Event: Round 4: Bryan Smith - Gregory Kaidanov
Date: 2021-11-26
White: Bryan Smith
WhiteTitle: GM
Black: Gregory Kaidanov
BlackTitle: GM
Result: 1/2-1/2
ECO: C78
Opening: Ruy Lopez: Morphy Defense, Arkhangelsk Variation
Variant: Standard

1. e4 { [%eval 0.23] [%clk 1:35:29] } 1... e5 { [%eval 0.12] [%clk 1:40:36] } 2. Nf3 { [%eval 0.33] [%clk 1:35:53] } 2... Nc6 { [%eval 0.12] [%clk 1:40:55] } 3. Bb5 { [%eval 0.2] [%clk 1:36:12] } 3... a6 { [%eval 0.22] [%clk 1:41:09] } 4. Ba4 { [%eval 0.4] [%clk 1:36:38] } 4... Nf6 { [%eval 0.19] [%clk 1:41:30] } 5. O-O { [%eval 0.33] [%clk 1:36:52] } 5... b5 { [%eval 0.44] [%clk 1:41:25] } 6. Bb3 { [%eval 0.33] [%clk 1:37:17] } 6... Bb7 { [%eval 0.52] [%clk 1:41:49] } 7. d3 { [%eval 0.36] [%clk 1:37:02] } 7... Be7 { [%eval 0.38] [%clk 1:42:02] } 8. Re1 { [%eval 0.5] [%clk 1:35:52] } 8... O-O { [%eval 0.57] [%clk 1:42:25] } 9. Nbd2 { [%eval 0.39] [%clk 1:35:38] } 9... Re8 { [%eval 0.24] [%clk 1:41:43] } 10. a4 { [%eval 0.03] [%clk 1:26:40] } 10... Bf8 { [%eval 0.14] [%clk 1:38:38] } 11. Nf1 { [%eval 0.18] [%clk 1:24:17] } 11... Na5 { [%eval 0.08] [%clk 1:37:57] } 12. Ba2 { [%eval 0.21] [%clk 1:24:01] } 12... d5? { [%eval 1.24] } { Mistake. h6 was best. } { [%clk 1:31:31] } 13. exd5 { [%eval 1.3] [%clk 1:08:32] } 13... Bxd5 { [%eval 1.25] [%clk 1:30:55] } 14. Bxd5? { [%eval 0.05] } { Mistake. axb5 was best. } { [%clk 1:06:45] } 14... Qxd5 { [%eval 0.02] [%clk 1:31:13] } 15. axb5 { [%eval 0.02] [%clk 1:05:52] } 15... axb5 { [%eval 0.14] [%clk 1:31:12] } 16. Bg5 { [%eval 0.22] [%clk 1:02:38] } 16... Nd7 { [%eval 0.15] [%clk 1:29:32] } 17. Ne3 { [%eval 0.22] [%clk 1:00:27] } 17... Qe6 { [%eval 0.29] [%clk 1:25:48] } 18. d4 { [%eval 0.0] [%clk 0:54:43] } 18... e4 { [%eval 0.23] [%clk 1:18:04] } 19. Nd2 { [%eval 0.15] [%clk 0:54:02] } 19... Bd6 { [%eval 0.54] [%clk 1:08:20] } 20. f3 { [%eval 0.61] [%clk 0:50:43] } 20... exf3 { [%eval 0.68] [%clk 1:01:07] } 21. Qxf3 { [%eval 0.73] [%clk 0:48:40] } 21... Nb6 { [%eval 0.37] [%clk 0:54:42] } 22. c3 { [%eval 0.62] [%clk 0:33:41] } 22... Nac4 { [%eval 0.55] [%clk 0:42:53] } 23. Rxa8 { [%eval 0.48] [%clk 0:27:51] } 23... Rxa8 { [%eval 0.56] [%clk 0:43:15] } 24. Ndxc4 { [%eval 0.43] [%clk 0:27:50] } 24... bxc4 { [%eval 0.68] [%clk 0:43:38] } 25. Bh4 { [%eval 0.66] [%clk 0:27:12] } 25... Bf8 { [%eval 0.68] [%clk 0:32:36] } 26. Nf5 { [%eval 0.72] [%clk 0:18:12] } 26... Qg6 { [%eval 0.97] [%clk 0:31:40] } 27. Bg3 { [%eval 0.54] [%clk 0:15:19] } 27... c6 { [%eval 0.44] [%clk 0:30:27] } 28. h3 { [%eval 0.56] [%clk 0:13:16] } 28... Nd5 { [%eval 0.37] [%clk 0:30:17] } 29. Re4 { [%eval 0.25] [%clk 0:12:33] } 29... h5 { [%eval 0.7] [%clk 0:27:35] } 30. Kh2 { [%eval 0.38] [%clk 0:10:19] } 30... Qg5 { [%eval 0.38] [%clk 0:22:19] } 31. Bh4 { [%eval 0.0] [%clk 0:06:28] } 31... Qc1 { [%eval 0.0] [%clk 0:19:14] } 32. Qxh5 { [%eval 0.0] [%clk 0:05:02] } 32... g6 { [%eval 0.0] [%clk 0:18:53] } 33. Rg4 { [%eval 0.0] [%clk 0:03:23] } 33... Bg7 { [%eval 0.0] [%clk 0:11:09] } 34. Rxg6 { [%eval 0.0] [%clk 0:03:48] } 34... fxg6 { [%eval 0.0] [%clk 0:11:27] } 35. Qxg6 { [%eval 0.0] [%clk 0:04:08] } 35... Ra7 { [%eval 0.0] [%clk 0:11:52] } 36. Bg5 { [%eval 0.0] [%clk 0:03:42] } 36... Qf1 { [%eval 0.0] [%clk 0:10:56] } 37. Nh6+?? { [%eval -2.09] } { Blunder. h4 was best. } { [%clk 0:01:34] } 37... Kh8 { [%eval -1.6] [%clk 0:10:42] } 38. Nf5 { [%eval -1.3] [%clk 0:01:25] } 38... Nf4 { [%eval -1.6] [%clk 0:08:55] } 39. Qe8+ { [%eval -1.37] [%clk 0:01:22] } 39... Kh7 { [%eval -1.89] [%clk 0:09:23] } 40. Qe4? { [%eval -3.91] } { Mistake. Nh4 was best. } { [%clk 0:01:26] } 40... Ng6?? { [%eval -0.74] } { Blunder. Qxg2+ was best. } { [%clk 0:09:33] } 41. Qg4 { [%eval -0.63] [%clk 0:01:25] } 41... Rf7 { [%eval -0.83] [%clk 0:09:01] } 42. Nd6 { [%eval -0.77] [%clk 0:00:40] } 42... Rf2 { [%eval -0.67] [%clk 0:08:19] } 43. Be3 { [%eval -1.19] [%clk 0:00:52] } 43... Rf6? { [%eval -0.12] } { Mistake. Re2 was best. } { [%clk 0:05:58] } 44. Ne4 { [%eval -0.1] [%clk 0:01:05] } 44... Rf4?? { [%eval 5.2] } { Blunder. Bf8 was best. } { [%clk 0:04:07] } 45. Qh5+ { [%eval 5.61] [%clk 0:01:04] } 45... Bh6 { [%eval 6.93] [%clk 0:03:35] } 46. Ng5+? { [%eval 3.49] } { Mistake. Ng3 was best. } { [%clk 0:01:28] } 46... Kg7 { [%eval 3.21] [%clk 0:04:03] } 47. Ne6+ { [%eval 3.43] [%clk 0:01:41] } 47... Kh7?? { [%eval 8.15] } { Blunder. Kf7 was best. } { [%clk 0:04:05] } 48. Bxf4 { [%eval 8.46] [%clk 0:01:14] } 48... Nxf4? { [%eval #4] } { Checkmate is now unavoidable. Qxf4+ was best. } { [%clk 0:04:27] } 49. Qf7+?? { [%eval 0.0] } { Lost forced checkmate sequence. Ng5+ was best. } { [%clk 0:01:21] } 49... Kh8 { [%eval 0.0] [%clk 0:04:51] } 50. Qe8+ { [%eval 0.0] [%clk 0:01:17] } 50... Kh7 { [%eval 0.0] [%clk 0:05:15] } 51. Qf7+ { [%eval 0.0] [%clk 0:01:21] } 51... Kh8 { [%eval 0.0] [%clk 0:05:43] } 52. Qe8+ { [%eval 0.0] [%clk 0:01:22] } 52... Kh7 { [%eval 0.0] [%clk 0:06:08] } 53. Qf7+ { [%eval 0.0] [%clk 0:01:41] } 53... Kh8 { [%eval 0.0] [%clk 0:06:32] } 1/2-1/2