Event: Round 4: Kalavannan, Koby - Arkell, Keith C
Date: 2025-04-07
White: Kalavannan, Koby
WhiteTitle: FM
WhiteElo: 2252
Black: Arkell, Keith C
BlackTitle: GM
BlackElo: 2333
Result: 1-0
ECO: A38
Opening: English Opening: Symmetrical Variation, Full Symmetry Line
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:30:01] } 1... c5 { [%eval 0.19] [%clk 1:30:39] } 2. Nf3 { [%eval 0.26] [%clk 1:30:12] } 2... Nf6 { [%eval 0.26] [%clk 1:30:53] } 3. Nc3 { [%eval 0.17] [%clk 1:30:29] } 3... Nc6 { [%eval 0.18] [%clk 1:30:35] } 4. g3 { [%eval 0.11] [%clk 1:30:38] } 4... g6 { [%eval 0.32] [%clk 1:30:10] } 5. Bg2 { [%eval 0.32] [%clk 1:30:52] } 5... Bg7 { [%eval 0.29] [%clk 1:30:35] } 6. d4 { [%eval 0.31] [%clk 1:30:56] } 6... cxd4 { [%eval 0.29] [%clk 1:30:58] } 7. Nxd4 { [%eval 0.27] [%clk 1:31:20] } 7... Nxd4 { [%eval 0.46] [%clk 1:31:23] } 8. Qxd4 { [%eval 0.46] [%clk 1:31:43] } 8... O-O { [%eval 0.37] [%clk 1:31:44] } 9. O-O { [%eval 0.47] [%clk 1:32:03] } 9... d6 { [%eval 0.43] [%clk 1:32:11] } 10. Qd3 { [%eval 0.4] [%clk 1:32:08] } 10... Qa5 { [%eval 0.63] [%clk 1:32:01] } 11. Bd2 { [%eval 0.57] [%clk 1:29:31] } 11... Qh5 { [%eval 0.52] [%clk 1:32:04] } 12. h4 { [%eval 0.56] [%clk 1:29:35] } 12... Bf5 { [%eval 0.54] [%clk 1:25:50] } 13. e4 { [%eval 0.48] [%clk 1:28:41] } 13... Be6 { [%eval 0.65] [%clk 1:26:15] } 14. b3 { [%eval 0.66] [%clk 1:16:31] } 14... Qc5 { [%eval 0.77] [%clk 1:23:12] } 15. Be3 { [%eval 0.66] [%clk 1:14:42] } 15... Qc8 { [%eval 0.77] [%clk 1:23:06] } 16. Rfd1 { [%eval 0.57] [%clk 1:11:26] } 16... Bh3 { [%eval 0.93] [%clk 1:20:49] } 17. Bh1 { [%eval 0.65] [%clk 1:11:35] } 17... Ng4 { [%eval 0.89] [%clk 1:05:55] } 18. Bd4 { [%eval 0.84] [%clk 1:09:13] } 18... Bxd4 { [%eval 0.73] [%clk 1:02:12] } 19. Qxd4 { [%eval 0.69] [%clk 1:09:41] } 19... Ne5 { [%eval 1.06] [%clk 1:01:25] } 20. Nd5 { [%eval 1.1] [%clk 1:08:58] } 20... Re8 { [%eval 1.03] [%clk 1:01:23] } 21. c5 { [%eval 1.07] [%clk 0:58:10] } 21... Nc6 { [%eval 0.88] [%clk 0:52:01] } 22. Qe3 { [%eval 1.11] [%clk 0:54:51] } 22... dxc5 { [%eval 1.17] [%clk 0:52:20] } 23. Qxc5 { [%eval 1.18] [%clk 0:52:57] } 23... Bg4 { [%eval 0.92] [%clk 0:51:27] } 24. Rd2 { [%eval 1.16] [%clk 0:50:04] } 24... Be6 { [%eval 1.54] [%clk 0:39:33] } 25. Re1 { [%eval 1.37] [%clk 0:48:20] } 25... f6?! { [%eval 2.51] } { Inaccuracy. Qb8 was best. } { [%clk 0:34:50] } 26. e5 { [%eval 2.43] [%clk 0:34:10] } 26... Kg7?! { [%eval 3.39] } { Inaccuracy. Bxd5 was best. } { [%clk 0:20:49] } 27. Nf4 { [%eval 3.13] [%clk 0:29:11] } 27... Bg8 { [%eval 3.42] [%clk 0:13:47] } 28. e6 { [%eval 3.4] [%clk 0:22:52] } 28... Nd8 { [%eval 3.59] [%clk 0:08:52] } 29. Qb5 { [%eval 3.52] [%clk 0:22:11] } 29... Kf8 { [%eval 3.6] [%clk 0:06:24] } 30. Rd7 { [%eval 3.36] [%clk 0:20:42] } 30... Qc3?! { [%eval 4.76] } { Inaccuracy. Qc2 was best. } { [%clk 0:06:07] } 31. Qe2 { [%eval 4.95] [%clk 0:15:44] } 31... Rc8 { [%eval 5.29] [%clk 0:04:31] } 32. Nd5 { [%eval 5.34] [%clk 0:15:32] } 32... Qc5 { [%eval 5.34] [%clk 0:01:47] } 33. b4 { [%eval 5.16] [%clk 0:15:21] } 33... Qc2 { [%eval 5.53] [%clk 0:01:47] } 34. Qe3 { [%eval 5.58] [%clk 0:15:38] } 34... Kg7?! { [%eval 8.24] } { Inaccuracy. Nxe6 was best. } { [%clk 0:01:46] } 35. Nxf6 { [%eval 7.98] [%clk 0:15:30] } 35... Nxe6 { [%eval 8.13] [%clk 0:00:42] } 36. Nxg8 { [%eval 7.89] [%clk 0:14:09] } 36... Nf8? { [%eval #4] } { Checkmate is now unavoidable. Kh8 was best. } { [%clk 0:00:58] } 37. Qe5+ { [%eval #3] [%clk 0:14:16] } 37... Kxg8 { [%eval #3] [%clk 0:01:16] } 38. Bd5+ { [%eval #2] [%clk 0:14:42] } 38... e6 { [%clk 0:01:43] } 39. Qg7# { [%clk 0:15:08] } 1-0