Event: Round 6: Sapenov, Daniyal - Efimov, Leonid
Date: 2024-06-16
White: Sapenov, Daniyal
WhiteTitle: FM
WhiteElo: 2339
Black: Efimov, Leonid
BlackElo: 2099
Result: 1/2-1/2
ECO: D37
Opening: Queen's Gambit Declined: Vienna Variation, Quiet Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:58] } 1... Nf6 { [%eval 0.24] [%clk 1:30:56] } 2. Nf3 { [%eval 0.19] [%clk 1:31:21] } 2... d5 { [%eval 0.3] [%clk 1:29:33] } 3. c4 { [%eval 0.29] [%clk 1:30:17] } 3... e6 { [%eval 0.16] [%clk 1:29:29] } 4. Nc3 { [%eval 0.18] [%clk 1:28:35] } 4... dxc4 { [%eval 0.3] [%clk 1:20:06] } 5. e3 { [%eval 0.27] [%clk 1:27:46] } 5... a6 { [%eval 0.21] [%clk 1:16:55] } 6. a4 { [%eval 0.28] [%clk 1:26:24] } 6... c5 { [%eval 0.28] [%clk 1:14:46] } 7. Bxc4 { [%eval 0.1] [%clk 1:26:42] } 7... Nc6 { [%eval 0.28] [%clk 1:13:40] } 8. O-O { [%eval 0.18] [%clk 1:25:28] } 8... Be7 { [%eval 0.16] [%clk 1:10:44] } 9. Qe2 { [%eval 0.36] [%clk 1:22:00] } 9... Qc7 { [%eval 0.58] [%clk 1:09:03] } 10. Rd1 { [%eval 0.47] [%clk 1:11:02] } 10... O-O { [%eval 0.62] [%clk 1:02:51] } 11. Bd2 { [%eval 0.37] [%clk 0:56:48] } 11... Rd8 { [%eval 0.49] [%clk 0:52:34] } 12. Be1 { [%eval 0.52] [%clk 0:54:38] } 12... Na5 { [%eval 0.53] [%clk 0:33:00] } 13. Ba2 { [%eval 0.52] [%clk 0:52:32] } 13... Bd7?! { [%eval 1.18] } { Inaccuracy. Be7 was best. } { [%clk 0:32:28] } 14. d5? { [%eval 0.01] } { Mistake. Nxe4 was best. } { [%clk 0:50:03] } 14... c4?! { [%eval 0.62] } { Inaccuracy. Bxd4 was best. } { [%clk 0:31:19] } 15. e4 { [%eval 0.69] [%clk 0:47:01] } 15... e5 { [%eval 0.89] [%clk 0:28:22] } 16. Rac1 { [%eval 0.85] [%clk 0:27:51] } 16... Bd6 { [%eval 0.78] [%clk 0:22:52] } 17. Bd2 { [%eval 0.77] [%clk 0:22:35] } 17... h6 { [%eval 0.99] [%clk 0:20:44] } 18. Qe1 { [%eval 0.72] [%clk 0:22:15] } 18... b5 { [%eval 1.28] [%clk 0:18:31] } 1/2-1/2