Event: Round 4: Kalavannan, Koby - Bradbury, Neil H
Site: https://lichess.org/broadcast/2025-british-chess-championships--championship/round-4/Tzpigbhl/WxfRLEnv
White: Kalavannan, Koby
WhiteTitle: FM
WhiteElo: 2323
Black: Bradbury, Neil H
BlackTitle: IM
BlackElo: 2137
Result: 1/2-1/2
ECO: A13
Opening: English Opening: Neo-Catalan Declined
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:29:35] } 1... Nf6 { [%eval 0.18] [%clk 1:28:47] } 2. c4 { [%eval 0.12] [%clk 1:29:49] } 2... e6 { [%eval 0.27] [%clk 1:27:53] } 3. g3 { [%eval 0.1] [%clk 1:29:10] } 3... d5 { [%eval 0.17] [%clk 1:27:47] } 4. Bg2 { [%eval 0.13] [%clk 1:29:26] } 4... Be7 { [%eval 0.21] [%clk 1:26:57] } 5. b3 { [%eval -0.14] [%clk 1:28:09] } 5... O-O { [%eval 0.21] [%clk 1:27:12] } 6. Bb2 { [%eval 0.13] [%clk 1:28:18] } 6... c5 { [%eval 0.2] [%clk 1:27:21] } 7. cxd5 { [%eval 0.18] [%clk 1:28:33] } 7... exd5 { [%eval 0.31] [%clk 1:22:38] } 8. d4 { [%eval 0.19] [%clk 1:28:25] } 8... cxd4 { [%eval 0.32] [%clk 1:21:30] } 9. O-O { [%eval 0.25] [%clk 1:28:47] } 9... Nc6 { [%eval 0.26] [%clk 1:21:56] } 10. Nxd4 { [%eval 0.3] [%clk 1:28:31] } 10... Bg4 { [%eval 0.28] [%clk 1:21:25] } 11. Nc3 { [%eval 0.0] [%clk 1:16:28] } 11... Re8 { [%eval 0.26] [%clk 1:16:21] } 12. h3 { [%eval 0.24] [%clk 1:03:22] } 12... Bh5 { [%eval 0.29] [%clk 0:57:36] } 13. Nf5 { [%eval 0.09] [%clk 1:00:54] } 13... Bf8 { [%eval 0.1] [%clk 0:57:33] } 14. g4 { [%eval 0.1] [%clk 0:50:20] } 14... Bg6 { [%eval 0.13] [%clk 0:55:50] } 15. Ng3 { [%eval 0.0] [%clk 0:50:28] } 15... d4 { [%eval 0.0] [%clk 0:38:58] } 16. Nb5 { [%eval 0.04] [%clk 0:50:50] } 16... d3 { [%eval 0.0] [%clk 0:39:04] } 17. exd3 { [%eval 0.03] [%clk 0:50:14] } 17... Qa5 { [%eval 0.1] [%clk 0:31:24] } 18. a4?! { [%eval -0.53] } { Inaccuracy. Bxf6 was best. } { [%clk 0:32:17] } 18... a6?! { [%eval 0.09] } { Inaccuracy. Rad8 was best. } { [%clk 0:24:39] } 19. Na3 { [%eval -0.27] [%clk 0:32:14] } 19... Rad8 { [%eval -0.28] [%clk 0:23:50] } 20. Nc4 { [%eval -0.76] [%clk 0:31:29] } 20... Qc7?! { [%eval -0.18] } { Inaccuracy. Qc5 was best. } { [%clk 0:23:57] } 21. d4 { [%eval -0.06] [%clk 0:25:17] } 21... b5 { [%eval -0.04] [%clk 0:18:04] } 22. axb5 { [%eval -0.06] [%clk 0:25:27] } 22... axb5 { [%eval -0.06] [%clk 0:18:33] } 23. Na3 { [%eval -0.09] [%clk 0:22:30] } 23... Qb6 { [%eval 0.02] [%clk 0:16:37] } 24. Nc2 { [%eval 0.0] [%clk 0:20:00] } 24... Nd5 { [%eval 0.07] [%clk 0:11:45] } 25. Qd2 { [%eval -0.2] [%clk 0:18:11] } 25... Ndb4 { [%eval 0.0] [%clk 0:05:05] } 26. Nxb4 { [%eval 0.0] [%clk 0:16:22] } 26... Bxb4 { [%eval -0.01] [%clk 0:05:21] } 27. Bc3 { [%eval -0.12] [%clk 0:16:34] } 27... Bxc3 { [%eval -0.11] [%clk 0:03:58] } 28. Qxc3 { [%eval -0.11] [%clk 0:17:03] } 28... Nxd4 { [%eval -0.18] [%clk 0:04:13] } 29. Rad1 { [%eval -0.45] [%clk 0:12:53] } 29... h6 { [%eval -0.33] [%clk 0:03:54] } 30. Rd2?? { [%eval -3.03] } { Blunder. b4 was best. } { [%clk 0:12:33] } 30... b4 { [%eval -2.77] [%clk 0:04:00] } 31. Qb2 { [%eval -2.37] [%clk 0:12:47] } 31... Ne6?? { [%eval -0.35] } { Blunder. Nxb3 was best. } { [%clk 0:04:13] } 32. Rfd1 { [%eval -0.34] [%clk 0:09:56] } 32... Nf4 { [%eval -0.04] [%clk 0:03:38] } 33. Bf1 { [%eval -0.01] [%clk 0:09:30] } 33... Ne6 { [%eval -0.04] [%clk 0:02:21] } 34. Rd5 { [%eval -0.1] [%clk 0:08:04] } 34... Rxd5 { [%eval -0.08] [%clk 0:02:14] } 35. Rxd5 { [%eval -5.89] [%clk 0:08:33] } 35... Rc8 { [%eval -0.05] [%clk 0:02:00] } 36. Rb5 { [%eval -0.26] [%clk 0:03:52] } 36... Qd6 { [%eval -0.09] [%clk 0:01:54] } 37. Bc4 { [%eval -2.61] [%clk 0:03:56] } 37... Nf4 { [%eval -0.2] [%clk 0:01:02] } 38. Qe5 { [%eval -4.65] [%clk 0:02:29] } 1/2-1/2