Event: Round 6: Osetrov, Prokhor - Kong, Brian
Date: 2025-06-28
White: Osetrov, Prokhor
WhiteElo: 1723
Black: Kong, Brian
BlackElo: 1675
Result: 1/2-1/2
ECO: E12
Opening: Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:29:54] } 1... Nf6 { [%eval 0.19] [%clk 1:30:41] } 2. c4 { [%eval 0.18] [%clk 1:30:17] } 2... e6 { [%eval 0.14] [%clk 1:31:08] } 3. Nf3 { [%eval 0.12] [%clk 1:30:42] } 3... b6 { [%eval 0.23] [%clk 1:31:34] } 4. a3 { [%eval 0.18] [%clk 1:31:07] } 4... Bb7 { [%eval 0.14] [%clk 1:32:00] } 5. Nc3 { [%eval 0.14] [%clk 1:31:30] } 5... g6 { [%eval 0.5] [%clk 1:32:14] } 6. d5 { [%eval 0.24] [%clk 1:29:35] } 6... exd5 { [%eval 0.45] [%clk 1:31:17] } 7. cxd5 { [%eval 0.36] [%clk 1:29:28] } 7... d6 { [%eval 0.68] [%clk 1:31:26] } 8. e4 { [%eval 0.85] [%clk 1:29:29] } 8... Nbd7 { [%eval 1.27] [%clk 1:31:09] } 9. Bd3 { [%eval 0.74] [%clk 1:29:12] } 9... Bg7 { [%eval 0.73] [%clk 1:31:07] } 10. O-O { [%eval 0.76] [%clk 1:29:15] } 10... O-O { [%eval 0.77] [%clk 1:31:29] } 11. Bg5 { [%eval 0.71] [%clk 1:26:34] } 11... h6 { [%eval 0.78] [%clk 1:29:58] } 12. Be3?! { [%eval 0.08] } { Inaccuracy. Bh4 was best. } { [%clk 1:23:45] } 12... Re8 { [%eval 0.56] [%clk 1:26:55] } 13. Bc2?! { [%eval -0.14] } { Inaccuracy. Nd4 was best. } { [%clk 1:13:16] } 13... Nc5 { [%eval -0.16] [%clk 1:23:10] } 14. Nd2 { [%eval 0.0] [%clk 1:11:32] } 14... c6 { [%eval 0.04] [%clk 1:18:52] } 15. Bxc5?! { [%eval -0.96] } { Inaccuracy. b4 was best. } { [%clk 1:01:06] } 15... dxc5 { [%eval -0.9] [%clk 1:18:54] } 16. Ba4 { [%eval -0.98] [%clk 1:01:12] } 16... Qd7?! { [%eval -0.31] } { Inaccuracy. cxd5 was best. } { [%clk 1:16:03] } 17. Nf3?! { [%eval -1.27] } { Inaccuracy. Bxc6 was best. } { [%clk 0:56:50] } 17... Rad8 { [%eval -1.36] [%clk 1:13:31] } 18. Qe2?! { [%eval -2.12] } { Inaccuracy. dxc6 was best. } { [%clk 0:45:35] } 18... b5? { [%eval -0.54] } { Mistake. Nxd5 was best. } { [%clk 1:04:24] } 19. dxc6 { [%eval -0.52] [%clk 0:43:12] } 19... Bxc6 { [%eval -0.48] [%clk 1:04:42] } 20. Rad1 { [%eval -0.51] [%clk 0:43:02] } 20... Qb7 { [%eval -0.53] [%clk 1:01:47] } 21. Rxd8 { [%eval -1.07] [%clk 0:42:11] } 21... Rxd8 { [%eval -0.99] [%clk 1:02:13] } 22. Bxb5 { [%eval -1.0] [%clk 0:42:13] } 22... Nxe4 { [%eval -0.89] [%clk 0:58:29] } 23. Bxc6 { [%eval -1.13] [%clk 0:40:01] } 23... Nxc3 { [%eval -1.11] [%clk 0:58:52] } 24. bxc3 { [%eval -0.83] [%clk 0:39:38] } 24... Qxc6 { [%eval -1.03] [%clk 0:59:12] } 25. c4 { [%eval -1.0] [%clk 0:36:45] } 25... Re8?! { [%eval -0.32] } { Inaccuracy. Qa4 was best. } { [%clk 0:58:00] } 26. Qd3 { [%eval -0.38] [%clk 0:36:14] } 26... Bf6 { [%eval -0.39] [%clk 0:57:04] } 27. h3 { [%eval -0.72] [%clk 0:34:18] } 27... Rd8 { [%eval -0.66] [%clk 0:56:17] } 28. Qe3 { [%eval -0.73] [%clk 0:34:47] } 28... Kg7 { [%eval -0.9] [%clk 0:55:41] } 29. Re1 { [%eval -0.89] [%clk 0:34:31] } 29... Rd6?! { [%eval -0.03] } { Inaccuracy. a5 was best. } { [%clk 0:53:08] } 30. Qf4?? { [%eval -1.8] } { Blunder. Ne5 was best. } { [%clk 0:30:35] } 30... Re6 { [%eval -1.67] [%clk 0:52:08] } 31. Rxe6 { [%eval -1.57] [%clk 0:19:20] } 1/2-1/2