Event: Round 4: Cheng, Bobby - Derakhshani, Borna
Date: 2025-02-20
White: Cheng, Bobby
WhiteTitle: GM
WhiteElo: 2594
Black: Derakhshani, Borna
BlackTitle: FM
BlackElo: 2355
Result: 1-0
ECO: D37
Opening: Queen's Gambit Declined: Three Knights Variation
Variant: Standard

1. Nf3 { [%eval 0.14] [%clk 1:30:57] } 1... Nf6 { [%eval 0.18] [%clk 1:27:37] } 2. c4 { [%eval 0.12] [%clk 1:31:18] } 2... e6 { [%eval 0.25] [%clk 1:27:52] } 3. Nc3 { [%eval 0.2] [%clk 1:31:28] } 3... d5 { [%eval 0.14] [%clk 1:28:02] } 4. d4 { [%eval 0.1] [%clk 1:31:41] } 4... Be7 { [%eval 0.14] [%clk 1:27:30] } 5. cxd5 { [%eval 0.14] [%clk 1:24:07] } 5... exd5 { [%eval 0.09] [%clk 1:27:55] } 6. Bf4 { [%eval 0.0] [%clk 1:24:28] } 6... O-O { [%eval 0.24] [%clk 1:23:56] } 7. e3 { [%eval 0.13] [%clk 1:24:25] } 7... Bf5 { [%eval 0.17] [%clk 1:22:52] } 8. Qb3 { [%eval 0.22] [%clk 1:16:26] } 8... Nc6 { [%eval 0.2] [%clk 1:15:30] } 9. a3 { [%eval 0.13] [%clk 1:12:22] } 9... Na5 { [%eval 0.16] [%clk 0:58:41] } 10. Qa2 { [%eval -0.01] [%clk 1:12:02] } 10... Be6 { [%eval 0.2] [%clk 0:58:10] } 11. Ng5 { [%eval 0.09] [%clk 0:54:06] } 11... Bf5 { [%eval 0.15] [%clk 0:47:04] } 12. Be2 { [%eval 0.21] [%clk 0:50:34] } 12... c6 { [%eval 0.16] [%clk 0:35:15] } 13. O-O { [%eval 0.27] [%clk 0:38:34] } 13... b5 { [%eval 0.25] [%clk 0:34:52] } 14. b3 { [%eval 0.24] [%clk 0:36:33] } 14... Rc8 { [%eval 0.3] [%clk 0:29:21] } 15. h3 { [%eval 0.3] [%clk 0:33:00] } 15... Re8 { [%eval 0.27] [%clk 0:27:21] } 16. Nf3 { [%eval 0.31] [%clk 0:32:52] } 16... Ne4 { [%eval 0.58] [%clk 0:21:43] } 17. Rfc1 { [%eval 0.37] [%clk 0:29:32] } 17... Bd6 { [%eval 0.56] [%clk 0:18:30] } 18. Bxd6 { [%eval 0.49] [%clk 0:26:25] } 18... Qxd6 { [%eval 0.68] [%clk 0:18:17] } 19. Qb2 { [%eval 0.63] [%clk 0:24:02] } 19... Qh6 { [%eval 1.03] [%clk 0:16:00] } 20. Ne5 { [%eval 0.58] [%clk 0:20:20] } 20... f6?! { [%eval 1.3] } { Inaccuracy. Ng5 was best. } { [%clk 0:14:00] } 21. Nd3 { [%eval 1.04] [%clk 0:18:09] } 21... Nb7?! { [%eval 2.07] } { Inaccuracy. Ng5 was best. } { [%clk 0:05:52] } 22. Nxe4 { [%eval 1.79] [%clk 0:15:35] } 22... Bxe4 { [%eval 1.7] [%clk 0:02:46] } 23. a4 { [%eval 1.59] [%clk 0:16:04] } 23... Qg5?! { [%eval 2.37] } { Inaccuracy. bxa4 was best. } { [%clk 0:00:55] } 24. Nf4 { [%eval 2.32] [%clk 0:15:35] } 24... bxa4 { [%eval 2.15] [%clk 0:00:31] } 25. Rxa4 { [%eval 2.25] [%clk 0:15:24] } 25... a5?! { [%eval 3.63] } { Inaccuracy. Nd8 was best. } { [%clk 0:01:00] } 26. Ba6 { [%eval 3.45] [%clk 0:11:01] } 26... Rc7 { [%eval 3.7] [%clk 0:01:11] } 27. Bxb7 { [%eval 3.7] [%clk 0:10:34] } 27... Rxb7 { [%eval 3.62] [%clk 0:01:40] } 28. Rxa5 { [%eval 3.76] [%clk 0:10:57] } 28... Reb8 { [%eval 3.59] [%clk 0:01:15] } 29. Rxc6 { [%eval 3.69] [%clk 0:11:06] } 29... Rxb3? { [%eval 6.33] } { Mistake. h5 was best. } { [%clk 0:00:47] } 30. Qxb3 { [%eval 6.38] [%clk 0:10:56] } 1-0