Event: Round 6: Leon Lederman - Boris Gruzmann
Date: 2021-10-01
White: Leon Lederman
Black: Boris Gruzmann
Result: 0-1
ECO: C74
Opening: Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Siesta Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:55] } 1... e5 { [%eval 0.12] [%clk 1:30:41] } 2. Nf3 { [%eval 0.17] [%clk 1:31:21] } 2... Nc6 { [%eval 0.12] [%clk 1:30:58] } 3. Bb5 { [%eval 0.2] [%clk 1:31:47] } 3... a6 { [%eval 0.22] [%clk 1:31:13] } 4. Ba4 { [%eval 0.4] [%clk 1:32:13] } 4... d6 { [%eval 0.35] [%clk 1:31:23] } 5. c3 { [%eval 0.27] [%clk 1:32:34] } 5... f5 { [%eval 0.43] [%clk 1:30:46] } 6. exf5 { [%eval 0.4] [%clk 1:31:47] } 6... Bxf5 { [%eval 0.81] [%clk 1:31:01] } 7. d4?! { [%eval 0.2] } { Inaccuracy. O-O was best. } { [%clk 1:30:16] } 7... e4 { [%eval 0.13] [%clk 1:29:36] } 8. Nfd2 { [%eval -0.33] [%clk 1:23:09] } 8... d5 { [%eval -0.16] [%clk 1:25:16] } 9. Nf1 { [%eval -0.66] [%clk 1:22:45] } 9... Be7? { [%eval 0.72] } { Mistake. Bg6 was best. } { [%clk 1:21:30] } 10. Ne3 { [%eval 0.62] [%clk 1:20:06] } 10... Bg6? { [%eval 1.84] } { Mistake. Be6 was best. } { [%clk 1:20:45] } 11. c4? { [%eval 0.43] } { Mistake. Qb3 was best. } { [%clk 1:11:04] } 11... Nf6 { [%eval 0.47] [%clk 1:02:17] } 12. Nc3 { [%eval 0.45] [%clk 1:09:18] } 12... dxc4 { [%eval 0.41] [%clk 0:55:52] } 13. d5 { [%eval 0.5] [%clk 1:06:09] } 13... b5 { [%eval 0.46] [%clk 0:54:55] } 14. Nxb5 { [%eval 0.55] [%clk 1:03:00] } 14... O-O { [%eval 0.46] [%clk 0:51:13] } 15. dxc6 { [%eval 0.37] [%clk 1:01:52] } 15... axb5 { [%eval 0.32] [%clk 0:49:24] } 16. Qxd8?? { [%eval -2.05] } { Blunder. Bxb5 was best. } { [%clk 1:01:57] } 16... Raxd8 { [%eval -2.45] [%clk 0:48:49] } 17. Bxb5 { [%eval -2.0] [%clk 1:02:20] } 17... Bb4+ { [%eval -2.56] [%clk 0:48:48] } 18. Kf1 { [%eval -2.67] [%clk 1:01:48] } 18... c3?? { [%eval -0.79] } { Blunder. Ng4 was best. } { [%clk 0:45:29] } 19. bxc3?? { [%eval -5.14] } { Blunder. Bc4+ was best. } { [%clk 0:59:53] } 19... Bxc3 { [%eval -5.09] [%clk 0:45:38] } 20. Rb1 { [%eval -4.95] [%clk 1:00:15] } 20... Ng4 { [%eval -5.31] [%clk 0:44:48] } 21. Kg1 { [%eval -4.87] [%clk 0:45:24] } 21... Nxf2 { [%eval -5.07] [%clk 0:44:08] } 22. Ba3?! { [%eval -7.26] } { Inaccuracy. a4 was best. } { [%clk 0:44:47] } 22... Bd4 { [%eval -7.18] [%clk 0:32:29] } 23. Bxf8 { [%eval -7.36] [%clk 0:37:56] } 23... Rxf8 { [%eval -7.37] [%clk 0:32:06] } 24. Bc4+ { [%eval -7.46] [%clk 0:35:30] } 24... Kh8 { [%eval -7.28] [%clk 0:32:10] } 25. Rb3 { [%eval -7.99] [%clk 0:28:10] } 25... Ng4 { [%eval -7.77] [%clk 0:32:05] } 26. g3 { [%eval -9.05] [%clk 0:27:48] } 26... Nxe3 { [%eval -9.07] [%clk 0:31:19] } 27. Ba6 { [%eval -11.37] [%clk 0:28:11] } 27... Bh5 { [%eval -9.59] [%clk 0:25:41] } 28. h3? { [%eval #-5] } { Checkmate is now unavoidable. g4 was best. } { [%clk 0:24:54] } 28... Ng4+ { [%eval #-6] [%clk 0:21:58] } 29. Kg2 { [%eval #-6] [%clk 0:25:02] } 29... Rf2+ { [%eval #-5] [%clk 0:22:09] } 30. Kg1 { [%eval #-5] [%clk 0:23:57] } 30... Rh2+?! { [%eval -13.59] } { Lost forced checkmate sequence. Rxa2+ was best. } 0-1