Event: Round 1: Mark Biernacki - Kostya Kavutskiy
Site: https://lichess.org/study/Fj0nlCpN/2OFok3RL
Date: 2023-01-14
White: Mark Biernacki
Black: Kostya Kavutskiy
BlackTitle: IM
Result: 0-1
ECO: E66
Opening: King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line
Variant: Standard

1. c4 { [%eval 0.23] [%clk 1:30:57] } 1... g6 { [%eval 0.44] [%clk 1:22:26] } 2. Nc3 { [%eval 0.24] [%clk 1:31:21] } 2... Bg7 { [%eval 0.33] [%clk 1:22:32] } 3. Nf3 { [%eval 0.2] [%clk 1:31:45] } 3... Nf6 { [%eval 0.68] [%clk 1:22:22] } 4. g3 { [%eval 0.19] [%clk 1:32:10] } 4... O-O { [%eval 0.27] [%clk 1:22:25] } 5. Bg2 { [%eval 0.0] [%clk 1:32:37] } 5... d6?! { [%eval 0.64] } { Inaccuracy. c5 was best. } { [%clk 1:22:06] } 6. O-O { [%eval 0.5] [%clk 1:33:01] } 6... c5 { [%eval 0.5] [%clk 1:21:26] } 7. d4 { [%eval 0.28] [%clk 1:33:19] } 7... Nc6 { [%eval 0.4] [%clk 1:21:46] } 8. d5 { [%eval 0.42] [%clk 1:29:05] } 8... Na5 { [%eval 0.38] [%clk 1:22:07] } 9. Nd2 { [%eval 0.4] [%clk 1:23:26] } 9... e6 { [%eval 0.31] [%clk 1:22:16] } 10. e4 { [%eval -0.14] [%clk 1:23:14] } 10... exd5 { [%eval -0.24] [%clk 1:20:50] } 11. cxd5 { [%eval -0.14] [%clk 1:12:31] } 11... Bd7 { [%eval -0.16] [%clk 1:17:11] } 12. f4?! { [%eval -0.95] } { Inaccuracy. Nf3 was best. } { [%clk 1:04:51] } 12... Re8 { [%eval -0.86] [%clk 1:12:59] } 13. Re1 { [%eval -0.88] [%clk 0:56:08] } 13... b5 { [%eval -1.06] [%clk 1:09:57] } 14. h3 { [%eval -1.59] [%clk 0:40:24] } 14... b4 { [%eval -1.67] [%clk 1:08:45] } 15. Na4 { [%eval -2.24] [%clk 0:35:39] } 15... Nxd5 { [%eval -2.18] [%clk 0:56:31] } 16. e5 { [%eval -2.8] [%clk 0:31:55] } 16... Bc6 { [%eval -2.77] [%clk 0:53:11] } 17. Nb3?! { [%eval -3.77] } { Inaccuracy. Nf3 was best. } { [%clk 0:28:44] } 17... Nxb3 { [%eval -3.82] [%clk 0:47:57] } 18. Qxb3 { [%eval -4.09] [%clk 0:26:54] } 18... dxe5 { [%eval -4.16] [%clk 0:44:44] } 19. Rd1 { [%eval -4.8] [%clk 0:25:32] } 19... e4 { [%eval -4.62] [%clk 0:44:29] } 20. Nxc5 { [%eval -4.87] [%clk 0:22:25] } 20... Qb6 { [%eval -4.98] [%clk 0:43:36] } 21. Be3 { [%eval -5.29] [%clk 0:14:14] } 21... Nxe3 { [%eval -5.16] [%clk 0:43:40] } 22. Qxe3 { [%eval -5.17] [%clk 0:14:38] } 22... Rad8 { [%eval -5.08] [%clk 0:43:52] } 23. Kf2 { [%eval -5.65] [%clk 0:13:23] } 23... Bxb2 { [%eval -5.77] [%clk 0:42:58] } 24. Rab1 { [%eval -5.63] [%clk 0:13:36] } 24... Bg7 { [%eval -5.56] [%clk 0:40:52] } 25. a3 { [%eval -6.43] [%clk 0:13:24] } 25... Rxd1 { [%eval -6.27] [%clk 0:41:00] } 26. Rxd1 { [%eval -6.42] [%clk 0:13:47] } 26... bxa3 { [%eval -6.84] [%clk 0:41:04] } 0-1