Event: Round 5: Erdos, Viktor - Birtwistle, Nigel
Date: 2025-02-15
White: Erdos, Viktor
WhiteTitle: GM
WhiteElo: 2536
Black: Birtwistle, Nigel
BlackElo: 2031
Result: 1-0
ECO: A57
Opening: Benko Gambit Accepted: Modern Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:31] } 1... Nf6 { [%eval 0.19] [%clk 1:30:32] } 2. c4 { [%eval 0.18] [%clk 1:30:53] } 2... c5 { [%eval 0.56] [%clk 1:30:39] } 3. d5 { [%eval 0.47] [%clk 1:31:16] } 3... b5 { [%eval 0.53] [%clk 1:31:05] } 4. cxb5 { [%eval 0.47] [%clk 1:31:41] } 4... a6 { [%eval 0.6] [%clk 1:31:30] } 5. e3 { [%eval 0.42] [%clk 1:32:07] } 5... axb5 { [%eval 0.58] [%clk 1:30:40] } 6. Bxb5 { [%eval 0.5] [%clk 1:32:29] } 6... Qa5+ { [%eval 0.5] [%clk 1:30:18] } 7. Nc3 { [%eval 0.41] [%clk 1:32:47] } 7... Bb7 { [%eval 0.43] [%clk 1:30:40] } 8. Bd2 { [%eval 0.74] [%clk 1:31:54] } 8... Qb6 { [%eval 0.7] [%clk 1:30:46] } 9. a4 { [%eval 0.74] [%clk 1:31:38] } 9... Nxd5 { [%eval 0.69] [%clk 1:23:39] } 10. Nf3 { [%eval 0.67] [%clk 1:31:55] } 10... Nc7 { [%eval 0.8] [%clk 1:21:48] } 11. O-O { [%eval 0.87] [%clk 1:29:06] } 11... Nc6? { [%eval 2.49] } { Mistake. g6 was best. } { [%clk 1:08:40] } 12. e4 { [%eval 2.5] [%clk 1:16:56] } 12... e6 { [%eval 2.56] [%clk 0:57:23] } 13. Bf4 { [%eval 2.11] [%clk 0:57:26] } 13... Be7 { [%eval 1.84] [%clk 0:49:40] } 14. Ne5?! { [%eval 1.16] } { Inaccuracy. Nd2 was best. } { [%clk 0:23:23] } 14... Nxe5 { [%eval 1.19] [%clk 0:31:05] } 15. Bxe5 { [%eval 1.31] [%clk 0:23:48] } 15... Nxb5 { [%eval 1.14] [%clk 0:30:19] } 16. Nxb5 { [%eval 1.15] [%clk 0:24:08] } 16... Rc8 { [%eval 1.27] [%clk 0:30:10] } 17. Qg4 { [%eval 1.01] [%clk 0:22:40] } 17... d6? { [%eval 2.66] } { Mistake. f6 was best. } { [%clk 0:22:56] } 18. Qxg7 { [%eval 2.8] [%clk 0:17:03] } 18... Rf8 { [%eval 2.67] [%clk 0:23:09] } 19. Bf6 { [%eval 2.8] [%clk 0:15:50] } 19... Bxe4 { [%eval 3.02] [%clk 0:21:01] } 20. Rfe1 { [%eval 3.04] [%clk 0:16:08] } 20... Bf5?! { [%eval 4.64] } { Inaccuracy. Bxf6 was best. } { [%clk 0:14:54] } 21. Rad1 { [%eval 4.74] [%clk 0:14:06] } 21... Rc6 { [%eval 4.73] [%clk 0:12:28] } 22. Bxe7 { [%eval 4.64] [%clk 0:09:04] } 22... Kxe7 { [%eval 4.69] [%clk 0:12:46] } 23. g4 { [%eval 4.65] [%clk 0:09:24] } 23... Bc2?! { [%eval 6.65] } { Inaccuracy. Bxg4 was best. } { [%clk 0:09:46] } 24. Rxe6+ { [%eval #10] [%clk 0:09:39] } 24... Kxe6 { [%eval #9] [%clk 0:06:52] } 25. Re1+ { [%eval #8] [%clk 0:10:05] } 25... Kd5 { [%eval #6] [%clk 0:06:40] } 26. Qxf8?? { [%eval 6.58] } { Lost forced checkmate sequence. Qg5+ was best. } { [%clk 0:06:30] } 26... Kc4 { [%eval 6.47] [%clk 0:04:32] } 27. Na3+ { [%eval 6.38] [%clk 0:04:55] } 27... Kb3 { [%eval 6.27] [%clk 0:03:27] } 28. Re3+ { [%eval 5.87] [%clk 0:05:18] } 28... Kxa4?! { [%eval 8.17] } { Inaccuracy. Ka2 was best. } { [%clk 0:03:18] } 29. Nxc2 { [%eval 7.93] [%clk 0:04:56] } 29... Qxb2? { [%eval #8] } { Checkmate is now unavoidable. Qb7 was best. } { [%clk 0:03:18] } 30. Qa8+ { [%eval #7] [%clk 0:05:06] } 30... Kb5 { [%eval #7] [%clk 0:03:41] } 31. Na3+ { [%eval #6] [%clk 0:05:32] } 1-0