Event: Round 8: Sean Vibbert - Praveen Balakrishnan
Date: 2023-12-30
White: Sean Vibbert
WhiteTitle: FM
Black: Praveen Balakrishnan
BlackTitle: GM
Result: 0-1
ECO: A06
Opening: Nimzo-Larsen Attack: Classical Variation
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 1:20:36] } 1... d5 { [%eval 0.34] [%clk 1:26:20] } 2. b3 { [%eval 0.0] [%clk 1:20:36] } 2... Nf6 { [%eval 0.13] [%clk 1:26:20] } 3. Bb2 { [%eval 0.0] [%clk 1:20:36] } 3... c5 { [%eval 0.21] [%clk 1:26:20] } 4. e3 { [%eval 0.1] [%clk 1:20:36] } 4... g6 { [%eval 0.25] [%clk 1:26:20] } 5. Bb5+ { [%eval 0.0] [%clk 1:19:28] } 5... Bd7 { [%eval 0.21] [%clk 1:26:20] } 6. Bxf6 { [%eval 0.0] [%clk 1:18:34] } 6... exf6 { [%eval 0.15] [%clk 1:26:20] } 7. Bxd7+ { [%eval 0.0] [%clk 1:18:34] } 7... Qxd7 { [%eval 0.21] [%clk 1:25:56] } 8. d4 { [%eval 0.11] [%clk 1:18:22] } 8... Nc6 { [%eval 0.13] [%clk 1:22:19] } 9. O-O { [%eval 0.1] [%clk 1:18:07] } 9... O-O-O { [%eval 0.07] [%clk 1:15:49] } 10. Nc3 { [%eval 0.0] [%clk 1:17:32] } 10... Kb8 { [%eval 0.15] [%clk 1:12:51] } 11. Na4 { [%eval -0.1] [%clk 1:15:47] } 11... cxd4 { [%eval -0.16] [%clk 1:11:11] } 12. Nxd4 { [%eval -0.17] [%clk 1:14:29] } 12... Bd6 { [%eval -0.1] [%clk 1:06:33] } 13. Kh1?! { [%eval -1.05] } { Inaccuracy. Nb5 was best. } { [%clk 1:11:46] } 13... Nxd4 { [%eval -0.88] [%clk 1:01:46] } 14. exd4 { [%eval -0.95] [%clk 1:11:46] } 14... Qf5 { [%eval -0.81] [%clk 1:01:39] } 15. Qf3?! { [%eval -1.43] } { Inaccuracy. Nc5 was best. } { [%clk 0:58:17] } 15... Qxf3 { [%eval -1.14] [%clk 0:54:47] } 16. gxf3 { [%eval -1.31] [%clk 0:58:17] } 16... Rc8 { [%eval -1.5] [%clk 0:54:47] } 17. c3 { [%eval -1.15] [%clk 0:57:59] } 17... b5 { [%eval -0.89] [%clk 0:53:58] } 18. Nc5 { [%eval -0.9] [%clk 0:57:59] } 18... Bxc5 { [%eval -0.94] [%clk 0:53:58] } 19. dxc5 { [%eval -0.76] [%clk 0:57:59] } 19... Rxc5 { [%eval -0.74] [%clk 0:53:58] } 20. Rad1 { [%eval -1.02] [%clk 0:57:55] } 20... a6 { [%eval -1.08] [%clk 0:42:22] } 21. Rfe1 { [%eval -1.13] [%clk 0:57:46] } 21... Rhc8 { [%eval -1.11] [%clk 0:40:20] } 22. Kg2 { [%eval -1.13] [%clk 0:56:52] } 22... Kb7 { [%eval -1.15] [%clk 0:31:18] } 23. b4 { [%eval -1.15] [%clk 0:55:04] } 23... Rxc3 { [%eval -1.2] [%clk 0:31:18] } 24. Rxd5 { [%eval -1.11] [%clk 0:55:04] } 24... R8c7 { [%eval -1.18] [%clk 0:29:20] } 25. Rd6 { [%eval -1.13] [%clk 0:48:30] } 25... R3c6 { [%eval -1.24] [%clk 0:27:03] } 26. Rd8 { [%eval -1.07] [%clk 0:47:05] } 26... Rc4 { [%eval -0.8] [%clk 0:22:40] } 27. a3 { [%eval -0.83] [%clk 0:45:55] } 27... Rc3 { [%eval -0.58] [%clk 0:20:37] } 28. Re3 { [%eval -0.64] [%clk 0:45:22] } 28... f5 { [%eval -0.52] [%clk 0:18:10] } 29. f4?! { [%eval -1.14] } { Inaccuracy. Rf8 was best. } { [%clk 0:42:36] } 29... Rxe3 { [%eval -1.82] [%clk 0:11:59] } 30. fxe3 { [%eval -1.59] [%clk 0:42:36] } 30... Rc3 { [%eval -1.35] [%clk 0:10:36] } 31. Rd7+ { [%eval -1.71] [%clk 0:37:32] } 31... Kc6 { [%eval -1.77] [%clk 0:10:36] } 32. Rxf7 { [%eval -1.84] [%clk 0:37:32] } 32... Rxa3 { [%eval -1.97] [%clk 0:10:36] } 33. Rxh7 { [%eval -1.05] [%clk 0:33:48] } 33... Rxe3 { [%eval -0.56] [%clk 0:10:36] } 34. Rg7?? { [%eval -4.65] } { Blunder. Rh6 was best. } { [%clk 0:27:57] } 34... Re6 { [%eval -4.7] [%clk 0:09:58] } 35. Kg3 { [%eval -4.92] [%clk 0:27:40] } 35... Kd5 { [%eval -5.02] [%clk 0:09:28] } 36. Kh4 { [%eval -5.44] [%clk 0:23:11] } 36... Kc4 { [%eval -5.27] [%clk 0:09:28] } 37. Kg5 { [%eval -5.55] [%clk 0:23:11] } 37... Kxb4 { [%eval -5.65] [%clk 0:09:28] } 38. h4 { [%eval -5.55] [%clk 0:23:11] } 38... a5 { [%eval -5.84] [%clk 0:09:28] } 39. h5 { [%eval -5.72] [%clk 0:23:11] } 39... gxh5 { [%eval -5.99] [%clk 0:09:28] } 40. Kxf5 { [%eval -5.6] [%clk 0:23:11] } 40... Ra6 { [%eval -5.76] [%clk 0:07:27] } 41. Kg5 { [%eval -5.67] [%clk 0:20:50] } 41... a4 { [%eval -6.35] [%clk 0:07:21] } 42. f5 { [%eval -6.32] [%clk 0:20:50] } 42... a3 { [%eval -6.73] [%clk 0:06:59] } 43. f6 { [%eval -7.24] [%clk 0:20:50] } 43... a2 { [%eval -7.12] [%clk 0:06:59] } 44. f7 { [%eval -8.56] [%clk 0:20:50] } 44... Ra8 { [%eval -9.49] [%clk 0:06:59] } 45. Rg8? { [%eval #-27] } { Checkmate is now unavoidable. f8=Q+ was best. } { [%clk 0:20:50] } 45... a1=Q { [%eval #-33] [%clk 0:06:59] } 0-1