Event: Round 4: Badrinath, S. - Koster, Ramon
Site: https://lichess.org/broadcast/2025-london-chess-classic--fide-open/round-4/0SbuZ22n/3vuN9Ihd
Date: 2025-11-29
White: Badrinath, S.
WhiteTitle: CM
WhiteElo: 2200
Black: Koster, Ramon
BlackTitle: FM
BlackElo: 2302
Result: 0-1
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:52] } 1... c6 { [%eval 0.31] [%clk 1:27:44] } 2. d4 { [%eval 0.24] [%clk 1:30:19] } 2... d5 { [%eval 0.24] [%clk 1:27:57] } 3. e5 { [%eval 0.33] [%clk 1:27:55] } 3... c5 { [%eval 0.32] [%clk 1:28:23] } 4. Nf3 { [%eval 0.32] [%clk 1:28:02] } 4... cxd4 { [%eval 0.25] [%clk 1:28:28] } 5. Qxd4 { [%eval 0.24] [%clk 1:28:12] } 5... Nc6 { [%eval 0.25] [%clk 1:28:41] } 6. Qf4 { [%eval 0.3] [%clk 1:28:35] } 6... g6 { [%eval 0.2] [%clk 1:28:34] } 7. Nc3 { [%eval 0.17] [%clk 1:23:20] } 7... d4 { [%eval 0.28] [%clk 1:28:34] } 8. Ne4 { [%eval -0.03] [%clk 1:20:52] } 8... Bh6 { [%eval -0.1] [%clk 1:18:48] } 9. Neg5 { [%eval -0.36] [%clk 0:57:14] } 9... f6 { [%eval -0.36] [%clk 0:58:02] } 10. exf6 { [%eval -0.28] [%clk 0:54:28] } 10... exf6 { [%eval -0.36] [%clk 0:58:12] } 11. Qe4+ { [%eval -0.34] [%clk 0:53:26] } 11... Kf8 { [%eval -0.36] [%clk 0:54:49] } 12. Ne6+ { [%eval -0.38] [%clk 0:48:40] } 12... Bxe6 { [%eval -0.41] [%clk 0:55:12] } 13. Bxh6+ { [%eval -0.36] [%clk 0:48:21] } 13... Nxh6 { [%eval -0.35] [%clk 0:54:44] } 14. Qxe6 { [%eval -0.34] [%clk 0:48:34] } 14... Qa5+ { [%eval -0.34] [%clk 0:52:37] } 15. Kd1 { [%eval -0.48] [%clk 0:48:28] } 15... Kg7 { [%eval -0.36] [%clk 0:51:17] } 16. Qd7+ { [%eval -0.39] [%clk 0:45:48] } 16... Nf7 { [%eval -0.28] [%clk 0:50:44] } 17. Bc4 { [%eval -0.33] [%clk 0:45:25] } 17... Rhf8 { [%eval -0.38] [%clk 0:46:10] } 18. Qxb7 { [%eval -0.42] [%clk 0:42:06] } 18... Rac8 { [%eval -0.42] [%clk 0:38:06] } 19. a3?! { [%eval -1.45] } { Inaccuracy. Bd3 was best. } { [%clk 0:22:51] } 19... Qc5? { [%eval -0.24] } { Mistake. Qd8 was best. } { [%clk 0:29:31] } 20. Qb5 { [%eval -0.19] [%clk 0:11:47] } 20... Qd6 { [%eval -0.22] [%clk 0:29:36] } 21. Bxf7 { [%eval -0.24] [%clk 0:10:33] } 21... Rxf7 { [%eval -0.22] [%clk 0:29:41] } 22. Re1 { [%eval -0.26] [%clk 0:10:46] } 22... Nd8 { [%eval -0.13] [%clk 0:10:50] } 23. Re8 { [%eval -0.14] [%clk 0:06:25] } 23... a6 { [%eval 0.35] [%clk 0:10:05] } 24. Qe2 { [%eval 0.0] [%clk 0:05:46] } 24... Rcc7 { [%eval 0.2] [%clk 0:09:16] } 25. Qe4 { [%eval -0.07] [%clk 0:02:52] } 25... Nb7 { [%eval 0.0] [%clk 0:04:02] } 26. Nh4?? { [%eval -4.28] } { Blunder. b4 was best. } { [%clk 0:01:20] } 26... Qc5?! { [%eval -2.87] } { Inaccuracy. Qd7 was best. } { [%clk 0:02:44] } 27. Qd3 { [%eval -3.28] [%clk 0:01:16] } 27... Nd6 { [%eval -3.01] [%clk 0:02:36] } 28. Re2 { [%eval -3.11] [%clk 0:01:34] } 28... Nc4 { [%eval -2.98] [%clk 0:02:55] } 29. Rb1 { [%eval -3.48] [%clk 0:01:13] } 29... Ne5 { [%eval -3.44] [%clk 0:02:02] } 30. Qg3 { [%eval -3.56] [%clk 0:01:20] } 30... d3 { [%eval -3.58] [%clk 0:01:30] } 31. cxd3 { [%eval -3.51] [%clk 0:01:19] } 31... Nxd3 { [%eval -3.46] [%clk 0:01:45] } 32. Rd2? { [%eval -6.72] } { Mistake. Qxd3 was best. } { [%clk 0:01:30] } 32... Rfd7 { [%eval -6.21] [%clk 0:01:11] } 33. Nf3 { [%eval -7.59] [%clk 0:00:40] } 33... Nxf2+ { [%eval -7.56] [%clk 0:00:40] } 34. Ke2 { [%eval -7.59] [%clk 0:01:09] } 34... Ne4 { [%eval -7.43] [%clk 0:00:53] } 35. Rxd7+ { [%eval -7.66] [%clk 0:00:45] } 35... Rxd7 { [%eval -7.45] [%clk 0:01:23] } 36. Qe1? { [%eval #-9] } { Checkmate is now unavoidable. Kf1 was best. } { [%clk 0:01:01] } 36... Qc4+ { [%eval #-8] [%clk 0:01:32] } 37. Ke3 { [%eval #-8] [%clk 0:01:20] } 37... Rd3+ { [%eval #-7] [%clk 0:01:38] } 38. Kf4 { [%eval #-4] [%clk 0:01:49] } 38... g5+ { [%eval #-3] [%clk 0:01:25] } 39. Kf5 { [%eval #-1] [%clk 0:01:48] } 39... Nd6# { [%clk 0:01:15] } 0-1