Event: SixDays Budapest September GM C
Site: Budapest
Date: 2024-09-26
White: Gretarsson, Helgi Ass
WhiteTitle: GM
WhiteElo: 2450
Black: Grebennikov, Nikolai A.
BlackElo: 2220
Result: 1/2-1/2
ECO: B38
Opening: Sicilian Defense: Accelerated Dragon, Maróczy Bind
Variant: Standard

1. Nf3 { [%eval 0.17] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:24:48] } 2. c4 { [%eval 0.26] [%clk 1:31:02] } 2... g6 { [%eval 0.4] [%clk 1:25:12] } 3. d4 { [%eval 0.33] [%clk 1:31:02] } 3... cxd4 { [%eval 0.25] [%clk 1:25:24] } 4. Nxd4 { [%eval 0.35] [%clk 1:31:21] } 4... Nc6 { [%eval 0.36] [%clk 1:24:52] } 5. e4 { [%eval 0.41] [%clk 1:23:01] } 5... Bg7 { [%eval 0.39] [%clk 1:24:48] } 6. Be3 { [%eval 0.47] [%clk 1:23:25] } 6... Qb6 { [%eval 0.53] [%clk 1:18:28] } 7. Nb3 { [%eval 0.36] [%clk 1:17:25] } 7... Qc7 { [%eval 0.61] [%clk 1:15:50] } 8. Qd2 { [%eval 0.72] [%clk 1:17:35] } 8... Nf6 { [%eval 0.73] [%clk 1:08:21] } 9. Nc3 { [%eval 0.71] [%clk 1:02:04] } 9... Ng4?! { [%eval 1.38] } { Inaccuracy. O-O was best. } { [%clk 0:58:52] } 10. Bf4 { [%eval 1.28] [%clk 1:02:23] } 10... e5?! { [%eval 2.46] } { Inaccuracy. Qd8 was best. } { [%clk 0:41:03] } 11. Bg3?! { [%eval 1.24] } { Inaccuracy. Nb5 was best. } { [%clk 1:02:32] } 11... O-O { [%eval 1.23] [%clk 0:39:54] } 12. h3 { [%eval 0.87] [%clk 0:56:30] } 12... Bh6 { [%eval 0.97] [%clk 0:36:02] } 13. Qd1 { [%eval 0.89] [%clk 0:56:03] } 13... Nf6 { [%eval 0.87] [%clk 0:36:19] } 14. Bh4 { [%eval 0.7] [%clk 0:56:08] } 14... Ne8 { [%eval 0.88] [%clk 0:34:01] } 15. Nd5 { [%eval 0.99] [%clk 0:43:46] } 15... Qb8 { [%eval 0.83] [%clk 0:34:29] } 16. c5 { [%eval 0.89] [%clk 0:43:36] } 16... d6 { [%eval 0.92] [%clk 0:31:46] } 17. Bb5 { [%eval 0.91] [%clk 0:30:13] } 17... a6? { [%eval 2.13] } { Mistake. Kh8 was best. } { [%clk 0:28:41] } 18. Bxc6 { [%eval 2.14] [%clk 0:22:57] } 18... bxc6 { [%eval 1.97] [%clk 0:28:52] } 19. Nb6 { [%eval 1.95] [%clk 0:23:19] } 19... Ra7 { [%eval 2.4] [%clk 0:21:17] } 20. Nxc8 { [%eval 2.34] [%clk 0:23:41] } 20... Qxc8 { [%eval 2.38] [%clk 0:21:32] } 21. cxd6 { [%eval 2.44] [%clk 0:24:06] } 21... g5 { [%eval 2.46] [%clk 0:09:03] } 22. Nc5?? { [%eval 0.0] } { Blunder. Qh5 was best. } { [%clk 0:23:31] } 22... gxh4 { [%eval 0.0] [%clk 0:07:54] } 23. d7 { [%eval 0.0] [%clk 0:23:46] } 23... Qd8 { [%eval 0.0] [%clk 0:08:02] } 24. dxe8=Q { [%eval 0.0] [%clk 0:23:56] } 24... Qa5+ { [%eval 0.0] [%clk 0:08:17] } 25. Kf1 { [%eval 0.0] [%clk 0:21:53] } 25... Rxe8 { [%eval 0.0] [%clk 0:08:36] } 26. Qg4+ { [%eval 0.0] } 26... Kh8 { [%eval 0.11] [%clk 0:07:43] } 27. Nb3? { [%eval -1.05] } { Mistake. Qxh4 was best. } { [%clk 0:20:07] } 27... Qb5+ { [%eval -0.99] [%clk 0:05:55] } 28. Kg1 { [%eval -1.01] [%clk 0:17:29] } 28... Rg8?! { [%eval -0.14] } { Inaccuracy. Bf4 was best. } { [%clk 0:06:15] } 29. Qxh4 { [%eval -0.12] [%clk 0:16:55] } 29... Rg6 { [%eval 0.05] [%clk 0:06:43] } 30. Qd8+ { [%eval 0.05] [%clk 0:16:06] } 30... Kg7 { [%eval 0.1] [%clk 0:06:45] } 31. Qa5 { [%eval -0.02] [%clk 0:15:22] } 31... Qe2?? { [%eval 1.77] } { Blunder. Rf6 was best. } { [%clk 0:04:47] } 32. Qxe5+ { [%eval 1.73] [%clk 0:12:28] } 32... f6?! { [%eval 2.76] } { Inaccuracy. Rf6 was best. } { [%clk 0:03:58] } 33. Nd4 { [%eval 2.69] [%clk 0:08:16] } 33... Qd3?! { [%eval 3.8] } { Inaccuracy. fxe5 was best. } { [%clk 0:02:07] } 34. Nf5+ { [%eval 3.93] [%clk 0:08:23] } 34... Kf7 { [%eval 3.97] [%clk 0:02:21] } 35. Nd6+ { [%eval 3.75] [%clk 0:03:10] } 35... Kg8 { [%eval 4.1] [%clk 0:01:46] } 36. Qe6+ { [%eval 3.44] [%clk 0:02:48] } 36... Kh8 { [%eval 3.55] [%clk 0:01:53] } 37. Nf5 { [%eval 3.55] [%clk 0:03:12] } 37... Bf4 { [%eval 3.48] [%clk 0:01:39] } 38. Qxc6 { [%eval 2.92] [%clk 0:01:26] } 38... Rd7?! { [%eval 3.87] } { Inaccuracy. Qe2 was best. } { [%clk 0:01:48] } 39. Rf1?! { [%eval 2.74] } { Inaccuracy. g4 was best. } { [%clk 0:01:08] } 39... Rd8 { [%eval 3.33] [%clk 0:01:18] } 40. Nh4 { [%eval 3.33] [%clk 0:01:07] } 40... Rh6 { [%eval 3.24] [%clk 0:01:10] } 41. g3?? { [%eval 0.27] } { Blunder. Nf5 was best. } { [%clk 0:00:53] } 41... Rg8?? { [%eval 2.49] } { Blunder. f5 was best. } { [%clk 0:00:55] } 42. Nf5?? { [%eval 0.0] } { Blunder. Ng2 was best. } { [%clk 0:00:59] } 42... Rhg6?? { [%eval 3.77] } { Blunder. Bxg3 was best. } { [%clk 0:01:05] } 43. Kh2?? { [%eval #-5] } { Checkmate is now unavoidable. Rh2 was best. } { [%clk 0:01:18] } 43... Bxg3+?? { [%eval 0.0] } { Lost forced checkmate sequence. Rxg3 was best. } { [%clk 0:00:40] } 44. Nxg3 { [%eval 0.0] [%clk 0:01:42] } 44... Rxg3 { [%eval 0.0] [%clk 0:01:01] } 45. Qxf6+ { [%eval 0.0] [%clk 0:02:08] } 45... R8g7 { [%eval 0.0] [%clk 0:01:10] } 46. Qf8+ { [%eval 0.0] [%clk 0:01:40] } 46... Rg8 { [%eval 0.0] [%clk 0:01:35] } 47. Qf6+ { [%eval 0.0] [%clk 0:02:06] } 47... R8g7 { [%eval 0.0] [%clk 0:01:34] } 48. Qf8+ { [%eval 0.0] [%clk 0:02:13] } 48... Rg8 { [%eval 0.0] [%clk 0:01:59] } 49. Qf6+ { [%eval 0.0] [%clk 0:02:39] } 49... R8g7 { [%eval 0.0] [%clk 0:02:24] } 50. Qf8+ { [%eval 0.0] [%clk 0:02:57] } 50... Rg8 { [%eval 0.0] [%clk 0:02:46] } 51. Qf6+ { [%eval 0.0] [%clk 0:03:20] } 1/2-1/2