Event: 65+ World Senior Championship
Site: -
Date: 2023-10-25
White: Birnboim, Nathan
WhiteTitle: IM
WhiteElo: 2342
Black: Lochte, Thomas
BlackElo: 1990
Result: 1-0
ECO: A57
Opening: Benko Gambit Accepted: Pawn Return Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... Nf6 { [%eval 0.28] [%clk 1:30:51] } 2. c4 { [%eval 0.16] [%clk 1:31:09] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:30:43] } 3. d5 { [%eval 0.75] [%clk 1:29:48] } 3... b5 { [%eval 0.83] [%clk 1:31:04] } 4. cxb5 { [%eval 0.8] [%clk 1:30:03] } 4... a6 { [%eval 0.74] [%clk 1:31:16] } 5. b6 { [%eval 0.27] [%clk 1:30:25] } 5... Qxb6 { [%eval 0.28] [%clk 1:30:37] } 6. Nc3 { [%eval 0.54] [%clk 1:29:55] } 6... d6 { [%eval 0.44] [%clk 1:30:27] } 7. e4 { [%eval 0.56] [%clk 1:27:42] } 7... g6 { [%eval 0.54] [%clk 1:30:05] } 8. Nf3 { [%eval 0.47] [%clk 1:23:50] } 8... Bg4 { [%eval 0.6] [%clk 1:29:18] } 9. Qa4+ { [%eval 0.64] [%clk 1:18:52] } 9... Bd7 { [%eval 0.62] [%clk 1:19:48] } 10. Qc2 { [%eval 0.68] [%clk 1:19:07] } 10... Bg7 { [%eval 0.6] [%clk 1:17:12] } 11. Bc4 { [%eval 0.25] [%clk 1:07:44] } 11... O-O { [%eval 0.35] [%clk 1:16:07] } 12. O-O { [%eval 0.38] [%clk 1:07:16] } 12... Bb5 { [%eval 0.4] [%clk 1:14:49] } 13. Nd2 { [%eval 0.46] [%clk 0:57:52] } 13... Nbd7 { [%eval 0.35] [%clk 1:14:55] } 14. a4 { [%eval 0.49] [%clk 0:54:15] } 14... Bxc4 { [%eval 0.35] [%clk 1:14:01] } 15. Nxc4 { [%eval 0.31] [%clk 0:54:31] } 15... Qb4 { [%eval 0.79] [%clk 1:12:17] } 16. Na2?! { [%eval 0.1] } { Inaccuracy. b3 was best. } { [%clk 0:51:12] } 16... Qb8 { [%eval 0.51] [%clk 1:08:39] } 17. Bd2 { [%eval 0.16] [%clk 0:49:03] } 17... Nb6 { [%eval 0.25] [%clk 1:00:30] } 18. Ne3 { [%eval 0.25] [%clk 0:45:26] } 18... a5 { [%eval 0.48] [%clk 0:52:01] } 19. Nc3 { [%eval 0.57] [%clk 0:36:51] } 19... Qc8 { [%eval 0.58] [%clk 0:46:33] } 20. Nb5 { [%eval 0.62] [%clk 0:35:51] } 20... Ng4 { [%eval 0.53] [%clk 0:42:25] } 21. Nxg4 { [%eval 0.6] [%clk 0:34:57] } 21... Qxg4 { [%eval 0.45] [%clk 0:42:53] } 22. Bc3 { [%eval 0.31] [%clk 0:30:09] } 22... Bxc3 { [%eval 0.39] [%clk 0:38:00] } 23. bxc3 { [%eval 0.35] [%clk 0:22:35] } 23... f5?! { [%eval 1.02] } { Inaccuracy. g5 was best. } { [%clk 0:28:56] } 24. Nc7?! { [%eval 0.2] } { Inaccuracy. f3 was best. } { [%clk 0:17:07] } 24... Rac8? { [%eval 1.55] } { Mistake. Qxe4 was best. } { [%clk 0:28:59] } 25. Ne6?! { [%eval 0.44] } { Inaccuracy. f3 was best. } { [%clk 0:17:18] } 25... Rf6?? { [%eval 2.32] } { Blunder. Qxe4 was best. } { [%clk 0:29:06] } 26. f3 { [%eval 2.56] [%clk 0:15:35] } 26... Qh5 { [%eval 2.33] [%clk 0:27:25] } 27. Rab1 { [%eval 1.87] [%clk 0:12:21] } 27... Nc4?! { [%eval 2.82] } { Inaccuracy. fxe4 was best. } { [%clk 0:24:46] } 28. Qa2? { [%eval 1.32] } { Mistake. Qd3 was best. } { [%clk 0:08:49] } 28... Ne5 { [%eval 1.88] [%clk 0:20:26] } 29. f4 { [%eval 1.79] [%clk 0:09:00] } 29... Nd3 { [%eval 2.07] [%clk 0:11:37] } 30. Rb7?? { [%eval 0.0] } { Blunder. e5 was best. } { [%clk 0:05:01] } 30... fxe4 { [%eval 0.0] [%clk 0:08:30] } 31. Qb1?? { [%eval -4.16] } { Blunder. Rxe7 was best. } { [%clk 0:03:38] } 31... Qe2?? { [%eval 0.0] } { Blunder. Qxd5 was best. } { [%clk 0:07:45] } 32. Rb8?! { [%eval -0.96] } { Inaccuracy. Rxe7 was best. } { [%clk 0:03:27] } 32... Rff8 { [%eval -0.87] [%clk 0:05:53] } 33. Rb7?? { [%eval -3.24] } { Blunder. Rxc8 was best. } { [%clk 0:03:01] } 33... Qe3+ { [%eval -2.81] [%clk 0:04:42] } 34. Kh1 { [%eval -2.56] [%clk 0:03:26] } 34... Nf2+ { [%eval -2.63] [%clk 0:04:51] } 35. Rxf2 { [%eval -2.84] [%clk 0:03:54] } 35... Qxf2 { [%eval -3.13] [%clk 0:05:05] } 36. h3? { [%eval -5.3] } { Mistake. Nxf8 was best. } { [%clk 0:02:40] } 36... e3 { [%eval -5.4] [%clk 0:04:09] } 37. Rxe7 { [%eval -5.3] [%clk 0:02:08] } 37... e2?? { [%eval #7] } { Checkmate is now unavoidable. Rb8 was best. } { [%clk 0:04:12] } 38. Rg7+ { [%eval #6] [%clk 0:02:28] } 38... Kh8 { [%eval #6] [%clk 0:04:40] } 39. Rxh7+ { [%eval #5] [%clk 0:02:51] } 39... Kxh7 { [%eval #5] [%clk 0:04:49] } 40. Qb7+ { [%eval #4] [%clk 0:03:17] } 1-0