Event: Round 4: Ian Nepomniachtchi - Alireza Firouzja
Date: 2022-06-18
White: Ian Nepomniachtchi
WhiteTitle: GM
Black: Alireza Firouzja
BlackTitle: GM
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:59:56] } 1... c5 { [%eval 0.32] [%clk 1:59:54] } 2. Nf3 { [%eval 0.0] [%clk 1:59:46] } 2... d6 { [%eval 0.0] [%clk 1:59:47] } 3. d4 { [%eval 0.3] [%clk 1:59:38] } 3... cxd4 { [%eval 0.13] [%clk 1:59:41] } 4. Nxd4 { [%eval 0.29] [%clk 1:59:35] } 4... Nf6 { [%eval 0.31] [%clk 1:59:33] } 5. Nc3 { [%eval 0.18] [%clk 1:59:31] } 5... a6 { [%eval 0.0] [%clk 1:59:25] } 6. f3 { [%eval 0.33] [%clk 1:58:43] } 6... e5 { [%eval 0.32] [%clk 1:59:05] } 7. Nb3 { [%eval 0.1] [%clk 1:58:36] } 7... Be6 { [%eval 0.38] [%clk 1:58:46] } 8. Be3 { [%eval 0.5] [%clk 1:58:29] } 8... Be7 { [%eval 0.49] [%clk 1:58:31] } 9. Qd2 { [%eval 0.45] [%clk 1:58:03] } 9... O-O { [%eval 0.23] [%clk 1:58:14] } 10. O-O-O { [%eval 0.37] [%clk 1:56:38] } 10... Nbd7 { [%eval 0.4] [%clk 1:57:59] } 11. g4 { [%eval 0.47] [%clk 1:56:12] } 11... b5 { [%eval 0.35] [%clk 1:57:43] } 12. g5 { [%eval 0.47] [%clk 1:55:56] } 12... b4 { [%eval 0.75] [%clk 1:57:32] } 13. Ne2 { [%eval 0.49] [%clk 1:55:19] } 13... Ne8 { [%eval 0.88] [%clk 1:57:18] } 14. f4 { [%eval 0.68] [%clk 1:54:27] } 14... a5 { [%eval 0.84] [%clk 1:56:59] } 15. f5 { [%eval 0.58] [%clk 1:54:12] } 15... Bc4 { [%eval 0.77] [%clk 1:56:44] } 16. Kb1 { [%eval 0.41] [%clk 1:44:49] } 16... a4 { [%eval 0.8] [%clk 1:55:01] } 17. Nbc1 { [%eval 0.53] [%clk 1:42:58] } 17... d5 { [%eval 0.53] [%clk 1:54:42] } 18. f6 { [%eval 0.37] [%clk 1:37:29] } 18... gxf6 { [%eval 0.5] [%clk 1:53:06] } 19. gxf6 { [%eval 0.13] [%clk 1:36:51] } 19... Ndxf6 { [%eval -0.01] [%clk 1:46:24] } 20. Ng3 { [%eval 0.0] [%clk 1:36:08] } 20... Bxf1?! { [%eval 0.8] } { Inaccuracy. Nd6 was best. } { [%clk 1:15:48] } 21. Rhxf1 { [%eval 0.31] [%clk 1:32:22] } 21... a3 { [%eval 0.66] [%clk 0:47:00] } 22. b3 { [%eval 0.92] [%clk 1:25:16] } 22... Kh8 { [%eval 0.54] [%clk 0:37:39] } 23. exd5 { [%eval 0.79] [%clk 1:24:25] } 23... Nd6?? { [%eval 2.51] } { Blunder. Qc7 was best. } { [%clk 0:31:03] } 24. Qxb4 { [%eval 2.41] [%clk 1:21:30] } 24... Rc8? { [%eval 4.46] } { Mistake. Rb8 was best. } { [%clk 0:25:06] } 25. Bb6 { [%eval 4.69] [%clk 1:16:28] } 25... Qd7 { [%eval 4.97] [%clk 0:18:23] } 26. Qe1 { [%eval 4.92] [%clk 1:16:13] } 26... Rb8 { [%eval 5.45] [%clk 0:03:13] } 27. Ba5 { [%eval 4.5] [%clk 1:14:31] } 27... Nc4 { [%eval 5.27] [%clk 0:01:24] } 28. d6 { [%eval 5.37] [%clk 1:12:18] } 28... Bd8 { [%eval 6.1] [%clk 0:01:11] } 29. Bc3 { [%eval 5.47] [%clk 1:07:53] } 29... Qe6 { [%eval 5.31] [%clk 0:01:08] } 30. Nd3 { [%eval 5.48] [%clk 1:03:44] } 30... Nd5 { [%eval 5.58] [%clk 0:01:05] } 31. Nf4 { [%eval 5.19] [%clk 0:58:20] } 31... Nxf4 { [%eval 5.46] [%clk 0:00:55] } 32. Rxf4 { [%eval 5.0] [%clk 0:58:14] } 32... f6 { [%eval 5.09] [%clk 0:00:51] } 33. Qe2 { [%eval 4.43] [%clk 0:57:27] } 33... Nb2?! { [%eval 7.59] } { Inaccuracy. Nxd6 was best. } { [%clk 0:00:35] } 34. Rdf1 { [%eval 6.78] [%clk 0:54:21] } 34... Re8 { [%eval 7.52] [%clk 0:00:34] } 35. Rh4 { [%eval 7.84] [%clk 0:54:04] } 35... f5 { [%eval 12.46] [%clk 0:00:17] } 36. Rxh7+ { [%eval 11.91] [%clk 0:51:02] } 36... Kxh7 { [%eval 11.77] [%clk 0:00:16] } 37. Qh5+ { [%eval 11.85] [%clk 0:50:55] } 37... Kg8?! { [%eval #7] } { Checkmate is now unavoidable. Qh6 was best. } { [%clk 0:00:12] } 38. Nxf5 { [%eval #6] [%clk 0:50:46] } 38... Bf6 { [%eval #5] [%clk 0:00:05] } 39. Rg1+ { [%eval #4] [%clk 0:50:28] } 1-0