Event: Round 4 - IM C: Nicholas Matta - Alexey Diulger
Site: https://lichess.org/study/oE5QwPiw/Svi8TqeR
Date: 2021-07-30
White: Nicholas Matta
Black: Alexey Diulger
Result: 1-0
ECO: D21
Opening: Queen's Gambit Accepted: Gunsberg Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:24:41] } 1... d5 { [%eval 0.23] [%clk 1:29:41] } 2. c4 { [%eval 0.0] [%clk 1:24:59] } 2... dxc4 { [%eval 0.41] [%clk 1:29:26] } 3. Nf3 { [%eval 0.0] [%clk 1:25:08] } 3... c5 { [%eval 0.4] [%clk 1:28:01] } 4. e3 { [%eval 0.13] [%clk 1:22:18] } 4... cxd4 { [%eval 0.16] [%clk 1:25:25] } 5. Bxc4 { [%eval 0.13] [%clk 1:19:32] } 5... Qc7 { [%eval 0.48] [%clk 1:18:17] } 6. Qa4+?! { [%eval -0.36] } { Inaccuracy. Qb3 was best. } { [%clk 1:04:51] } 6... Bd7 { [%eval -0.21] [%clk 1:10:34] } 7. Qb3 { [%eval -0.37] [%clk 1:03:39] } 7... Nh6?! { [%eval 0.3] } { Inaccuracy. e6 was best. } { [%clk 1:09:06] } 8. Nxd4 { [%eval 0.23] [%clk 0:56:35] } 8... e5? { [%eval 1.68] } { Mistake. Nc6 was best. } { [%clk 1:08:36] } 9. Nb5 { [%eval 1.7] [%clk 0:55:41] } 9... Qb6? { [%eval 3.15] } { Mistake. Bxb5 was best. } { [%clk 0:58:50] } 10. N1c3 { [%eval 3.06] [%clk 0:54:20] } 10... Na6 { [%eval 3.02] [%clk 0:57:20] } 11. e4?! { [%eval 2.29] } { Inaccuracy. Nd5 was best. } { [%clk 0:47:56] } 11... Nc5 { [%eval 2.51] [%clk 0:57:24] } 12. Qc2 { [%eval 2.32] [%clk 0:45:37] } 12... Ne6 { [%eval 2.31] [%clk 0:52:18] } 13. Be3?! { [%eval 1.7] } { Inaccuracy. Nd5 was best. } { [%clk 0:38:29] } 13... Qa5?? { [%eval 4.51] } { Blunder. Bc5 was best. } { [%clk 0:48:12] } 14. Rd1? { [%eval 2.59] } { Mistake. O-O-O was best. } { [%clk 0:35:12] } 14... Ng4?? { [%eval 5.43] } { Blunder. a6 was best. } { [%clk 0:47:34] } 15. Rxd7 { [%eval 5.9] [%clk 0:19:46] } 15... Nxe3 { [%eval 6.01] [%clk 0:46:20] } 16. fxe3 { [%eval 5.86] [%clk 0:20:07] } 16... Kxd7 { [%eval 5.94] [%clk 0:46:31] } 17. O-O { [%eval 5.71] [%clk 0:20:30] } 17... Ke8?! { [%eval 11.23] } { Inaccuracy. Qb6 was best. } { [%clk 0:44:38] } 18. Qf2 { [%eval 7.28] [%clk 0:19:58] } 18... f6 { [%eval 8.86] [%clk 0:42:46] } 19. Bxe6 { [%eval 7.55] [%clk 0:14:00] } 19... a6 { [%eval 9.32] [%clk 0:42:52] } 20. Nd5 { [%eval 9.49] [%clk 0:13:28] } 20... axb5 { [%eval 10.42] [%clk 0:42:42] } 21. Nxf6+ { [%eval 9.16] [%clk 0:13:20] } 21... Kd8 { [%eval 12.74] [%clk 0:42:33] } 22. Nd5 { [%eval 12.56] [%clk 0:12:49] } 1-0