Event: Round 5: Chiel Koster - Jakob Weidemann
Date: 2023-07-29
White: Chiel Koster
Black: Jakob Weidemann
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Four Knights Variation, Cobra Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:49] } 2. Nf3 { [%eval 0.0] [%clk 1:31:24] } 2... e6 { [%eval 0.34] [%clk 1:31:09] } 3. d4 { [%eval 0.42] [%clk 1:31:50] } 3... cxd4 { [%eval 0.37] [%clk 1:31:30] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:18] } 4... Nf6 { [%eval 0.4] [%clk 1:31:46] } 5. Nc3 { [%eval 0.33] [%clk 1:32:44] } 5... Nc6 { [%eval 0.43] [%clk 1:32:07] } 6. Ndb5 { [%eval 0.32] [%clk 1:33:11] } 6... Bc5 { [%eval 0.48] [%clk 1:32:25] } 7. Nd6+ { [%eval 0.35] [%clk 1:33:30] } 7... Ke7 { [%eval 0.48] [%clk 1:32:46] } 8. Bf4 { [%eval 0.5] [%clk 1:33:49] } 8... e5 { [%eval 0.55] [%clk 1:33:05] } 9. Nf5+ { [%eval 0.49] [%clk 1:34:16] } 9... Kf8 { [%eval 0.52] [%clk 1:33:24] } 10. Bg5 { [%eval 0.46] [%clk 1:34:42] } 10... d6 { [%eval 0.46] [%clk 1:33:38] } 11. Ne3 { [%eval 0.46] [%clk 1:35:07] } 11... Be6 { [%eval 0.38] [%clk 1:33:30] } 12. Bd3 { [%eval 0.34] [%clk 1:35:04] } 12... h6 { [%eval 0.33] [%clk 1:32:57] } 13. Bxf6 { [%eval 0.36] [%clk 1:35:25] } 13... Qxf6 { [%eval 0.29] [%clk 1:33:15] } 14. O-O { [%eval 0.31] [%clk 1:33:33] } 14... g6 { [%eval 0.33] [%clk 1:33:16] } 15. Ncd5 { [%eval 0.32] [%clk 1:32:43] } 15... Qd8 { [%eval 0.3] [%clk 1:33:09] } 16. Kh1 { [%eval 0.38] [%clk 1:32:11] } 16... Kg7 { [%eval 0.26] [%clk 1:15:48] } 17. c3 { [%eval 0.15] [%clk 1:20:20] } 17... Ne7 { [%eval 0.25] [%clk 0:58:14] } 18. Bc4 { [%eval 0.23] [%clk 0:53:30] } 18... a5 { [%eval 0.61] [%clk 0:35:52] } 19. Qd3 { [%eval 0.46] [%clk 0:44:31] } 19... Rf8 { [%eval 0.52] [%clk 0:32:53] } 20. Rad1 { [%eval 0.21] [%clk 0:42:08] } 20... f5 { [%eval 0.75] [%clk 0:32:27] } 21. f4 { [%eval 0.46] [%clk 0:40:17] } 21... Bxd5 { [%eval 0.52] [%clk 0:24:32] } 22. Nxd5 { [%eval 0.51] [%clk 0:39:49] } 22... Nxd5 { [%eval 0.94] [%clk 0:23:53] } 23. Qxd5 { [%eval 0.95] [%clk 0:39:35] } 23... Qe7 { [%eval 0.9] [%clk 0:22:05] } 24. exf5 { [%eval 0.68] [%clk 0:34:27] } 24... Rxf5 { [%eval 0.49] [%clk 0:21:09] } 25. fxe5 { [%eval 0.6] [%clk 0:34:06] } 25... dxe5 { [%eval 0.74] [%clk 0:20:54] } 26. Rxf5 { [%eval 0.38] [%clk 0:22:13] } 26... gxf5 { [%eval 0.57] [%clk 0:21:16] } 27. g4 { [%eval 0.14] [%clk 0:20:41] } 27... fxg4 { [%eval 0.1] [%clk 0:10:43] } 28. Qe4 { [%eval 0.15] [%clk 0:20:00] } 28... h5?? { [%eval 5.19] } { Blunder. Rf8 was best. } { [%clk 0:05:09] } 29. Qf5?? { [%eval -0.15] } { Blunder. Bd3 was best. } { [%clk 0:17:14] } 29... Rf8 { [%eval 0.0] [%clk 0:03:42] } 30. Qxh5 { [%eval 0.0] [%clk 0:16:18] } 30... Rf4 { [%eval 0.0] [%clk 0:02:12] } 31. Bd3 { [%eval 0.0] [%clk 0:10:33] } 31... Qf6 { [%eval 0.19] [%clk 0:01:29] } 32. Qh7+ { [%eval 0.13] [%clk 0:08:16] } 32... Kf8 { [%eval 0.18] [%clk 0:01:53] } 33. Qxb7 { [%eval 0.29] [%clk 0:07:43] } 33... Bb6?? { [%eval 3.87] } { Blunder. Qd6 was best. } { [%clk 0:00:44] } 34. Bb5 { [%eval 3.95] [%clk 0:06:38] } 34... Kg8?! { [%eval 5.14] } { Inaccuracy. Qh6 was best. } { [%clk 0:00:31] } 35. Qb8+ { [%eval 5.75] [%clk 0:06:33] } 35... Kh7 { [%eval 6.07] [%clk 0:00:41] } 36. Rd7+ { [%eval 5.89] [%clk 0:06:55] } 36... Kh6 { [%eval 5.89] [%clk 0:00:49] } 37. Rd6 { [%eval 5.86] [%clk 0:07:16] } 37... Kg5 { [%eval 7.18] [%clk 0:00:58] } 38. Qg8+ { [%eval 6.56] [%clk 0:06:55] } 38... Kh4 { [%eval 7.11] [%clk 0:01:12] } 39. Qh7+ { [%eval 6.65] [%clk 0:06:58] } 39... Kg5 { [%eval 7.53] [%clk 0:01:35] } 40. Qg8+ { [%eval 7.06] [%clk 0:06:59] } 40... Kh4 { [%eval #12] [%clk 0:01:56] } 41. Rxf6 { [%eval 6.88] [%clk 0:07:23] } 41... Rxf6 { [%eval 8.07] [%clk 0:02:18] } 42. Qh8+ { [%eval 12.62] [%clk 0:07:16] } 42... Kg5 { [%eval 37.2] [%clk 0:02:40] } 43. Qg7+ { [%eval 36.99] [%clk 0:07:40] } 43... Rg6 { [%eval 37.56] [%clk 0:02:52] } 44. Qxe5+ { [%eval 38.2] [%clk 0:07:57] } 44... Kh6 { [%eval 37.45] [%clk 0:02:59] } 45. Bd3 { [%eval 43.21] [%clk 0:08:11] } 1-0