Event: Round 4: Sudharsan, Krishnan - Nikolaidis, Konstantinos
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-4/falyFzrg/8XaxNgeM
Date: 2025-10-24
White: Sudharsan, Krishnan
WhiteElo: 1891
Black: Nikolaidis, Konstantinos
BlackTitle: FM
BlackElo: 2123
Result: 1/2-1/2
ECO: E12
Opening: Queen's Indian Defense: Miles Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:46] } 2. c4 { [%eval 0.18] [%clk 1:31:21] } 2... e6 { [%eval 0.14] [%clk 1:30:42] } 3. Nf3 { [%eval 0.11] [%clk 1:30:51] } 3... b6 { [%eval 0.23] [%clk 1:25:29] } 4. Bf4 { [%eval 0.05] [%clk 1:28:51] } 4... Bb4+ { [%eval 0.08] [%clk 1:21:42] } 5. Nbd2 { [%eval 0.08] [%clk 1:23:47] } 5... Bb7 { [%eval 0.08] [%clk 1:20:16] } 6. a3 { [%eval 0.0] [%clk 1:23:36] } 6... Bxd2+ { [%eval 0.13] [%clk 1:18:50] } 7. Nxd2 { [%eval 0.08] [%clk 1:23:40] } 7... d6 { [%eval 0.15] [%clk 1:15:05] } 8. e3 { [%eval 0.23] [%clk 1:23:45] } 8... Nbd7 { [%eval 0.23] [%clk 1:14:18] } 9. Be2 { [%eval -0.11] [%clk 1:19:00] } 9... e5 { [%eval 0.02] [%clk 1:11:54] } 10. Bg5 { [%eval -0.01] [%clk 1:14:07] } 10... h6 { [%eval 0.0] [%clk 1:01:08] } 11. Bxf6 { [%eval -0.09] [%clk 1:12:30] } 11... Nxf6 { [%eval 0.17] [%clk 1:00:07] } 12. Bf3 { [%eval 0.23] [%clk 1:02:19] } 12... e4 { [%eval 0.19] [%clk 0:57:02] } 13. Be2 { [%eval 0.13] [%clk 1:00:05] } 13... O-O { [%eval 0.17] [%clk 0:53:35] } 14. b4 { [%eval 0.0] [%clk 0:59:34] } 14... c5 { [%eval -0.02] [%clk 0:49:52] } 15. Nb3 { [%eval 0.03] [%clk 0:58:28] } 15... Qe7 { [%eval 0.06] [%clk 0:48:06] } 16. O-O { [%eval -0.13] [%clk 0:56:56] } 16... Rac8 { [%eval 0.39] [%clk 0:43:12] } 17. Qd2 { [%eval 0.2] [%clk 0:55:47] } 17... Rfd8 { [%eval 0.42] [%clk 0:41:31] } 18. Rfc1 { [%eval 0.33] [%clk 0:47:47] } 18... Rc7 { [%eval 0.31] [%clk 0:33:06] } 19. a4 { [%eval 0.29] [%clk 0:38:30] } 19... Rcc8 { [%eval 0.54] [%clk 0:27:42] } 20. a5 { [%eval 0.53] [%clk 0:37:19] } 20... d5?! { [%eval 1.33] } { Inaccuracy. Rb8 was best. } { [%clk 0:25:58] } 21. a6 { [%eval 1.35] [%clk 0:21:14] } 21... Ba8 { [%eval 1.34] [%clk 0:24:50] } 22. bxc5 { [%eval 1.21] [%clk 0:20:33] } 22... dxc4 { [%eval 1.27] [%clk 0:23:24] } 23. Bxc4 { [%eval 1.28] [%clk 0:18:47] } 23... bxc5 { [%eval 1.23] [%clk 0:22:49] } 24. Qa2 { [%eval 0.82] [%clk 0:18:31] } 24... cxd4 { [%eval 0.92] [%clk 0:21:49] } 25. Nxd4 { [%eval 0.89] [%clk 0:18:53] } 25... Ng4?! { [%eval 1.84] } { Inaccuracy. g6 was best. } { [%clk 0:20:24] } 26. Nf5 { [%eval 1.84] [%clk 0:17:15] } 26... Qd7?! { [%eval 3.1] } { Inaccuracy. Qe5 was best. } { [%clk 0:10:53] } 27. Bxf7+ { [%eval 3.11] [%clk 0:17:20] } 27... Kh7 { [%eval 3.19] [%clk 0:06:59] } 28. Nd4?! { [%eval 1.86] } { Inaccuracy. Ng3 was best. } { [%clk 0:17:39] } 28... Rxc1+ { [%eval 2.48] [%clk 0:03:42] } 29. Rxc1 { [%eval 2.36] [%clk 0:18:00] } 29... Qd6 { [%eval 2.6] [%clk 0:03:24] } 30. g3 { [%eval 2.72] [%clk 0:15:54] } 30... Rf8?! { [%eval 4.28] } { Inaccuracy. Ne5 was best. } { [%clk 0:02:21] } 31. h3?? { [%eval 1.13] } { Blunder. Qe6 was best. } { [%clk 0:13:56] } 31... Nxe3 { [%eval 1.05] [%clk 0:01:15] } 32. Ne2?! { [%eval 0.0] } { Inaccuracy. Ne6 was best. } { [%clk 0:09:18] } 32... Qf6 { [%eval 0.0] [%clk 0:00:54] } 33. fxe3 { [%eval 0.0] [%clk 0:06:13] } 33... Rxf7 { [%eval 0.0] [%clk 0:01:21] } 34. Nd4?? { [%eval -2.74] } { Blunder. Nf4 was best. } { [%clk 0:06:32] } 34... Qg6?? { [%eval 0.0] } { Blunder. Qg5 was best. } { [%clk 0:00:42] } 35. Kg2 { [%eval 0.0] [%clk 0:06:43] } 35... Rf8 { [%eval 0.0] [%clk 0:00:40] } 36. Qe2 { [%eval 0.0] [%clk 0:03:29] } 36... Rf3 { [%eval 0.0] [%clk 0:00:48] } 37. Qe1 { [%eval -0.03] [%clk 0:03:37] } 37... Rf6 { [%eval 0.0] [%clk 0:00:53] } 38. Rc7 { [%eval 0.0] [%clk 0:02:21] } 38... Rxa6 { [%eval 0.0] [%clk 0:00:51] } 39. Qf2 { [%eval 0.0] [%clk 0:01:27] } 39... Bd5 { [%eval 0.0] [%clk 0:00:37] } 40. Qf5 { [%eval 0.0] [%clk 0:00:48] } 40... Ra2+ { [%eval 0.0] [%clk 0:00:48] } 41. Kg1 { [%eval 0.0] [%clk 0:01:04] } 41... Ra1+ { [%eval 0.0] [%clk 0:29:20] } 42. Kg2 { [%eval -0.04] [%clk 0:31:08] } 42... Ra2+ { [%eval 0.0] [%clk 0:25:37] } 43. Kg1 { [%eval -0.01] [%clk 0:31:33] } 43... Ra1+ { [%eval 0.0] [%clk 0:18:01] } 44. Kg2 { [%eval -0.01] [%clk 0:31:58] } 1/2-1/2