Event: Najdorf Memorial
Site: Warsaw POL
Date: 2024-07-15
White: Alvarado, Carlos
WhiteTitle: CM
WhiteElo: 2108
Black: Choroszej, Aleksander
BlackElo: 1997
Result: 0-1
ECO: A37
Opening: English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
Variant: Standard

1. Nf3 { [%eval 0.14] [%clk 1:30:55] } 1... g6 { [%eval 0.43] [%clk 1:29:57] } 2. c4 { [%eval 0.36] [%clk 1:31:12] } 2... Bg7 { [%eval 0.33] [%clk 1:30:17] } 3. Nc3 { [%eval 0.21] [%clk 1:31:29] } 3... c5 { [%eval 0.17] [%clk 1:27:54] } 4. g3 { [%eval 0.15] [%clk 1:31:47] } 4... Nc6 { [%eval 0.19] [%clk 1:28:17] } 5. Bg2 { [%eval 0.09] [%clk 1:32:09] } 5... e5 { [%eval 0.23] [%clk 1:28:26] } 6. d3 { [%eval 0.18] [%clk 1:31:07] } 6... Nge7 { [%eval 0.24] [%clk 1:28:40] } 7. O-O { [%eval 0.14] [%clk 1:30:15] } 7... O-O { [%eval 0.16] [%clk 1:29:00] } 8. a3 { [%eval 0.26] [%clk 1:30:03] } 8... a5 { [%eval 0.33] [%clk 1:24:33] } 9. Ne1 { [%eval 0.3] [%clk 1:30:11] } 9... d6 { [%eval 0.32] [%clk 1:23:16] } 10. Nc2 { [%eval 0.35] [%clk 1:30:32] } 10... Rb8 { [%eval 0.51] [%clk 1:21:41] } 11. Rb1 { [%eval 0.53] [%clk 1:29:55] } 11... Be6 { [%eval 0.48] [%clk 1:21:04] } 12. b4 { [%eval 0.4] [%clk 1:20:30] } 12... b6 { [%eval 0.89] [%clk 1:02:59] } 13. Bg5 { [%eval 0.77] [%clk 0:58:16] } 13... f6 { [%eval 0.85] [%clk 1:03:09] } 14. Bd2 { [%eval 0.8] [%clk 0:58:32] } 14... axb4 { [%eval 0.83] [%clk 0:50:54] } 15. axb4 { [%eval 0.85] [%clk 0:57:57] } 15... Qd7 { [%eval 0.86] [%clk 0:50:21] } 16. Re1 { [%eval 0.34] [%clk 0:51:37] } 16... h6 { [%eval 0.84] [%clk 0:39:54] } 17. b5 { [%eval 0.89] [%clk 0:39:50] } 17... Nd4 { [%eval 0.83] [%clk 0:34:16] } 18. Ne3 { [%eval 0.83] [%clk 0:38:49] } 18... Kh7 { [%eval 0.78] [%clk 0:17:20] } 19. Ra1 { [%eval 0.43] [%clk 0:37:27] } 19... f5 { [%eval 0.56] [%clk 0:16:33] } 20. Ned5 { [%eval 0.5] [%clk 0:35:33] } 20... f4?! { [%eval 1.23] } { Inaccuracy. Nxd5 was best. } { [%clk 0:16:09] } 21. Nxe7 { [%eval 1.26] [%clk 0:35:20] } 21... Qxe7 { [%eval 1.09] [%clk 0:16:10] } 22. e3 { [%eval 1.14] [%clk 0:35:27] } 22... fxg3 { [%eval 1.71] } 23. fxg3 { [%eval 1.32] [%clk 0:35:01] } 23... Nf5 { [%eval 1.26] [%clk 0:13:37] } 24. Ra6 { [%eval 1.26] [%clk 0:31:22] } 24... h5 { [%eval 1.2] [%clk 0:09:01] } 25. Qe2?? { [%eval -1.46] } { Blunder. Rf1 was best. } { [%clk 0:28:28] } 25... Nxg3 { [%eval -1.43] [%clk 0:07:43] } 26. Qd1?! { [%eval -2.1] } { Inaccuracy. hxg3 was best. } { [%clk 0:26:19] } 26... Nf5 { [%eval -2.06] [%clk 0:05:44] } 27. Rf1? { [%eval -4.0] } { Mistake. Be4 was best. } { [%clk 0:24:13] } 27... Nh4 { [%eval -3.95] [%clk 0:05:10] } 28. Ne4 { [%eval -3.98] [%clk 0:20:25] } 28... Bg4 { [%eval -4.13] [%clk 0:04:28] } 29. Qe1 { [%eval -4.19] [%clk 0:20:30] } 29... Rxf1+ { [%eval -4.12] [%clk 0:04:13] } 30. Qxf1 { [%eval -3.79] [%clk 0:20:48] } 30... Rf8 { [%eval -4.01] [%clk 0:04:35] } 31. Qa1?! { [%eval -5.19] } { Inaccuracy. Qxf8 was best. } { [%clk 0:15:39] } 31... Nxg2 { [%eval -5.51] [%clk 0:04:06] } 32. Rxb6?! { [%eval -7.28] } { Inaccuracy. Be1 was best. } { [%clk 0:12:49] } 32... Nh4 { [%eval -7.12] [%clk 0:03:13] } 33. Bc3? { [%eval #-9] } { Checkmate is now unavoidable. Be1 was best. } { [%clk 0:12:19] } 33... Nf3+ { [%eval #-8] [%clk 0:02:35] } 34. Kh1 { [%eval #-8] [%clk 0:12:34] } 34... Qh4 { [%eval #-7] [%clk 0:02:12] } 35. Qb2 { [%eval #-6] [%clk 0:12:11] } 35... Ne1 { [%eval #-6] [%clk 0:00:55] } 36. Kg1 { [%eval #-6] [%clk 0:09:54] } 36... Nxd3? { [%eval -9.34] } { Lost forced checkmate sequence. Bh3 was best. } { [%clk 0:00:38] } 37. Qd2? { [%eval #-7] } { Checkmate is now unavoidable. Qg2 was best. } { [%clk 0:09:52] } 37... Bh3 { [%eval #-6] [%clk 0:00:32] } 38. Ng3 { [%eval #-6] [%clk 0:09:59] } 38... Nf2?? { [%eval -6.96] } { Lost forced checkmate sequence. Qg4 was best. } { [%clk 0:00:37] } 39. Qxd6 { [%eval -6.85] [%clk 0:09:54] } 39... Qg4 { [%eval -6.59] [%clk 0:00:33] } 40. Bxe5?? { [%eval #-11] } { Checkmate is now unavoidable. Qxf8 was best. } { [%clk 0:38:45] } 40... Ne4 { [%eval #-10] [%clk 0:30:34] } 0-1