Event: Sardinia Worldchess
Date: 2024-05-01
White: Krishnan, Ritvik
WhiteTitle: FM
WhiteElo: 2298
Black: Costa, Leonardo
BlackTitle: IM
BlackElo: 2488
Result: 0-1
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard
TimeControl: 90min/40 + 30min + 30 sec each move

1. d4 { [%eval 0.14] [%clk 1:30:58] } 1... Nf6 { [%eval 0.22] [%clk 1:30:55] } 2. c4 { [%eval 0.21] [%clk 1:31:24] } 2... g6 { [%eval 0.28] [%clk 1:31:22] } 3. Nc3 { [%eval 0.21] [%clk 1:31:51] } 3... Bg7 { [%eval 0.53] [%clk 1:31:49] } 4. e4 { [%eval 0.48] [%clk 1:32:18] } 4... d6 { [%eval 0.49] [%clk 1:32:15] } 5. Be2 { [%eval 0.43] [%clk 1:32:46] } 5... O-O { [%eval 0.57] [%clk 1:32:39] } 6. Be3 { [%eval 0.62] [%clk 1:33:14] } 6... e5 { [%eval 0.65] [%clk 1:33:01] } 7. d5 { [%eval 0.57] [%clk 1:33:40] } 7... a5 { [%eval 0.74] [%clk 1:32:58] } 8. g4 { [%eval 0.89] [%clk 1:33:56] } 8... Na6 { [%eval 1.01] [%clk 1:31:13] } 9. g5 { [%eval 1.0] [%clk 1:33:07] } 9... Nd7 { [%eval 1.07] [%clk 1:28:02] } 10. h4 { [%eval 1.08] [%clk 1:33:35] } 10... Ndc5 { [%eval 0.96] [%clk 1:17:23] } 11. h5 { [%eval 1.08] [%clk 1:30:51] } 11... c6 { [%eval 1.02] [%clk 1:17:19] } 12. Nf3 { [%eval 1.05] [%clk 1:16:15] } 12... a4 { [%eval 0.96] [%clk 1:11:17] } 13. Nd2 { [%eval 1.07] [%clk 1:10:46] } 13... Qa5 { [%eval 1.41] [%clk 1:11:11] } 14. a3 { [%eval 1.35] [%clk 1:01:38] } 14... Bd7 { [%eval 1.49] [%clk 1:09:33] } 15. Kf1 { [%eval 1.37] [%clk 0:55:53] } 15... cxd5 { [%eval 1.34] [%clk 0:47:47] } 16. cxd5 { [%eval 1.31] [%clk 0:45:53] } 16... b5 { [%eval 1.3] [%clk 0:48:12] } 17. Kg2 { [%eval 1.55] [%clk 0:41:07] } 17... Rfb8?! { [%eval 2.19] } { Inaccuracy. f5 was best. } { [%clk 0:48:25] } 18. Rc1?! { [%eval 1.01] } { Inaccuracy. Rh4 was best. } { [%clk 0:35:39] } 18... Qd8 { [%eval 0.82] [%clk 0:43:36] } 19. hxg6 { [%eval 0.6] [%clk 0:31:13] } 19... hxg6 { [%eval 0.57] [%clk 0:31:41] } 20. Rh4 { [%eval 0.44] [%clk 0:30:34] } 20... b4 { [%eval 0.48] [%clk 0:30:57] } 21. axb4 { [%eval 0.23] [%clk 0:30:52] } 21... Rxb4?? { [%eval 2.09] } { Blunder. Nxb4 was best. } { [%clk 0:31:23] } 22. Rc2?? { [%eval -0.09] } { Blunder. Qh1 was best. } { [%clk 0:29:36] } 22... Rd4 { [%eval -0.37] [%clk 0:26:10] } 23. Qf1? { [%eval -1.88] } { Mistake. Qh1 was best. } { [%clk 0:24:28] } 23... Nb4 { [%eval -2.08] [%clk 0:25:56] } 24. Rc1 { [%eval -1.88] [%clk 0:24:41] } 24... Nb3?? { [%eval -0.05] } { Blunder. Nbd3 was best. } { [%clk 0:14:16] } 25. Nxb3 { [%eval -0.02] [%clk 0:24:12] } 25... axb3 { [%eval -0.03] [%clk 0:14:42] } 26. Rd1?? { [%eval -1.78] } { Blunder. Ra1 was best. } { [%clk 0:20:19] } 26... Nc2 { [%eval -1.69] [%clk 0:14:54] } 27. Bc1 { [%eval -1.73] [%clk 0:20:18] } 27... Ra1 { [%eval -2.0] [%clk 0:15:21] } 28. Rd3? { [%eval -3.92] } { Mistake. Rh2 was best. } { [%clk 0:19:57] } 28... Rxd3 { [%eval -4.06] [%clk 0:14:08] } 29. Bxd3 { [%eval -3.79] [%clk 0:20:26] } 29... Ne3+?! { [%eval -2.41] } { Inaccuracy. Rxc1 was best. } { [%clk 0:14:33] } 30. Bxe3 { [%eval -2.43] [%clk 0:20:35] } 30... Rxf1 { [%eval -2.55] [%clk 0:14:59] } 31. Kxf1 { [%eval -2.37] [%clk 0:20:12] } 31... Bf8 { [%eval -2.25] [%clk 0:13:14] } 32. Rh1 { [%eval -2.11] [%clk 0:19:31] } 32... Be7 { [%eval -2.01] [%clk 0:11:47] } 33. Rg1 { [%eval -1.91] [%clk 0:19:59] } 33... Qa5 { [%eval -1.93] [%clk 0:11:49] } 34. Ke2 { [%eval -1.94] [%clk 0:19:07] } 34... Bd8 { [%eval -1.98] [%clk 0:11:38] } 35. Kd2 { [%eval -2.07] [%clk 0:17:54] } 35... Bb6 { [%eval -1.64] [%clk 0:09:42] } 36. Bxb6 { [%eval -1.79] [%clk 0:15:36] } 36... Qxb6 { [%eval -1.79] [%clk 0:10:08] } 37. Ke2 { [%eval -1.77] [%clk 0:15:50] } 37... Qa7 { [%eval -1.77] [%clk 0:10:26] } 38. Bc4 { [%eval -1.39] [%clk 0:14:34] } 38... Kg7 { [%eval -1.62] [%clk 0:09:11] } 39. Bd3 { [%eval -1.6] [%clk 0:14:41] } 39... Qc7 { [%eval -1.51] [%clk 0:06:10] } 40. Rg3 { [%eval -1.51] [%clk 0:14:04] } 40... Qc8 { [%eval -1.37] [%clk 0:05:42] } 41. Rg1?! { [%eval -2.05] } { Inaccuracy. Kd2 was best. } { [%clk 0:09:28] } 41... Qh8 { [%eval -1.84] [%clk 0:00:59] } 42. Ke3?? { [%eval -4.11] } { Blunder. Bc4 was best. } { [%clk 0:02:50] } 42... Qh4 { [%eval -4.1] [%clk 0:28:36] } 43. Ne2 { [%eval -4.41] [%clk 0:22:29] } 43... Bg4 { [%eval -4.34] [%clk 0:28:31] } 44. f3 { [%eval -4.81] [%clk 0:21:43] } 44... Qxg5+ { [%eval -4.79] [%clk 0:28:54] } 45. f4 { [%eval -4.9] [%clk 0:21:41] } 45... Qh5 { [%eval -4.75] [%clk 0:27:05] } 0-1