Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-27
White: Lederman, Leon
WhiteTitle: IM
WhiteElo: 2201
Black: Biro, Sandor
BlackTitle: IM
BlackElo: 2054
Result: 1/2-1/2
ECO: C80
Opening: Ruy Lopez: Open, Riga Variation
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... e5 { [%eval 0.21] [%clk 1:30:14] } 2. Nf3 { [%eval 0.13] [%clk 1:31:22] } 2... Nc6 { [%eval 0.17] [%clk 1:30:36] } 3. Bb5 { [%eval 0.08] [%clk 1:31:49] } 3... a6 { [%eval 0.21] [%clk 1:30:00] } 4. Ba4 { [%eval 0.27] [%clk 1:32:14] } 4... Nf6 { [%eval 0.18] [%clk 1:29:56] } 5. O-O { [%eval 0.17] [%clk 1:32:37] } 5... Nxe4 { [%eval 0.17] [%clk 1:30:20] } 6. d4 { [%eval 0.21] [%clk 1:33:03] } 6... exd4?! { [%eval 1.16] } { Inaccuracy. b5 was best. } { [%clk 1:30:40] } 7. Re1 { [%eval 0.92] [%clk 1:33:22] } 7... d5 { [%eval 1.08] [%clk 1:31:05] } 8. Nxd4 { [%eval 1.51] [%clk 1:33:46] } 8... Bd6 { [%eval 1.46] [%clk 1:31:25] } 9. Nxc6 { [%eval 1.46] [%clk 1:34:00] } 9... Bxh2+ { [%eval 1.61] [%clk 1:31:49] } 10. Kh1 { [%eval 1.57] [%clk 1:34:26] } 10... Qh4 { [%eval 1.56] [%clk 1:32:09] } 11. Rxe4+ { [%eval 1.5] [%clk 1:34:49] } 11... dxe4 { [%eval 1.49] [%clk 1:32:32] } 12. Qd8+ { [%eval 1.48] [%clk 1:35:11] } 12... Qxd8 { [%eval 1.48] [%clk 1:32:51] } 13. Nxd8+ { [%eval 1.52] [%clk 1:35:37] } 13... Kxd8 { [%eval 1.48] [%clk 1:33:01] } 14. Kxh2 { [%eval 1.57] [%clk 1:36:05] } 14... Be6 { [%eval 1.57] [%clk 1:33:20] } 15. Nc3? { [%eval 0.0] } { Mistake. Bf4 was best. } { [%clk 1:36:20] } 15... c5 { [%eval 0.02] [%clk 1:31:58] } 16. Nxe4?! { [%eval -0.82] } { Inaccuracy. Bg5+ was best. } { [%clk 1:31:02] } 16... b5 { [%eval -0.83] [%clk 1:31:54] } 17. Nxc5 { [%eval -0.76] [%clk 1:27:52] } 17... bxa4 { [%eval -0.67] [%clk 1:31:54] } 18. Nxa4 { [%eval -0.78] [%clk 1:27:57] } 18... Rc8 { [%eval -0.83] [%clk 1:30:19] } 19. c3 { [%eval -0.81] [%clk 1:28:00] } 19... Rc4 { [%eval -0.7] [%clk 1:26:59] } 20. b3 { [%eval -0.67] [%clk 1:27:01] } 20... Rh4+ { [%eval -0.57] [%clk 1:24:31] } 21. Kg1 { [%eval -0.53] [%clk 1:26:52] } 21... Rh5 { [%eval -0.24] [%clk 1:18:10] } 22. Be3 { [%eval -0.24] [%clk 1:24:08] } 22... Ke7 { [%eval -0.11] [%clk 1:17:31] } 23. Bc5+ { [%eval -0.16] [%clk 1:21:33] } 23... Kf6 { [%eval -0.1] [%clk 1:17:30] } 24. Bd4+ { [%eval -0.11] [%clk 1:21:56] } 24... Kg6 { [%eval -0.02] [%clk 1:17:20] } 25. Nc5 { [%eval -0.06] [%clk 1:19:16] } 25... Rc8 { [%eval -0.05] [%clk 0:57:37] } 26. Nxe6 { [%eval -0.22] [%clk 1:05:00] } 26... fxe6 { [%eval -0.2] [%clk 0:57:17] } 27. c4 { [%eval -0.2] [%clk 1:05:25] } 27... Rd8 { [%eval -0.02] [%clk 0:55:26] } 28. Be3 { [%eval 0.0] [%clk 1:05:38] } 28... Rc8 { [%eval 0.0] [%clk 0:57:37] } 29. Bd4 { [%eval -0.24] [%clk 1:05:25] } 29... Rd8 { [%eval -0.02] [%clk 0:55:26] } 30. Be3 { [%eval -0.14] [%clk 1:05:38] } 30... Rd3 { [%eval -0.01] [%clk 0:46:46] } 1/2-1/2