Event: FIDE Grand Swiss 2023
Site: Villa Marina, Douglas, Isle of Man, Isle Of Man
Date: 2023-11-02
White: Cheparinov, Ivan
WhiteTitle: GM
WhiteElo: 2658
Black: Duda, Jan-Krzysztof
BlackTitle: GM
BlackElo: 2726
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 40/90 + 30 + 30s/move

1. e4 { [%eval 0.36] [%clk 1:40:56] } 1... c5 { [%eval 0.32] [%clk 1:40:56] } 2. Nf3 { [%eval 0.0] [%clk 1:41:22] } 2... d6 { [%eval 0.0] [%clk 1:41:21] } 3. d4 { [%eval 0.25] [%clk 1:41:43] } 3... cxd4 { [%eval 0.13] [%clk 1:41:47] } 4. Nxd4 { [%eval 0.27] [%clk 1:42:09] } 4... Nf6 { [%eval 0.3] [%clk 1:42:11] } 5. Nc3 { [%eval 0.21] [%clk 1:42:35] } 5... a6 { [%eval 0.39] [%clk 1:42:36] } 6. Be3 { [%eval 0.12] [%clk 1:42:24] } 6... e5 { [%eval 0.31] [%clk 1:42:59] } 7. Nb3 { [%eval 0.25] [%clk 1:42:48] } 7... Be6 { [%eval 0.11] [%clk 1:43:24] } 8. f3 { [%eval 0.37] [%clk 1:43:13] } 8... h5 { [%eval 0.29] [%clk 1:43:48] } 9. Qd2 { [%eval 0.31] [%clk 1:42:30] } 9... Nbd7 { [%eval 0.29] [%clk 1:44:10] } 10. Nd5 { [%eval 0.4] [%clk 1:42:45] } 10... Bxd5 { [%eval 0.31] [%clk 1:41:02] } 11. exd5 { [%eval 0.3] [%clk 1:43:08] } 11... g6 { [%eval 0.5] [%clk 1:41:26] } 12. O-O-O { [%eval 0.42] [%clk 1:43:26] } 12... Nb6 { [%eval 0.38] [%clk 1:41:19] } 13. Kb1 { [%eval 0.24] [%clk 1:43:22] } 13... Nbxd5 { [%eval 0.25] [%clk 1:38:05] } 14. Bg5 { [%eval 0.28] [%clk 1:43:37] } 14... Be7 { [%eval 0.33] [%clk 1:38:23] } 15. Bd3 { [%eval 0.33] [%clk 1:43:43] } 15... Qc7 { [%eval 0.29] [%clk 1:37:28] } 16. Rhe1 { [%eval 0.21] [%clk 1:42:21] } 16... O-O-O { [%eval 0.39] [%clk 1:22:00] } 17. c4 { [%eval 0.36] [%clk 1:41:07] } 17... Nb6?! { [%eval 0.92] } { Inaccuracy. Nf4 was best. } { [%clk 1:20:19] } 18. c5 { [%eval 0.81] [%clk 1:39:34] } 18... Nbd7? { [%eval 2.31] } { Mistake. dxc5 was best. } { [%clk 0:53:29] } 19. Bxg6? { [%eval 1.03] } { Mistake. c6 was best. } { [%clk 1:14:59] } 19... dxc5 { [%eval 1.14] [%clk 0:53:01] } 20. Bxf7 { [%eval 1.52] [%clk 1:14:31] } 20... Kb8 { [%eval 1.21] [%clk 0:52:39] } 21. Qe2 { [%eval 0.95] [%clk 1:09:49] } 21... Rh7?! { [%eval 1.88] } { Inaccuracy. e4 was best. } { [%clk 0:39:38] } 22. Be6 { [%eval 2.02] [%clk 1:08:37] } 22... h4 { [%eval 2.03] [%clk 0:31:23] } 23. f4 { [%eval 2.32] [%clk 0:59:08] } 23... Nh5 { [%eval 2.75] [%clk 0:12:37] } 24. Bf5?! { [%eval 1.64] } { Inaccuracy. Qc2 was best. } { [%clk 0:25:58] } 24... Bxg5 { [%eval 1.39] [%clk 0:12:27] } 25. Bxh7 { [%eval 1.51] [%clk 0:24:47] } 25... Nxf4 { [%eval 1.65] [%clk 0:12:51] } 26. Qg4 { [%eval 1.54] [%clk 0:25:05] } 26... Bf6?! { [%eval 2.75] } { Inaccuracy. Be7 was best. } { [%clk 0:06:54] } 27. Bf5?! { [%eval 1.99] } { Inaccuracy. g3 was best. } { [%clk 0:22:33] } 27... c4 { [%eval 2.04] [%clk 0:06:41] } 28. Rxd7 { [%eval 2.42] [%clk 0:21:42] } 28... Rxd7 { [%eval 1.61] [%clk 0:07:05] } 29. Bxd7 { [%eval 1.94] [%clk 0:22:07] } 29... cxb3 { [%eval 1.84] [%clk 0:06:33] } 30. axb3 { [%eval 2.51] [%clk 0:22:17] } 30... e4 { [%eval 2.92] [%clk 0:06:03] } 31. Rf1 { [%eval 2.95] [%clk 0:08:40] } 31... Be5 { [%eval 3.0] [%clk 0:04:49] } 32. g3 { [%eval 2.89] [%clk 0:08:49] } 32... hxg3 { [%eval 2.93] [%clk 0:03:33] } 33. hxg3 { [%eval 2.99] [%clk 0:09:18] } 33... Nd3 { [%eval 2.94] [%clk 0:02:42] } 34. Qxe4?! { [%eval 1.66] } { Inaccuracy. Bf5 was best. } { [%clk 0:06:29] } 34... Nc5 { [%eval 1.48] [%clk 0:02:16] } 35. Qd5?! { [%eval 0.53] } { Inaccuracy. Rf8+ was best. } { [%clk 0:02:42] } 35... Nxd7 { [%eval 0.87] [%clk 0:01:34] } 36. Rf7 { [%eval 0.54] [%clk 0:03:08] } 36... Nb6 { [%eval 0.62] [%clk 0:01:13] } 37. Qf3 { [%eval 0.19] [%clk 0:00:46] } 37... Qc6 { [%eval 0.21] [%clk 0:00:38] } 38. Qxc6 { [%eval 0.2] [%clk 0:01:12] } 38... bxc6 { [%eval 0.26] [%clk 0:01:03] } 39. g4 { [%eval 0.22] [%clk 0:01:39] } 39... Nd5 { [%eval 0.23] [%clk 0:00:36] } 40. g5 { [%eval 0.32] [%clk 0:02:05] } 40... Nf4 { [%eval 0.19] [%clk 0:00:56] } 41. Re7 { [%eval 0.24] [%clk 0:50:08] } 41... Bc7 { [%eval 0.27] [%clk 0:47:04] } 42. Rg7 { [%eval 0.28] [%clk 0:41:53] } 42... Be5 { [%eval 0.22] [%clk 0:46:42] } 43. Re7 { [%eval 0.27] [%clk 0:38:29] } 43... Bc7 { [%eval 0.27] [%clk 0:46:58] } 44. Re8+ { [%eval 0.24] [%clk 0:35:32] } 44... Kb7 { [%eval 0.19] [%clk 0:45:13] } 45. Kc2 { [%eval 0.21] [%clk 0:35:26] } 45... Bd6 { [%eval 0.39] [%clk 0:41:17] } 46. g6 { [%eval 0.38] [%clk 0:35:00] } 46... Nxg6 { [%eval 0.35] [%clk 0:40:22] } 47. Re6 { [%eval 0.56] [%clk 0:35:24] } 47... Bb4 { [%eval 0.34] [%clk 0:37:28] } 48. Rxg6 { [%eval 0.3] [%clk 0:35:49] } 48... Kc7 { [%eval 0.37] [%clk 0:37:52] } 49. Kd3 { [%eval 0.53] [%clk 0:35:23] } 49... Kd7?? { [%eval 4.52] } { Blunder. Bc5 was best. } { [%clk 0:36:26] } 50. Rg4 { [%eval 5.17] [%clk 0:29:10] } 1-0