk 0:28:22] } 31... Ra6 { [%eval -0.18] [%clk 0:21:26] } 32. Rb5 { [%eval -0.08] [%clk 0:26:45] } 32... Ke6 { [%eval -0.06] [%clk 0:13:17] } 33. Rb7 { [%eval -0.14] [%clk 0:19:29] } 33... a3 { [%eval -0.06] [%clk 0:13:20] } 34. bxa3 { [%eval -0.08] [%clk 0:17:54] } 34... Ra4 { [%eval 0.0] [%clk 0:13:47] } 35. Rxg7 { [%eval 0.0] [%clk 0:17:17] } 35... Rxa3 { [%eval 0.0] [%clk 0:13:34] } 36. Rxh7 { [%eval 0.0] [%clk 0:12:43] } 36... Rxc3 { [%eval 0.0] [%clk 0:13:46] } 37. Rd2 { [%eval 0.0] [%clk 0:11:18] } 37... a4 { [%eval 0.0] [%clk 0:13:29] } 38. Rb7?? { [%eval -4.25] } { Blunder. Rh6+ was best. } { [%clk 0:09:06] } 38... Rb3 { [%eval -4.14] [%clk 0:07:31] } 39. Rb2 { [%eval -4.71] [%clk 0:00:48] } 39... Rxb7 { [%eval -4.96] [%clk 0:02:07] } 40. Rxb7 { [%eval -4.39] [%clk 0:01:17] } 40... a3 { [%eval -4.42] [%clk 0:02:23] } 41. Rb1 { [%eval -4.83] [%clk 0:01:34] } 41... a2 { [%eval -4.89] [%clk 0:01:27] } 42. Ra1 { [%eval -4.65] [%clk 0:02:00] } 42... Kf5? { [%eval -2.35] } { Mistake. Kd5 was best. } { [%clk 0:43:31] } 43. Kf2 { [%eval -2.43] [%clk 0:49:46] } 43... d5 { [%eval -3.28] [%clk 0:43:47] } 44. h4 { [%eval -3.64] [%clk 0:48:32] } 44... d4?? { [%eval -0.58] } { Blunder. Ra3 was best. } { [%clk 0:41:45] } 45. g4+ { [%eval -0.17] [%clk 0:48:18] } 45... Kf6 { [%eval -0.34] [%clk 0:41:34] } 46. Ke2 { [%eval -0.66] [%clk 0:46:42] } 46... Ra3 { [%eval -0.29] [%clk 0:41:53] } 47. Kf2 { [%eval -0.28] [%clk 0:45:46] } 47... Ke6 { [%eval -0.8] [%clk 0:38:22] } 48. Ke2 { [%eval -0.2] [%clk 0:43:53] } 48... e4 { [%eval 0.0] [%clk 0:38:41] } 49. fxe4 { [%eval 0.0] [%clk 0:42:08] } 49... Rh3 { [%eval 0.0] [%clk 0:38:54] } 50. Kf2?? { [%eval -3.31] } { Blunder. g5 was best. } { [%clk 0:39:21] } 50... Rh2+ { [%eval -3.5] [%clk 0:37:54] } 51. Kg3 { [%eval -3.0] [%clk 0:36:00] } 51... Rb2?? { [%eval 0.0] } { Blunder. Re2 was best. } { [%clk 0:37:40] } 52. h5 { [%eval -0.02] [%clk 0:32:42] } 52... d3 { [%eval -0.01] [%clk 0:36:23] } 53. h6 { [%eval -0.02] [%clk 0:32:22] } 53... Kf7 { [%eval 0.0] [%clk 0:36:51] } 54. e5 { [%eval 0.0] [%clk 0:32:03] } 54... Rb3 { [%eval 0.0] [%clk 0:28:51] } 55. e6+ { [%eval 0.0] [%clk 0:29:45] } 55... Kxe6 { [%eval 0.0] [%clk 0:29:12] } 56. h7 { [%eval 0.0] [%clk 0:29:53] } 56... d2+ { [%eval 0.0] [%clk 0:29:38] } 57. Kf2 { [%eval 0.0] [%clk 0:28:50] } 57... Rh3 { [%eval 0.0] [%clk 0:27:20] } 58. Ke2 { [%eval 0.0] [%clk 0:28:48] } 58... Rh2+ { [%eval 0.0] [%clk 0:27:19] } 59. Ke3 { [%eval 0.0] [%clk 0:28:22] } 59... Kd5 { [%eval 0.0] [%clk 0:26:01] } 60. h8=Q { [%eval 0.0] [%clk 0:27:12] } 60... Rxh8 { [%eval 0.0] [%clk 0:26:27] } 61. Kxd2 { [%eval 0.0] [%clk 0:27:36] } 61... Kc4 { [%eval 0.0] [%clk 0:26:54] } 62. Ke3 { [%eval 0.0] [%clk 0:24:46] } 62... Kb3 { [%eval 0.0] [%clk 0:26:31] } 63. g5?? { [%eval -5.22] } { Blunder. Kf4 was best. } { [%clk 0:24:36] } 63... Rh4 { [%eval -5.2] [%clk 0:26:35] } 64. Rg1 { [%eval -4.86] [%clk 0:22:14] } 64... Kb2 { [%eval -4.82] [%clk 0:23:07] } 65. Rg2+ { [%eval -4.87] [%clk 0:22:25] } 65... Ka3 { [%eval -5.2] [%clk 0:23:31] } 66. Rg1 { [%eval -5.19] [%clk 0:22:40] } 66... Rb4 { [%eval -5.23] [%clk 0:22:20] } 67. g6 { [%eval -4.79] [%clk 0:19:51] } 67... Rb1 { [%eval -4.79] [%clk 0:22:46] } 68. Rg5 { [%eval -4.82] [%clk 0:20:15] } 68... Kb4 { [%eval -5.13] [%clk 0:21:59] } 69. g7 { [%eval -4.83] [%clk 0:18:36] } 69... a1=Q { [%eval -5.07] [%clk 0:22:16] } 70. Rg4+? { [%eval -34.35] } { Mistake. g8=Q was best. } { [%clk 0:14:56] } 70... Kb5 { [%eval -35.76] [%clk 0:21:49] } 71. g8=Q?! { [%eval #-19] } { Checkmate is now unavoidable. Rg5+ was best. } { [%clk 0:13:29] } 71... Qe5+ { [%eval #-16] [%clk 0:15:13] } 72. Kf2 { [%eval #-12] [%clk 0:07:46] } 72... Qf5+ { [%eval #-18] [%clk 0:11:28] } 73. Ke2 { [%eval #-5] [%clk 0:02:33] } 73... Rb2+ { [%eval #-4] [%clk 0:09:43] } 74. Ke3 { [%eval #-4] [%clk 0:02:30] } 74... Qf2+ { [%eval #-3] [%clk 0:08:47] } 0-1