Event: Chessengland.com Grandmasters Festival - GM Group B
Site: Mindsports Centre, Hammersmith, United Kingdom
Date: 2023-12-06
White: Derakhshani, Borna
WhiteTitle: FM
WhiteElo: 2380
Black: Olsen, Filip Boe
BlackTitle: IM
BlackElo: 2423
Result: 0-1
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard
TimeControl: G: 90 min + 30 seconds added per move

1. e4 { [%eval 0.36] [%clk 1:30:37] } 1... c5 { [%eval 0.33] [%clk 1:30:51] } 2. Nf3 { [%eval 0.0] [%clk 1:31:03] } 2... d6 { [%eval 0.0] [%clk 1:31:10] } 3. d4 { [%eval 0.25] [%clk 1:31:29] } 3... cxd4 { [%eval 0.13] [%clk 1:31:24] } 4. Nxd4 { [%eval 0.27] [%clk 1:31:55] } 4... Nf6 { [%eval 0.3] [%clk 1:31:41] } 5. Nc3 { [%eval 0.21] [%clk 1:32:22] } 5... a6 { [%eval 0.24] [%clk 1:31:56] } 6. Be2 { [%eval 0.07] [%clk 1:32:36] } 6... e5 { [%eval 0.13] [%clk 1:32:17] } 7. Nb3 { [%eval 0.0] [%clk 1:33:02] } 7... Be7 { [%eval 0.22] [%clk 1:32:25] } 8. Be3 { [%eval 0.18] [%clk 1:33:20] } 8... Be6 { [%eval 0.21] [%clk 1:32:45] } 9. Nd5 { [%eval 0.2] [%clk 1:33:33] } 9... Nbd7 { [%eval 0.23] [%clk 1:32:37] } 10. Qd3 { [%eval 0.25] [%clk 1:33:45] } 10... Bxd5 { [%eval 0.2] [%clk 1:32:23] } 11. exd5 { [%eval 0.16] [%clk 1:33:25] } 11... O-O { [%eval 0.65] [%clk 1:32:42] } 12. O-O { [%eval 0.2] } 12... h5 { [%eval 0.17] [%clk 1:32:40] } 13. a4 { [%eval 0.35] [%clk 1:29:02] } 13... Ng4 { [%eval 0.38] [%clk 1:32:26] } 14. Bc1 { [%eval 0.35] [%clk 1:27:19] } 14... Bg5 { [%eval 0.41] [%clk 1:32:22] } 15. h3 { [%eval 0.36] [%clk 1:27:31] } 15... Bxc1 { [%eval 0.33] [%clk 1:32:26] } 16. Rfxc1 { [%eval 0.31] [%clk 1:27:58] } 16... Ngf6 { [%eval 0.34] [%clk 1:32:08] } 17. a5 { [%eval 0.32] [%clk 1:28:18] } 17... g6 { [%eval 0.61] [%clk 1:30:41] } 18. c4?! { [%eval -0.06] } { Inaccuracy. Nd2 was best. } { [%clk 1:22:20] } 18... Rc8?! { [%eval 0.89] } { Inaccuracy. b6 was best. } { [%clk 1:25:23] } 19. Nd2 { [%eval 0.77] [%clk 1:22:20] } 19... Nh7 { [%eval 0.93] [%clk 1:16:10] } 20. Qa3 { [%eval 0.97] [%clk 1:15:46] } 20... Qe7 { [%eval 0.94] [%clk 1:06:43] } 21. Ne4 { [%eval 1.07] [%clk 1:08:20] } 21... Nc5 { [%eval 1.14] [%clk 1:06:14] } 22. Nc3?! { [%eval 0.12] } { Inaccuracy. Nxc5 was best. } { [%clk 1:08:47] } 22... e4 { [%eval 0.42] [%clk 0:52:28] } 23. b4 { [%eval 0.19] [%clk 1:06:46] } 23... Nd7 { [%eval 0.52] [%clk 0:52:07] } 24. Na4 { [%eval 0.56] [%clk 1:06:05] } 24... f5 { [%eval 0.81] [%clk 0:48:27] } 25. c5 { [%eval 0.63] [%clk 1:04:32] } 25... f4 { [%eval 0.57] [%clk 0:45:39] } 26. c6 { [%eval 0.59] [%clk 0:59:24] } 26... Ne5 { [%eval 0.48] [%clk 0:44:58] } 27. Nb6 { [%eval 0.58] [%clk 0:59:25] } 27... Rc7 { [%eval 0.5] [%clk 0:36:34] } 28. cxb7 { [%eval 0.66] [%clk 0:59:13] } 28... Rxb7 { [%eval 0.47] [%clk 0:33:30] } 29. Bxa6 { [%eval 0.53] [%clk 0:52:31] } 29... f3?! { [%eval 1.11] } { Inaccuracy. Rbb8 was best. } { [%clk 0:30:10] } 30. Qe3?? { [%eval -1.58] } { Blunder. Bxb7 was best. } { [%clk 0:31:22] } 30... fxg2 { [%eval -1.48] [%clk 0:25:46] } 31. Bxb7 { [%eval -1.87] [%clk 0:27:04] } 31... Rf3 { [%eval -2.2] [%clk 0:15:29] } 32. Qh6?? { [%eval -5.25] } { Blunder. a6 was best. } { [%clk 0:21:19] } 32... Qh4 { [%eval -5.78] [%clk 0:14:28] } 33. Rc8+ { [%eval -5.25] [%clk 0:12:44] } 33... Nf8 { [%eval -6.24] [%clk 0:14:49] } 34. Rxf8+ { [%eval -5.38] [%clk 0:12:31] } 34... Rxf8 { [%eval -5.35] [%clk 0:15:16] } 35. Qxf8+ { [%eval -6.22] [%clk 0:12:15] } 35... Kxf8 { [%eval -6.62] [%clk 0:15:43] } 36. Kxg2 { [%eval -7.27] [%clk 0:12:35] } 36... Nd3 { [%eval -6.6] [%clk 0:15:22] } 37. Ra2?! { [%eval -11.14] } { Inaccuracy. Ba6 was best. } { [%clk 0:10:58] } 37... Qg5+ { [%eval #-9] [%clk 0:14:11] } 38. Kf1 { [%eval #-4] [%clk 0:11:20] } 38... Qc1+ { [%eval #-3] [%clk 0:14:34] } 39. Kg2 { [%eval #-3] [%clk 0:11:44] } 39... Ne1+ { [%eval #-2] [%clk 0:14:15] } 0-1