Event: Olomouc Chess Summer - ab
Site: Olomouc, Czech Republic
Date: 2024-08-11
White: Lanc, Alois
WhiteTitle: IM
WhiteElo: 2259
Black: Prokofiev, Valentyn
BlackTitle: FM
BlackElo: 2381
Result: 0-1
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard
TimeControl: 90/40 + 30 min, 30 s/move

1. e4 { [%eval 0.15] [%clk 1:30:18] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. Nf3 { [%eval 0.22] [%clk 1:30:45] } 2... e6 { [%eval 0.28] [%clk 1:31:19] } 3. d4 { [%eval 0.4] [%clk 1:31:12] } 3... cxd4 { [%eval 0.37] [%clk 1:31:46] } 4. Nxd4 { [%eval 0.35] [%clk 1:31:38] } 4... a6 { [%eval 0.37] [%clk 1:32:08] } 5. Nc3 { [%eval 0.28] [%clk 1:32:02] } 5... Qc7 { [%eval 0.35] [%clk 1:32:32] } 6. Be2 { [%eval 0.31] [%clk 1:30:57] } 6... b5 { [%eval 0.36] [%clk 1:32:48] } 7. Bf3 { [%eval -0.07] [%clk 1:30:58] } 7... Bb7 { [%eval 0.2] [%clk 1:32:01] } 8. O-O { [%eval 0.08] [%clk 1:30:38] } 8... Nc6 { [%eval 0.09] [%clk 1:30:38] } 9. Nxc6 { [%eval 0.1] [%clk 1:27:05] } 9... dxc6 { [%eval 0.16] [%clk 1:29:15] } 10. Qe2 { [%eval -0.21] [%clk 1:21:26] } 10... Bd6 { [%eval -0.22] [%clk 1:28:40] } 11. g3 { [%eval -0.22] [%clk 1:19:40] } 11... Be5 { [%eval -0.08] [%clk 1:08:22] } 12. Nd1 { [%eval -0.11] [%clk 0:56:04] } 12... Nf6 { [%eval -0.14] [%clk 1:00:53] } 13. c4 { [%eval -0.47] [%clk 0:46:13] } 13... Nd7 { [%eval -0.23] [%clk 0:57:33] } 14. Be3 { [%eval -0.29] [%clk 0:37:07] } 14... c5 { [%eval -0.19] [%clk 0:53:59] } 15. Bg2 { [%eval -0.25] [%clk 0:34:39] } 15... O-O { [%eval -0.08] [%clk 0:52:35] } 16. Rc1 { [%eval -0.01] [%clk 0:31:29] } 16... Qa5 { [%eval 0.03] [%clk 0:46:16] } 17. b3 { [%eval -0.18] [%clk 0:28:17] } 17... Rfd8 { [%eval -0.05] [%clk 0:43:30] } 18. f4 { [%eval 0.0] [%clk 0:24:53] } 18... Bd4 { [%eval -0.03] [%clk 0:42:21] } 19. Bxd4 { [%eval -0.04] [%clk 0:22:57] } 19... cxd4 { [%eval -0.05] [%clk 0:42:48] } 20. Nf2 { [%eval -0.13] [%clk 0:22:16] } 20... Rac8 { [%eval -0.16] [%clk 0:37:47] } 21. Qb2 { [%eval -0.31] [%clk 0:18:47] } 21... Qb6 { [%eval -0.13] [%clk 0:28:26] } 22. cxb5 { [%eval -0.19] [%clk 0:17:43] } 22... axb5 { [%eval 0.0] [%clk 0:28:10] } 23. Rxc8 { [%eval 0.0] [%clk 0:17:28] } 23... Bxc8 { [%eval 0.0] [%clk 0:26:24] } 24. Rd1 { [%eval -0.18] [%clk 0:16:56] } 24... e5 { [%eval -0.37] [%clk 0:26:16] } 25. Bh3 { [%eval -0.74] [%clk 0:13:54] } 25... f6?! { [%eval 0.0] } { Inaccuracy. Bb7 was best. } { [%clk 0:19:50] } 26. Bxd7?! { [%eval -1.1] } { Inaccuracy. b4 was best. } { [%clk 0:13:07] } 26... Bxd7 { [%eval -1.08] [%clk 0:16:00] } 27. b4?! { [%eval -1.82] } { Inaccuracy. Qd2 was best. } { [%clk 0:08:54] } 27... Be6 { [%eval -1.84] [%clk 0:11:40] } 28. fxe5 { [%eval -2.39] [%clk 0:08:47] } 28... fxe5 { [%eval -2.34] [%clk 0:11:50] } 29. Nd3 { [%eval -2.28] [%clk 0:09:07] } 29... Bc4 { [%eval -2.58] [%clk 0:10:31] } 30. Nxe5 { [%eval -2.36] [%clk 0:08:42] } 30... Qf6 { [%eval -2.48] [%clk 0:10:59] } 31. Ng4 { [%eval -2.75] [%clk 0:05:34] } 31... Qf3 { [%eval -2.71] [%clk 0:10:37] } 32. Nf2 { [%eval -2.8] [%clk 0:05:49] } 32... d3 { [%eval -2.67] [%clk 0:10:31] } 33. Qd2 { [%eval -2.78] [%clk 0:03:59] } 33... Ra8 { [%eval -2.66] [%clk 0:09:48] } 34. Qf4?! { [%eval -3.68] } { Inaccuracy. a3 was best. } { [%clk 0:03:32] } 34... Qe2 { [%eval -4.16] [%clk 0:10:13] } 35. Qg4 { [%eval -4.11] [%clk 0:01:37] } 35... Rf8 { [%eval -4.06] [%clk 0:07:01] } 36. Qxe2 { [%eval -4.05] [%clk 0:00:54] } 36... dxe2 { [%eval -3.98] [%clk 0:07:27] } 37. Re1 { [%eval -4.27] [%clk 0:00:57] } 37... Rf7 { [%eval -4.22] [%clk 0:07:54] } 38. Kg2 { [%eval -4.23] [%clk 0:01:01] } 38... Kf8 { [%eval -4.12] [%clk 0:08:12] } 39. g4 { [%eval -4.21] [%clk 0:00:49] } 39... g5 { [%clk 0:05:48] } 40. Rc1 { [%clk 0:01:11] } 40... Ke7 { [%clk 0:05:42] } 41. Re1 { [%clk 0:29:00] } 41... Kd6 { [%clk 0:33:15] } 42. e5+ { [%clk 0:28:38] } 42... Kxe5 { [%clk 0:31:42] } 43. Nh3 { [%clk 0:27:35] } 43... Rf1 { [%clk 0:32:04] } 44. Nxg5 { [%clk 0:27:27] } 44... Kf4 { [%clk 0:32:05] } 45. Rxf1+ { [%clk 0:26:50] } 45... exf1=Q# { [%clk 0:32:26] } 0-1