Event: Top 16 2023-1
Date: 2023-06-04
White: Nils Grandelius
WhiteTitle: GM
Black: Andrei Shchekachev
BlackTitle: GM
Result: 1-0
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:44] } 1... c5 { [%eval 0.32] [%clk 1:30:37] } 2. Nf3 { [%eval 0.0] [%clk 1:30:59] } 2... e6 { [%eval 0.34] [%clk 1:30:53] } 3. d4 { [%eval 0.42] [%clk 1:30:47] } 3... cxd4 { [%eval 0.37] [%clk 1:31:08] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:12] } 4... a6 { [%eval 0.58] [%clk 1:31:23] } 5. Bd3 { [%eval 0.42] [%clk 1:29:20] } 5... Bc5 { [%eval 0.52] [%clk 1:29:49] } 6. Nb3 { [%eval 0.52] [%clk 1:29:21] } 6... Ba7 { [%eval 0.63] [%clk 1:30:02] } 7. Qe2 { [%eval 0.49] [%clk 1:23:13] } 7... Ne7 { [%eval 0.49] [%clk 1:27:50] } 8. Be3 { [%eval 0.51] [%clk 1:20:49] } 8... O-O { [%eval 0.49] [%clk 1:26:13] } 9. Bxa7 { [%eval 0.46] [%clk 1:14:41] } 9... Rxa7 { [%eval 0.47] [%clk 1:26:25] } 10. Nc3 { [%eval 0.32] [%clk 1:07:33] } 10... Nbc6 { [%eval 0.44] [%clk 1:22:34] } 11. f4 { [%eval 0.37] [%clk 1:01:06] } 11... d6 { [%eval 0.47] [%clk 1:03:38] } 12. O-O-O { [%eval 0.47] [%clk 0:53:29] } 12... Qc7 { [%eval 0.69] [%clk 0:51:07] } 13. Qh5 { [%eval 0.7] [%clk 0:46:57] } 13... Nb4 { [%eval 0.77] [%clk 0:34:26] } 14. Kb1 { [%eval 0.68] [%clk 0:35:59] } 14... b5 { [%eval 0.76] [%clk 0:32:38] } 15. a3 { [%eval 0.66] [%clk 0:35:20] } 15... Nxd3 { [%eval 0.68] [%clk 0:32:32] } 16. Rxd3 { [%eval 0.99] [%clk 0:35:48] } 16... Ng6?? { [%eval 2.94] } { Blunder. f5 was best. } { [%clk 0:20:38] } 17. g3? { [%eval 1.25] } { Mistake. f5 was best. } { [%clk 0:33:15] } 17... Rb7 { [%eval 1.53] [%clk 0:17:33] } 18. Rhd1 { [%eval 1.39] [%clk 0:33:38] } 18... Rb6 { [%eval 1.53] [%clk 0:17:38] } 19. R1d2 { [%eval 1.34] [%clk 0:24:58] } 19... Bb7 { [%eval 1.17] [%clk 0:15:50] } 20. Qd1 { [%eval 1.21] [%clk 0:25:24] } 20... Rd8 { [%eval 1.56] [%clk 0:15:20] } 21. h4?! { [%eval 0.79] } { Inaccuracy. e5 was best. } { [%clk 0:23:14] } 21... Ne7 { [%eval 0.95] [%clk 0:14:53] } 22. h5 { [%eval 0.58] [%clk 0:23:26] } 22... h6 { [%eval 0.87] [%clk 0:15:00] } 23. g4?! { [%eval 0.29] } { Inaccuracy. e5 was best. } { [%clk 0:20:40] } 23... b4 { [%eval 0.28] [%clk 0:10:30] } 24. axb4 { [%eval 0.34] [%clk 0:17:36] } 24... Rxb4 { [%eval 0.44] [%clk 0:10:58] } 25. Qe2?! { [%eval -0.18] } { Inaccuracy. Rd4 was best. } { [%clk 0:08:32] } 25... a5 { [%eval -0.41] [%clk 0:08:16] } 26. Rd4 { [%eval -0.2] [%clk 0:08:47] } 26... Qb6 { [%eval 0.32] [%clk 0:06:23] } 27. Na4 { [%eval -0.2] [%clk 0:05:08] } 27... Qc6 { [%eval 0.17] [%clk 0:03:36] } 28. Nac5 { [%eval 0.05] [%clk 0:03:50] } 28... Ba8 { [%eval 0.0] [%clk 0:02:22] } 29. Rxb4 { [%eval 0.0] [%clk 0:03:07] } 29... axb4 { [%eval 0.0] [%clk 0:02:50] } 30. Rd4 { [%eval -0.1] [%clk 0:03:22] } 30... Rc8 { [%eval 0.16] [%clk 0:01:03] } 31. Nd3 { [%eval 0.17] [%clk 0:03:20] } 31... Qa6?! { [%eval 0.73] } { Inaccuracy. Qb6 was best. } { [%clk 0:00:48] } 32. Qe1 { [%eval 0.91] [%clk 0:02:59] } 32... d5 { [%eval 0.63] [%clk 0:00:41] } 33. Nxb4 { [%eval 0.82] [%clk 0:03:25] } 33... Qa7 { [%eval 0.7] [%clk 0:00:55] } 34. e5 { [%eval 0.41] [%clk 0:02:58] } 34... Bb7?! { [%eval 1.0] } { Inaccuracy. Bc6 was best. } { [%clk 0:00:45] } 35. Qe3 { [%eval 0.76] [%clk 0:01:26] } 35... Qb6 { [%eval 0.52] [%clk 0:00:43] } 36. Qd2 { [%eval 0.35] [%clk 0:00:42] } 36... Ba6 { [%eval 0.31] [%clk 0:00:43] } 37. Nxa6 { [%eval 0.1] [%clk 0:00:39] } 37... Qxa6 { [%eval 0.07] [%clk 0:01:11] } 38. Qd3 { [%eval 0.03] [%clk 0:00:39] } 38... Qb6 { [%eval 0.04] [%clk 0:01:07] } 39. Qf1 { [%eval -0.28] [%clk 0:00:34] } 39... Nc6?! { [%eval 0.47] } { Inaccuracy. Ra8 was best. } { [%clk 0:00:45] } 40. Ra4 { [%eval 0.41] [%clk 0:00:37] } 40... Nb4 { [%eval 0.8] } 41. c3 { [%eval 0.91] [%clk 0:27:56] } 41... Nc6 { [%eval 1.0] [%clk 0:30:26] } 42. Qa6 { [%eval 0.86] [%clk 0:26:38] } 42... Qg1+? { [%eval 2.52] } { Mistake. Qc7 was best. } { [%clk 0:22:17] } 43. Ka2 { [%eval 2.77] [%clk 0:24:19] } 43... Rc7 { [%eval 2.73] [%clk 0:21:59] } 44. Qb5 { [%eval 2.76] [%clk 0:21:33] } 44... Kh7 { [%eval 2.77] [%clk 0:10:24] } 45. Ra6 { [%eval 3.0] [%clk 0:17:48] } 45... Ne7 { [%eval 3.15] [%clk 0:06:53] } 46. Qb8?! { [%eval 1.84] } { Inaccuracy. Nd4 was best. } { [%clk 0:13:03] } 46... Qf1 { [%eval 1.72] [%clk 0:05:22] } 47. Ra7 { [%eval 1.64] [%clk 0:08:43] } 47... Rxa7+ { [%eval 1.93] [%clk 0:03:41] } 48. Qxa7 { [%eval 1.73] [%clk 0:09:12] } 48... Nc8? { [%eval 3.1] } { Mistake. Ng8 was best. } { [%clk 0:02:02] } 49. Qb7 { [%eval 2.98] [%clk 0:05:33] } 49... Qxf4 { [%eval 3.67] [%clk 0:00:35] } 50. Nd4 { [%eval 3.63] [%clk 0:05:09] } 50... Qxg4 { [%eval 3.68] [%clk 0:01:00] } 51. Qxf7 { [%eval 4.58] [%clk 0:02:39] } 51... Qd1?? { [%eval #8] } { Checkmate is now unavoidable. Nb6 was best. } { [%clk 0:01:16] } 52. Qg6+ { [%eval #26] [%clk 0:02:17] } 52... Kh8 { [%eval #7] [%clk 0:01:45] } 53. Qe8+ { [%eval #6] [%clk 0:02:41] } 53... Kh7 { [%eval #6] [%clk 0:02:14] } 54. Nxe6 { [%eval #5] [%clk 0:02:53] } 1-0