Event: Round 9: Alexander Kovchan - Migchiel De Jong
Date: 2023-12-30
White: Alexander Kovchan
WhiteTitle: GM
WhiteElo: 2491
Black: Migchiel De Jong
BlackTitle: IM
BlackElo: 2301
Result: 1-0
ECO: A40
Opening: Kangaroo Defense
Variant: Standard

1. d4 { [%eval 0.13] [%clk 1:30:53] } 1... e6 { [%eval 0.33] [%clk 1:30:04] } 2. c4 { [%eval 0.23] [%clk 1:30:40] } 2... Bb4+ { [%eval 0.54] [%clk 1:30:05] } 3. Bd2 { [%eval 0.41] [%clk 1:30:32] } 3... a5 { [%eval 0.44] [%clk 1:30:08] } 4. a3 { [%eval 0.49] [%clk 1:29:31] } 4... Bxd2+ { [%eval 0.59] [%clk 1:28:59] } 5. Qxd2 { [%eval 0.47] [%clk 1:29:49] } 5... Nf6 { [%eval 0.55] [%clk 1:28:10] } 6. Nc3 { [%eval 0.39] [%clk 1:29:56] } 6... d6 { [%eval 0.77] [%clk 1:24:49] } 7. Nf3 { [%eval 0.24] [%clk 1:28:28] } 7... Nbd7?! { [%eval 1.29] } { Inaccuracy. Qe7 was best. } { [%clk 1:24:29] } 8. O-O-O?! { [%eval 0.36] } { Inaccuracy. e4 was best. } { [%clk 1:22:39] } 8... Qe7?! { [%eval 0.93] } { Inaccuracy. d5 was best. } { [%clk 1:07:56] } 9. e4 { [%eval 0.85] [%clk 1:20:07] } 9... e5 { [%eval 1.17] [%clk 1:07:42] } 10. Bd3 { [%eval 0.71] [%clk 1:19:55] } 10... O-O { [%eval 0.73] [%clk 1:07:11] } 11. Bc2 { [%eval 0.36] [%clk 1:15:16] } 11... c6 { [%eval 0.48] [%clk 1:05:01] } 12. g4?! { [%eval -0.36] } { Inaccuracy. h3 was best. } { [%clk 1:04:33] } 12... Re8?! { [%eval 0.68] } { Inaccuracy. Nb6 was best. } { [%clk 0:59:13] } 13. h3 { [%eval 0.7] [%clk 0:58:56] } 13... Nb6 { [%eval 0.76] [%clk 0:50:34] } 14. c5?! { [%eval -0.26] } { Inaccuracy. Qd3 was best. } { [%clk 0:49:12] } 14... dxc5? { [%eval 0.85] } { Mistake. exd4 was best. } { [%clk 0:38:37] } 15. dxe5 { [%eval 0.64] [%clk 0:49:13] } 15... Nfd7 { [%eval 0.53] [%clk 0:37:31] } 16. e6 { [%eval 0.51] [%clk 0:49:08] } 16... Qxe6 { [%eval 0.48] [%clk 0:32:35] } 17. e5 { [%eval 0.43] [%clk 0:48:03] } 17... Nf8 { [%eval 0.49] [%clk 0:27:41] } 18. Rhe1 { [%eval 0.46] [%clk 0:42:43] } 18... Qe7 { [%eval 0.29] [%clk 0:25:46] } 19. Ne4 { [%eval 0.05] [%clk 0:41:53] } 19... Be6 { [%eval 0.04] [%clk 0:24:05] } 20. Qc3 { [%eval -0.1] [%clk 0:35:04] } 20... c4?! { [%eval 0.93] } { Inaccuracy. Nd5 was best. } { [%clk 0:17:30] } 21. Nd6?! { [%eval -0.1] } { Inaccuracy. Nd4 was best. } { [%clk 0:22:58] } 21... Nd5 { [%eval -0.14] [%clk 0:14:49] } 22. Qd4 { [%eval -0.55] [%clk 0:22:36] } 22... b5 { [%eval -0.53] [%clk 0:14:36] } 23. Nd2 { [%eval -1.06] [%clk 0:21:47] } 23... Red8 { [%eval -0.8] [%clk 0:12:11] } 24. N2e4 { [%eval -1.17] [%clk 0:21:08] } 24... b4 { [%eval -1.18] [%clk 0:11:22] } 25. a4?! { [%eval -1.85] } { Inaccuracy. Ba4 was best. } { [%clk 0:21:05] } 25... c3?! { [%eval -1.0] } { Inaccuracy. b3 was best. } { [%clk 0:10:39] } 26. bxc3 { [%eval -1.03] [%clk 0:19:59] } 26... Nxc3?! { [%eval 0.0] } { Inaccuracy. bxc3 was best. } { [%clk 0:09:41] } 27. Nxc3 { [%eval -0.18] [%clk 0:20:13] } 27... bxc3 { [%eval 0.0] [%clk 0:09:47] } 28. f4 { [%eval 0.0] [%clk 0:18:04] } 28... Rab8 { [%eval 0.0] [%clk 0:09:01] } 29. Qxc3 { [%eval 0.0] [%clk 0:18:25] } 29... Rb4?! { [%eval 0.89] } { Inaccuracy. Bd5 was best. } { [%clk 0:08:34] } 30. f5 { [%eval 0.84] [%clk 0:18:45] } 30... Bd5 { [%eval 0.76] [%clk 0:08:16] } 31. f6 { [%eval 0.78] [%clk 0:18:24] } 31... Qa7 { [%eval 0.82] [%clk 0:08:23] } 32. Nf5?! { [%eval 0.0] } { Inaccuracy. fxg7 was best. } { [%clk 0:16:37] } 32... Ne6 { [%eval 0.07] [%clk 0:06:24] } 33. Nxg7? { [%eval -1.27] } { Mistake. fxg7 was best. } { [%clk 0:11:43] } 33... Nxg7?? { [%eval 6.15] } { Blunder. Nd4 was best. } { [%clk 0:05:14] } 34. Qd3 { [%eval 6.19] [%clk 0:11:53] } 1-0