Event: Round 4: Kalavannan, Koby - Deepak Ambattu, Rithvik
Site: https://lichess.org/broadcast/2025-london-chess-classic--fide-open/round-4/0SbuZ22n/zTNqTyRz
Date: 2025-11-29
White: Kalavannan, Koby
WhiteTitle: FM
WhiteElo: 2275
Black: Deepak Ambattu, Rithvik
BlackTitle: CM
BlackElo: 2168
Result: 1-0
ECO: A06
Opening: Zukertort Opening
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:29:45] } 1... d5 { [%eval 0.18] [%clk 1:30:30] } 2. e3 { [%eval 0.0] [%clk 1:29:01] } 2... Nf6 { [%eval 0.01] [%clk 1:30:45] } 3. c4 { [%eval 0.07] [%clk 1:29:18] } 3... e6 { [%eval 0.16] [%clk 1:31:11] } 4. Nc3 { [%eval 0.01] [%clk 1:29:34] } 4... Be7 { [%eval 0.07] [%clk 1:31:01] } 5. b3 { [%eval 0.03] [%clk 1:29:43] } 5... O-O { [%eval 0.08] [%clk 1:30:43] } 6. Bb2 { [%eval 0.05] [%clk 1:29:42] } 6... c5 { [%eval 0.09] [%clk 1:30:49] } 7. cxd5 { [%eval 0.11] [%clk 1:29:30] } 7... exd5 { [%eval 0.11] [%clk 1:27:09] } 8. d4 { [%eval 0.2] [%clk 1:29:09] } 8... Nc6 { [%eval 0.18] [%clk 1:27:09] } 9. Be2 { [%eval 0.23] [%clk 1:28:36] } 9... Bf5 { [%eval 0.45] [%clk 1:17:48] } 10. dxc5 { [%eval 0.27] [%clk 1:22:54] } 10... Bxc5 { [%eval 0.23] [%clk 1:16:37] } 11. O-O { [%eval 0.25] [%clk 1:23:13] } 11... Rc8 { [%eval 0.49] [%clk 1:04:37] } 12. Rc1 { [%eval 0.56] [%clk 1:23:36] } 12... Bd6 { [%eval 0.54] [%clk 1:01:47] } 13. Nb5 { [%eval 0.56] [%clk 1:13:24] } 13... Bb8 { [%eval 0.53] [%clk 1:01:54] } 14. Nbd4 { [%eval 0.61] [%clk 1:11:12] } 14... Be4 { [%eval 0.83] [%clk 0:58:40] } 15. Qd2 { [%eval 0.36] [%clk 0:55:38] } 15... Qe7 { [%eval 0.39] [%clk 0:44:21] } 16. h3 { [%eval 0.29] [%clk 0:50:36] } 16... Rfe8 { [%eval 0.32] [%clk 0:43:53] } 17. Rfd1 { [%eval 0.3] [%clk 0:48:54] } 17... h6 { [%eval 0.3] [%clk 0:41:08] } 18. Bb5 { [%eval 0.34] [%clk 0:40:20] } 18... Qd6 { [%eval 0.34] [%clk 0:38:23] } 19. Kf1 { [%eval 0.27] [%clk 0:38:26] } 19... Bg6 { [%eval 0.45] [%clk 0:30:37] } 20. Nxc6 { [%eval 0.39] [%clk 0:37:44] } 20... bxc6 { [%eval 0.39] [%clk 0:30:00] } 21. Ba6 { [%eval 0.34] [%clk 0:38:03] } 21... Rc7 { [%eval 0.36] [%clk 0:20:11] } 22. Qc3 { [%eval 0.3] [%clk 0:35:40] } 22... c5 { [%eval 0.64] [%clk 0:19:07] } 23. Bd3?! { [%eval -0.02] } { Inaccuracy. Bb5 was best. } { [%clk 0:35:48] } 23... Rec8?? { [%eval 2.22] } { Blunder. Bh5 was best. } { [%clk 0:18:28] } 24. Bxg6 { [%eval 2.23] [%clk 0:34:31] } 24... fxg6 { [%eval 2.17] [%clk 0:18:57] } 25. Qd3 { [%eval 2.4] [%clk 0:34:23] } 25... d4 { [%eval 2.8] [%clk 0:12:30] } 26. exd4 { [%eval 2.97] [%clk 0:33:15] } 26... cxd4 { [%eval 2.9] [%clk 0:11:33] } 27. Rxc7 { [%eval 2.78] [%clk 0:32:53] } 27... Bxc7 { [%eval 2.72] [%clk 0:11:07] } 28. Qc4+ { [%eval 2.11] [%clk 0:24:52] } 28... Kh7 { [%eval 2.17] [%clk 0:10:34] } 29. Rxd4 { [%eval 2.13] [%clk 0:24:59] } 29... Qf8 { [%eval 2.45] [%clk 0:10:21] } 30. Rh4 { [%eval 2.4] [%clk 0:13:04] } 30... Bg3?? { [%eval 6.13] } { Blunder. Be5 was best. } { [%clk 0:04:33] } 31. Ng5+ { [%eval 6.32] [%clk 0:12:15] } 31... Kh8 { [%eval 6.29] [%clk 0:05:02] } 32. Rxh6+ { [%eval 6.11] [%clk 0:12:35] } 32... gxh6 { [%eval 6.28] [%clk 0:05:31] } 33. Bxf6+ { [%eval 6.4] [%clk 0:12:48] } 33... Qxf6 { [%eval 6.39] [%clk 0:05:58] } 34. Qxc8+ { [%eval 6.34] [%clk 0:13:10] } 34... Kg7 { [%eval 6.07] [%clk 0:06:10] } 35. Qd7+ { [%eval 6.26] [%clk 0:12:44] } 35... Kg8 { [%eval 6.23] [%clk 0:06:38] } 36. Qc8+ { [%eval 6.23] [%clk 0:10:17] } 36... Kg7 { [%eval 6.26] [%clk 0:06:55] } 37. Qb7+ { [%eval 6.06] [%clk 0:10:43] } 37... Kg8 { [%eval 6.33] [%clk 0:07:18] } 38. Qa8+ { [%eval 6.28] [%clk 0:11:08] } 38... Kg7 { [%eval 6.33] [%clk 0:07:44] } 39. Qxa7+ { [%eval 6.26] [%clk 0:11:34] } 39... Kg8 { [%eval 6.19] [%clk 0:08:08] } 40. Qa8+ { [%eval 6.39] [%clk 0:11:58] } 40... Kg7 { [%eval 6.47] [%clk 0:08:32] } 41. Qb7+ { [%eval 6.41] [%clk 0:12:23] } 41... Kg8 { [%eval 6.53] [%clk 0:08:56] } 42. Qc8+ { [%eval 6.27] [%clk 0:12:52] } 42... Kg7 { [%eval 7.13] [%clk 0:09:18] } 43. Qd7+ { [%eval 7.07] [%clk 0:13:20] } 43... Kg8 { [%eval 7.01] [%clk 0:09:41] } 44. Qe8+ { [%eval 6.73] [%clk 0:13:47] } 44... Kg7 { [%eval 6.31] [%clk 0:10:06] } 45. Ne6+ { [%eval 6.68] [%clk 0:14:14] } 45... Kh7 { [%eval 6.63] [%clk 0:10:25] } 46. Nf8+ { [%eval 6.71] [%clk 0:14:39] } 46... Kg7 { [%eval 6.44] [%clk 0:10:51] } 47. Qxg6+ { [%eval 6.3] [%clk 0:15:05] } 1-0