Event: Round 8: Kalavannan, Koby - Waddington, Mike P
Date: 2025-07-08
White: Kalavannan, Koby
WhiteTitle: FM
WhiteElo: 2329
Black: Waddington, Mike P
BlackTitle: FM
BlackElo: 1982
Result: 1-0
ECO: A05
Opening: King's Indian Attack: Symmetrical Defense
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:07:44] } 1... Nf6 { [%eval 0.23] [%clk 1:30:31] } 2. g3 { [%eval 0.11] [%clk 1:07:46] } 2... g6 { [%eval 0.21] [%clk 1:30:49] } 3. b3 { [%eval 0.0] [%clk 1:08:05] } 3... Bg7 { [%eval 0.13] [%clk 1:31:07] } 4. Bb2 { [%eval 0.09] [%clk 1:08:26] } 4... d6 { [%eval 0.09] [%clk 1:30:46] } 5. d4 { [%eval 0.1] [%clk 1:08:42] } 5... O-O { [%eval 0.21] [%clk 1:30:54] } 6. Bg2 { [%eval 0.11] [%clk 1:09:00] } 6... c6 { [%eval 0.32] [%clk 1:31:03] } 7. O-O { [%eval 0.18] [%clk 1:09:01] } 7... Qa5 { [%eval 0.37] [%clk 1:24:43] } 8. c4 { [%eval 0.49] [%clk 1:08:35] } 8... Qh5 { [%eval 0.59] [%clk 1:24:23] } 9. Nc3 { [%eval 0.34] [%clk 0:58:11] } 9... Bh3 { [%eval 0.38] [%clk 1:23:41] } 10. e4 { [%eval 0.53] [%clk 0:57:45] } 10... Ng4 { [%eval 0.85] [%clk 1:22:42] } 11. Nh4 { [%eval 0.88] [%clk 0:55:12] } 11... Bxg2 { [%eval 0.86] [%clk 1:21:14] } 12. Kxg2 { [%eval 0.8] [%clk 0:55:36] } 12... g5?! { [%eval 1.53] } { Inaccuracy. Nd7 was best. } { [%clk 1:18:56] } 13. h3 { [%eval 1.45] [%clk 0:43:44] } 13... gxh4?! { [%eval 2.64] } { Inaccuracy. Ne3+ was best. } { [%clk 1:16:46] } 14. hxg4 { [%eval 2.6] [%clk 0:44:07] } 14... Qh6?! { [%eval 3.5] } { Inaccuracy. h3+ was best. } { [%clk 1:08:25] } 15. Rh1 { [%eval 3.39] [%clk 0:43:02] } 15... Qf6 { [%eval 3.74] [%clk 1:07:02] } 16. Rxh4 { [%eval 3.76] [%clk 0:33:22] } 16... e5 { [%eval 4.12] [%clk 1:04:31] } 17. dxe5 { [%eval 3.98] [%clk 0:29:23] } 17... dxe5 { [%eval 3.83] [%clk 1:04:36] } 18. Qh1 { [%eval 3.18] [%clk 0:22:01] } 18... Rd8 { [%eval 3.75] [%clk 1:02:42] } 19. Rd1?! { [%eval 2.61] } { Inaccuracy. g5 was best. } { [%clk 0:22:12] } 19... Nd7 { [%eval 2.99] [%clk 1:02:14] } 20. Ba3 { [%eval 2.77] [%clk 0:20:17] } 20... Nf8 { [%eval 2.92] [%clk 1:01:46] } 21. Bxf8 { [%eval 2.85] [%clk 0:13:58] } 21... Bxf8?! { [%eval 3.66] } { Inaccuracy. Kxf8 was best. } { [%clk 1:00:53] } 22. Rxh7 { [%eval 3.35] [%clk 0:12:53] } 22... Bb4?? { [%eval 7.19] } { Blunder. Bg7 was best. } { [%clk 0:59:18] } 23. g5 { [%eval 7.27] [%clk 0:13:14] } 23... Qxg5 { [%eval 7.57] [%clk 0:56:46] } 24. Rxd8+ { [%eval 7.49] [%clk 0:10:52] } 24... Rxd8 { [%eval 7.58] [%clk 0:57:04] } 25. Rh8+ { [%eval 7.47] [%clk 0:11:18] } 25... Kg7 { [%eval 7.44] [%clk 0:57:22] } 26. Qh7+ { [%eval 7.63] [%clk 0:11:43] } 26... Kf6 { [%eval 7.5] [%clk 0:57:34] } 27. Rxd8 { [%eval 7.07] [%clk 0:12:09] } 27... Bxc3? { [%eval #9] } { Checkmate is now unavoidable. Qg6 was best. } { [%clk 0:57:51] } 28. Qh8+? { [%eval 8.65] } { Lost forced checkmate sequence. Rd7 was best. } { [%clk 0:12:35] } 28... Ke6 { [%eval 8.2] [%clk 0:57:27] } 29. Qf8 { [%eval 6.22] [%clk 0:12:45] } 29... Bb4 { [%eval 6.41] [%clk 0:56:00] } 30. Qe8+ { [%eval 6.48] [%clk 0:12:10] } 30... Kf6 { [%eval 6.25] [%clk 0:55:01] } 31. Qh8+ { [%eval 6.38] [%clk 0:12:14] } 31... Ke6 { [%eval 6.78] [%clk 0:53:47] } 32. Qh3+ { [%eval 6.63] [%clk 0:12:37] } 32... Kf6 { [%eval 6.43] [%clk 0:52:03] } 33. Qh4 { [%eval 5.94] [%clk 0:12:30] } 1-0