Event: WSTC
Site: Aktau, Kazakhstan
Date: 2023-08-06
White: Derksen, Vadim
WhiteElo: 1442
Black: Stasik, Marceli
BlackElo: 1088
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Pin Variation
Variant: Standard
TimeControl: 45 + 10

1. e4 { [%eval 0.36] [%clk 0:45:17] } 1... c5 { [%eval 0.32] [%clk 0:45:17] } 2. Nf3 { [%eval 0.0] [%clk 0:45:25] } 2... e6 { [%eval 0.34] [%clk 0:45:25] } 3. d4 { [%eval 0.42] [%clk 0:45:33] } 3... cxd4 { [%eval 0.37] [%clk 0:45:33] } 4. Nxd4 { [%eval 0.4] [%clk 0:45:41] } 4... Nf6 { [%eval 0.4] [%clk 0:45:39] } 5. Nc3 { [%eval 0.45] [%clk 0:45:49] } 5... Bb4 { [%eval 0.48] [%clk 0:45:44] } 6. Bd3 { [%eval 0.0] [%clk 0:37:57] } 6... Nc6?! { [%eval 0.7] } { Inaccuracy. d6 was best. } { [%clk 0:45:39] } 7. Nxc6 { [%eval 0.58] [%clk 0:38:01] } 7... bxc6 { [%eval 0.93] [%clk 0:45:35] } 8. e5 { [%eval 0.92] [%clk 0:36:45] } 8... Nd5 { [%eval 1.04] [%clk 0:45:27] } 9. Bd2 { [%eval 0.6] [%clk 0:36:53] } 9... Nxc3 { [%eval 0.94] [%clk 0:45:18] } 10. bxc3 { [%eval 1.03] [%clk 0:36:41] } 10... Bc5 { [%eval 1.21] [%clk 0:43:30] } 11. Qg4 { [%eval 1.22] [%clk 0:36:16] } 11... g6 { [%eval 1.0] [%clk 0:37:54] } 12. O-O { [%eval 1.15] [%clk 0:28:21] } 12... Bf8 { [%eval 1.53] [%clk 0:30:06] } 13. Bg5 { [%eval 1.52] [%clk 0:26:57] } 13... Be7 { [%eval 1.48] [%clk 0:29:42] } 14. f4?! { [%eval 0.87] } { Inaccuracy. Bh6 was best. } { [%clk 0:26:19] } 14... h6 { [%eval 0.83] } 15. Bxe7 { [%eval 0.78] [%clk 0:26:24] } 15... Qxe7 { [%eval 0.82] [%clk 0:28:11] } 16. Kh1 { [%eval 0.57] [%clk 0:26:13] } 16... Bb7?! { [%eval 1.28] } { Inaccuracy. h5 was best. } { [%clk 0:26:02] } 17. Rab1 { [%eval 1.52] [%clk 0:26:09] } 17... O-O-O { [%eval 1.71] [%clk 0:24:27] } 18. Rb3?! { [%eval 1.12] } { Inaccuracy. Qe2 was best. } { [%clk 0:25:11] } 18... Kc7 { [%eval 1.1] [%clk 0:23:39] } 19. Rfb1 { [%eval 1.39] [%clk 0:20:31] } 19... Rb8 { [%eval 1.43] [%clk 0:23:42] } 20. Qf3?! { [%eval 0.7] } { Inaccuracy. Qd1 was best. } { [%clk 0:20:33] } 20... Qc5 { [%eval 0.68] [%clk 0:23:19] } 21. Qe4 { [%eval 0.48] [%clk 0:20:14] } 21... Ba8 { [%eval 0.47] [%clk 0:17:50] } 22. Rxb8 { [%eval 0.0] [%clk 0:20:19] } 22... Rxb8 { [%eval 0.16] [%clk 0:17:56] } 23. Rxb8 { [%eval 0.0] [%clk 0:20:25] } 23... Kxb8 { [%eval 0.0] [%clk 0:17:56] } 24. Qb4+ { [%eval 0.36] [%clk 0:20:33] } 24... Qxb4 { [%eval 0.22] [%clk 0:18:01] } 25. cxb4 { [%eval 0.32] [%clk 0:20:41] } 25... Kc7 { [%eval 0.42] [%clk 0:17:55] } 26. c4 { [%eval 0.0] [%clk 0:20:38] } 26... c5 { [%eval -0.03] [%clk 0:14:06] } 27. a3 { [%eval 0.0] [%clk 0:19:52] } 27... d5 { [%eval 0.0] [%clk 0:12:43] } 28. exd6+ { [%eval 0.0] [%clk 0:14:54] } 28... Kxd6 { [%eval -0.05] [%clk 0:12:50] } 29. Kg1 { [%eval 0.0] [%clk 0:15:00] } 29... g5 { [%eval 0.0] [%clk 0:11:11] } 30. g3 { [%eval -0.09] [%clk 0:14:19] } 30... gxf4 { [%eval -0.12] [%clk 0:11:09] } 31. gxf4 { [%eval -0.21] [%clk 0:14:29] } 31... cxb4 { [%eval 0.16] [%clk 0:10:53] } 32. axb4 { [%eval 0.15] [%clk 0:14:29] } 32... e5 { [%eval 0.16] [%clk 0:10:14] } 33. fxe5+ { [%eval 0.04] [%clk 0:11:21] } 33... Kxe5 { [%eval 0.04] [%clk 0:10:23] } 34. Kf2 { [%eval -0.04] [%clk 0:11:31] } 34... Kd4 { [%eval -0.05] [%clk 0:10:11] } 35. Be2 { [%eval -0.1] [%clk 0:10:32] } 35... f5 { [%eval 0.22] [%clk 0:07:39] } 36. c5 { [%eval 0.07] [%clk 0:10:33] } 36... Bb7 { [%eval 0.07] [%clk 0:06:11] } 37. Bf3 { [%eval 0.0] [%clk 0:10:23] } 37... Bc8 { [%eval 0.0] [%clk 0:05:43] } 38. Kg3 { [%eval 0.0] [%clk 0:10:08] } 38... Kc4 { [%eval 0.0] [%clk 0:05:36] } 39. Kh4?? { [%eval -5.03] } { Blunder. Ba8 was best. } { [%clk 0:09:51] } 39... Kxb4 { [%eval -4.98] [%clk 0:05:44] } 40. c6 { [%eval -5.37] [%clk 0:10:00] } 40... a5 { [%eval -5.56] [%clk 0:05:47] } 41. Kh5 { [%eval -5.65] [%clk 0:10:08] } 41... a4 { [%eval -5.74] [%clk 0:05:38] } 42. Kxh6 { [%eval -5.77] [%clk 0:10:17] } 42... a3 { [%eval -6.2] [%clk 0:05:24] } 43. Bd5 { [%eval -6.27] [%clk 0:10:22] } 43... Kc5 { [%eval -6.6] [%clk 0:05:28] } 44. Ba2 { [%eval -6.25] [%clk 0:10:18] } 44... Kxc6?! { [%eval -4.69] } { Inaccuracy. f4 was best. } { [%clk 0:05:37] } 45. Kg5 { [%eval -4.94] [%clk 0:10:23] } 45... Kd6 { [%eval -5.17] [%clk 0:05:43] } 46. h4?! { [%eval -8.04] } { Inaccuracy. Kf4 was best. } { [%clk 0:10:27] } 46... Be6 { [%eval -9.3] [%clk 0:05:29] } 47. Bb1 { [%eval -13.08] [%clk 0:10:35] } 47... Ke5 { [%eval -61.47] [%clk 0:03:40] } 48. h5 { [%eval -35.17] [%clk 0:10:38] } 48... a2 { [%eval -61.02] [%clk 0:02:07] } 49. Bxa2 { [%eval -35.17] [%clk 0:10:47] } 49... Bxa2 { [%eval -34.07] [%clk 0:02:14] } 50. h6 { [%eval -35.17] [%clk 0:10:56] } 50... Bg8 { [%eval -34.55] [%clk 0:02:21] } 51. Kg6 { [%eval #-33] [%clk 0:11:02] } 51... f4?? { [%eval 0.0] } { Lost forced checkmate sequence. Kf4 was best. } { [%clk 0:02:25] } 52. Kg7 { [%eval 0.0] [%clk 0:11:11] } 52... f3 { [%eval 0.0] [%clk 0:02:33] } 53. Kxg8 { [%eval 0.0] [%clk 0:11:18] } 53... f2 { [%eval 0.0] [%clk 0:02:41] } 54. h7 { [%eval 0.0] [%clk 0:11:26] } 54... f1=Q { [%eval 0.0] [%clk 0:02:47] } 1/2-1/2