Event: Black Sea Grand Prix | Small Earth
Site: chess24.com
Date: 2021-07-13
White: Demidov, Mikhail
WhiteTitle: GM
WhiteElo: 2530
Black: Bujakevich, Aleksandr
BlackTitle: FM
BlackElo: 1949
Result: 1-0
ECO: A07
Opening: King's Indian Attack: Double Fianchetto
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:25:14] } 1... d5 { [%eval 0.2] [%clk 1:30:55] } 2. g3 { [%eval 0.12] [%clk 1:25:29] } 2... g6 { [%eval 0.32] [%clk 1:31:05] } 3. c4?! { [%eval -0.59] } { Inaccuracy. Bg2 was best. } { [%clk 1:23:34] } 3... d4?! { [%eval 0.29] } { Inaccuracy. dxc4 was best. } { [%clk 1:28:44] } 4. b4 { [%eval 0.3] [%clk 1:23:12] } 4... Bg7 { [%eval 0.24] [%clk 1:28:00] } 5. Bb2 { [%eval 0.07] [%clk 1:23:07] } 5... e5 { [%eval 0.3] [%clk 1:27:26] } 6. d3 { [%eval 0.06] [%clk 1:23:32] } 6... Ne7 { [%eval 0.13] [%clk 1:26:46] } 7. Bg2 { [%eval 0.0] [%clk 1:23:48] } 7... O-O { [%eval 0.02] [%clk 1:26:41] } 8. O-O { [%eval 0.08] [%clk 1:24:14] } 8... Nd7 { [%eval 0.12] [%clk 1:21:01] } 9. Nbd2 { [%eval -0.06] [%clk 1:24:03] } 9... Nf5?! { [%eval 0.45] } { Inaccuracy. Rb8 was best. } { [%clk 1:14:35] } 10. c5 { [%eval 0.22] [%clk 1:21:59] } 10... a5 { [%eval 0.43] [%clk 1:09:56] } 11. a3 { [%eval 0.57] [%clk 1:20:12] } 11... Re8 { [%eval 0.6] [%clk 1:05:26] } 12. Nc4 { [%eval 0.49] [%clk 1:20:01] } 12... axb4 { [%eval 0.42] [%clk 0:56:41] } 13. axb4 { [%eval 0.34] [%clk 1:20:21] } 13... Rxa1 { [%eval 0.15] [%clk 0:56:51] } 14. Qxa1 { [%eval 0.49] [%clk 1:20:48] } 14... Re6 { [%eval 0.72] [%clk 0:56:52] } 15. Rc1 { [%eval 0.57] [%clk 1:18:36] } 15... b5?! { [%eval 1.21] } { Inaccuracy. Ra6 was best. } { [%clk 0:53:21] } 16. cxb6 { [%eval 1.5] [%clk 1:13:49] } 16... Nxb6 { [%eval 1.32] [%clk 0:52:42] } 17. Na5 { [%eval 1.24] [%clk 1:14:00] } 17... f6 { [%eval 1.49] [%clk 0:35:01] } 18. Nc6 { [%eval 1.47] [%clk 1:11:48] } 18... Qe8?! { [%eval 2.35] } { Inaccuracy. Qd7 was best. } { [%clk 0:28:52] } 19. Na7 { [%eval 2.31] [%clk 1:11:31] } 19... Bf8 { [%eval 2.85] [%clk 0:22:55] } 20. Nxc8 { [%eval 2.51] [%clk 1:07:28] } 20... Nxc8 { [%eval 2.69] [%clk 0:21:08] } 21. g4?! { [%eval 2.05] } { Inaccuracy. Rxc7 was best. } { [%clk 1:05:16] } 21... Nfe7? { [%eval 3.9] } { Mistake. Nfd6 was best. } { [%clk 0:17:14] } 22. Qa2?! { [%eval 2.6] } { Inaccuracy. g5 was best. } { [%clk 1:02:14] } 22... Qf7 { [%eval 3.3] [%clk 0:15:15] } 23. Rxc7 { [%eval 3.66] [%clk 1:02:18] } 23... Rb6 { [%eval 2.95] [%clk 0:15:24] } 24. Qa4 { [%eval 3.26] [%clk 0:58:45] } 24... Qe6 { [%eval 3.18] [%clk 0:15:09] } 25. h3?! { [%eval 2.36] } { Inaccuracy. Nd2 was best. } { [%clk 0:49:51] } 25... Qd6? { [%eval 4.09] } { Mistake. Rd6 was best. } { [%clk 0:12:21] } 26. Rc4 { [%eval 3.41] [%clk 0:49:34] } 26... Nc6?! { [%eval 4.93] } { Inaccuracy. Qe6 was best. } { [%clk 0:07:24] } 27. Nd2 { [%eval 4.9] [%clk 0:43:36] } 27... Rxb4 { [%eval 6.18] [%clk 0:05:26] } 28. Qa2?! { [%eval 4.3] } { Inaccuracy. Qc2 was best. } { [%clk 0:42:28] } 1-0