Event: Black Sea Grand Prix | Sea Harbour
Site: chess24.com
Date: 2021-06-05
White: Kuznetsov, Ivan V.
WhiteElo: 1744
Black: Osipov, Aleksandr
BlackElo: 2062
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:47] } 2. Nf3 { [%eval 0.0] [%clk 1:31:14] } 2... d6 { [%eval 0.0] [%clk 1:30:29] } 3. d4 { [%eval 0.23] [%clk 1:30:57] } 3... cxd4 { [%eval 0.13] [%clk 1:31:00] } 4. Nxd4 { [%eval 0.0] [%clk 1:31:22] } 4... Nf6 { [%eval 0.14] [%clk 1:31:27] } 5. Nc3 { [%eval 0.0] [%clk 1:31:27] } 5... a6 { [%eval 0.21] [%clk 1:31:51] } 6. f3 { [%eval 0.28] [%clk 1:31:47] } 6... e5 { [%eval 0.16] [%clk 1:30:20] } 7. Nb3 { [%eval 0.09] [%clk 1:31:54] } 7... Be6 { [%eval 0.14] [%clk 1:30:44] } 8. Be3 { [%eval 0.49] [%clk 1:32:08] } 8... Nbd7 { [%eval 0.5] [%clk 1:29:51] } 9. Qd2 { [%eval 0.25] [%clk 1:31:05] } 9... Rc8 { [%eval 0.62] [%clk 1:23:38] } 10. g4 { [%eval 1.06] [%clk 1:29:16] } 10... b5 { [%eval 1.09] [%clk 1:23:33] } 11. h4? { [%eval -0.1] } { Mistake. g5 was best. } { [%clk 1:23:58] } 11... Nb6 { [%eval -0.07] [%clk 1:18:31] } 12. Bxb6 { [%eval 0.0] [%clk 1:22:03] } 12... Qxb6 { [%eval 0.21] [%clk 1:18:34] } 13. Nd5? { [%eval -0.83] } { Mistake. a4 was best. } { [%clk 1:21:33] } 13... Bxd5?! { [%eval -0.02] } { Inaccuracy. Nxd5 was best. } { [%clk 1:13:44] } 14. exd5 { [%eval -0.42] [%clk 1:21:56] } 14... Be7 { [%eval -0.15] [%clk 1:09:02] } 15. a4?! { [%eval -1.04] } { Inaccuracy. O-O-O was best. } { [%clk 1:13:24] } 15... e4?? { [%eval 1.16] } { Blunder. O-O was best. } { [%clk 0:34:44] } 16. axb5 { [%eval 1.1] [%clk 0:59:33] } 16... axb5 { [%eval 1.29] [%clk 0:29:48] } 17. Qd4 { [%eval 1.44] [%clk 0:50:18] } 17... Qxd4?! { [%eval 2.14] } { Inaccuracy. Qb8 was best. } { [%clk 0:26:22] } 18. Bxb5+ { [%eval 1.84] [%clk 0:49:51] } 18... Kf8 { [%eval 2.44] [%clk 0:26:43] } 19. Nxd4 { [%eval 2.09] [%clk 0:50:09] } 19... exf3 { [%eval 1.97] [%clk 0:26:44] } 20. Bc6?! { [%eval 0.99] } { Inaccuracy. g5 was best. } { [%clk 0:45:59] } 20... g6 { [%eval 1.14] [%clk 0:22:43] } 21. g5 { [%eval 0.73] [%clk 0:45:14] } 21... Ne4 { [%eval 0.98] [%clk 0:20:52] } 22. Nxf3?! { [%eval 0.4] } { Inaccuracy. Ra3 was best. } { [%clk 0:44:08] } 22... h6 { [%eval 0.32] [%clk 0:19:58] } 23. gxh6 { [%eval 0.31] [%clk 0:30:03] } 23... Rxh6 { [%eval 0.67] [%clk 0:20:04] } 24. Ra4 { [%eval 0.5] [%clk 0:27:50] } 24... f5 { [%eval 0.44] [%clk 0:13:30] } 25. Rg1?! { [%eval -0.37] } { Inaccuracy. b4 was best. } { [%clk 0:06:17] } 25... Bxh4+ { [%eval 0.0] [%clk 0:07:34] } 26. Nxh4 { [%eval 0.0] [%clk 0:06:42] } 26... Rxh4 { [%eval 0.0] [%clk 0:08:05] } 27. Rxg6 { [%eval 0.0] [%clk 0:06:49] } 27... Kf7 { [%eval 0.28] [%clk 0:04:16] } 28. Re6 { [%eval 0.0] [%clk 0:05:37] } 28... Rc7 { [%eval 0.0] [%clk 0:00:30] } 29. Raxe4 { [%eval -0.2] [%clk 0:01:11] } 29... Rxe4+ { [%eval -0.23] [%clk 0:01:00] } 30. Rxe4 { [%eval -5.8] [%clk 0:01:41] } 30... fxe4 { [%eval -0.25] [%clk 0:00:30] } 31. b4 { [%eval -5.96] [%clk 0:01:49] } 31... Rc8 { [%clk 0:00:55] } 32. c4 { [%clk 0:02:19] } 32... Kf6 { [%clk 0:01:25] } 33. Ke2 { [%clk 0:02:49] } 33... Ke5 { [%clk 0:01:55] } 34. Ke3 { [%clk 0:03:19] } 34... Rb8 { [%clk 0:02:25] } 35. b5 { [%clk 0:03:49] } 35... Rh8 { [%clk 0:02:55] } 36. Bd7 { [%clk 0:04:19] } 36... Rg8 { [%clk 0:03:25] } 37. Bc6 { [%clk 0:04:49] } 37... Rg3+ { [%clk 0:03:55] } 38. Kd2 { [%clk 0:05:19] } 38... Kd4 { [%clk 0:04:25] } 39. b6 { [%clk 0:05:49] } 39... Rg2+ { [%clk 0:04:54] } 40. Ke1 { [%clk 0:06:19] } 40... Kxc4 { [%clk 0:03:27] } 41. b7 { [%clk 0:01:18] } 41... Rb2 { [%clk 0:03:44] } 42. Kf1 { [%clk 0:01:03] } 42... e3 { [%clk 0:04:07] } 43. Bd7 { [%clk 0:00:38] } 43... Kd3 { [%clk 0:04:07] } 0-1