Event: SixDays Budapest July GM B
Site: Budapest
Date: 2024-08-02
White: Ezra Paul Chambers
WhiteTitle: FM
WhiteElo: 2339
Black: Koustav Chatterjee
BlackTitle: GM
BlackElo: 2524
Result: 0-1
ECO: C70
Opening: Ruy Lopez: Morphy Defense, Classical Defense Deferred
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:56] } 1... e5 { [%eval 0.21] [%clk 1:30:13] } 2. Nf3 { [%eval 0.11] [%clk 1:31:20] } 2... Nc6 { [%eval 0.19] [%clk 1:30:19] } 3. Bb5 { [%eval 0.19] [%clk 1:31:42] } 3... a6 { [%eval 0.25] [%clk 1:30:40] } 4. Ba4 { [%eval 0.14] [%clk 1:32:04] } 4... Bc5 { [%eval 0.42] [%clk 1:31:04] } 5. O-O { [%eval 0.37] [%clk 1:31:57] } 5... Nge7 { [%eval 0.36] [%clk 1:31:30] } 6. c3 { [%eval 0.28] [%clk 1:31:04] } 6... Ng6 { [%eval 0.34] [%clk 1:31:53] } 7. d4 { [%eval 0.39] [%clk 1:31:19] } 7... Ba7 { [%eval 0.35] [%clk 1:32:19] } 8. Bg5 { [%eval 0.53] [%clk 1:30:41] } 8... f6 { [%eval 0.51] [%clk 1:32:43] } 9. Be3 { [%eval 0.51] [%clk 1:31:07] } 9... O-O { [%eval 0.45] [%clk 1:33:08] } 10. Nbd2 { [%eval 0.46] [%clk 1:30:37] } 10... d6 { [%eval 0.42] [%clk 1:33:32] } 11. Re1 { [%eval 0.43] [%clk 1:30:45] } 11... Kh8 { [%eval 0.56] [%clk 1:33:55] } 12. Bc2 { [%eval 0.28] [%clk 1:28:20] } 12... a5 { [%eval 0.28] [%clk 1:29:15] } 13. h3 { [%eval 0.31] [%clk 1:27:07] } 13... f5 { [%eval 0.14] [%clk 1:29:35] } 14. exf5 { [%eval 0.14] [%clk 1:10:23] } 14... Bxf5 { [%eval 0.25] [%clk 1:28:46] } 15. Ba4? { [%eval -0.87] } { Mistake. Bxf5 was best. } { [%clk 1:10:30] } 15... exd4 { [%eval -0.89] [%clk 1:20:55] } 16. cxd4 { [%eval -0.96] [%clk 1:09:28] } 16... Nb4 { [%eval -0.69] [%clk 1:19:37] } 17. Ng5?! { [%eval -1.58] } { Inaccuracy. Bg5 was best. } { [%clk 0:50:52] } 17... h6?! { [%eval -0.74] } { Inaccuracy. Nd3 was best. } { [%clk 1:07:04] } 18. Qh5 { [%eval -0.51] [%clk 0:49:49] } 18... Bxd4 { [%eval -0.64] [%clk 0:57:08] } 19. Nf7+ { [%eval -0.99] [%clk 0:26:54] } 19... Rxf7 { [%eval -0.86] [%clk 0:57:19] } 20. Bxd4 { [%eval -0.82] [%clk 0:27:20] } 20... Qh4 { [%eval -0.97] [%clk 0:53:03] } 21. Qxh4 { [%eval -0.94] [%clk 0:27:33] } 21... Nxh4 { [%eval -0.83] [%clk 0:53:27] } 22. g3 { [%eval -1.19] [%clk 0:26:50] } 22... Ng6 { [%eval -1.18] [%clk 0:53:24] } 23. g4?! { [%eval -2.2] } { Inaccuracy. Bb3 was best. } { [%clk 0:19:47] } 23... Bc2?! { [%eval -1.56] } { Inaccuracy. Bd7 was best. } { [%clk 0:42:05] } 24. a3 { [%eval -1.69] [%clk 0:19:32] } 24... Bxa4 { [%eval -1.73] [%clk 0:41:50] } 25. axb4 { [%eval -1.51] [%clk 0:20:00] } 25... Bc6 { [%eval -1.08] [%clk 0:42:14] } 26. bxa5 { [%eval -1.06] [%clk 0:19:12] } 26... Kh7?! { [%eval -0.47] } { Inaccuracy. Nf4 was best. } { [%clk 0:38:46] } 27. Ra3 { [%eval -0.6] [%clk 0:17:48] } 27... Rf4 { [%eval -0.51] [%clk 0:33:18] } 28. Be3 { [%eval -0.58] [%clk 0:17:26] } 28... Rb4 { [%eval -0.53] [%clk 0:33:45] } 29. b3 { [%eval -0.37] [%clk 0:17:30] } 29... Nf4 { [%eval -0.3] [%clk 0:30:50] } 30. Kh2 { [%eval -0.61] [%clk 0:12:47] } 30... Rf8 { [%eval -0.28] [%clk 0:29:52] } 31. Rc1 { [%eval -0.32] [%clk 0:12:42] } 31... Nd3 { [%eval -0.16] [%clk 0:24:23] } 32. Rc4 { [%eval -0.16] [%clk 0:07:26] } 32... Rxc4 { [%eval -0.14] [%clk 0:21:40] } 33. bxc4 { [%eval -0.17] [%clk 0:07:55] } 33... Nxf2 { [%eval -0.13] [%clk 0:22:03] } 34. a6 { [%eval -0.27] [%clk 0:06:58] } 34... b6 { [%eval 0.0] [%clk 0:20:56] } 35. a7 { [%eval -0.12] [%clk 0:06:36] } 35... Ba8 { [%eval -0.04] [%clk 0:17:06] } 36. Bd4 { [%eval -0.56] [%clk 0:04:25] } 36... c5 { [%eval -0.33] [%clk 0:17:09] } 37. Be3 { [%eval -0.31] [%clk 0:04:43] } 37... Nd1 { [%eval -0.29] [%clk 0:16:51] } 38. Bg1? { [%eval -1.7] } { Mistake. Kg3 was best. } { [%clk 0:04:32] } 38... Re8 { [%eval -1.76] [%clk 0:17:19] } 39. Kg3 { [%eval -1.63] [%clk 0:03:36] } 39... Re2 { [%eval -1.73] [%clk 0:17:47] } 40. Nf3 { [%eval -1.3] [%clk 0:03:54] } 40... Rc2 { [%eval -1.19] [%clk 0:15:47] } 41. Rd3?? { [%eval -3.41] } { Blunder. g5 was best. } { [%clk 0:03:35] } 41... Nc3 { [%eval -3.44] [%clk 0:16:06] } 42. Re3?! { [%eval -4.53] } { Inaccuracy. Kf4 was best. } { [%clk 0:02:10] } 42... Ne4+ { [%eval -4.39] [%clk 0:10:54] } 43. Kf4 { [%eval -4.71] [%clk 0:02:22] } 43... Rxc4 { [%eval -4.6] [%clk 0:11:18] } 44. Kf5 { [%eval -4.7] [%clk 0:02:35] } 44... Bd5 { [%eval -4.81] [%clk 0:11:42] } 45. Nh4 { [%eval -4.9] [%clk 0:02:48] } 45... Ra4 { [%eval -4.63] [%clk 0:11:27] } 46. g5 { [%eval -5.46] [%clk 0:00:52] } 46... hxg5 { [%eval -5.39] [%clk 0:11:35] } 47. Nf3?? { [%eval #-2] } { Checkmate is now unavoidable. Ng2 was best. } { [%clk 0:00:59] } 47... g6+ { [%eval #-1] [%clk 0:10:54] } 48. Kg4 { [%clk 0:01:18] } 48... Be6# { [%clk 0:11:21] } 0-1