Event: Round 7: Chiel Koster - Tjark Vos
Date: 2023-08-01
White: Chiel Koster
Black: Tjark Vos
Result: 0-1
ECO: C24
Opening: Bishop's Opening: Berlin Defense
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... e5 { [%eval 0.35] [%clk 1:30:07] } 2. Bc4 { [%eval 0.0] [%clk 1:30:39] } 2... Nf6 { [%eval 0.0] [%clk 1:30:24] } 3. d3 { [%eval 0.0] [%clk 1:31:02] } 3... c6 { [%eval 0.0] [%clk 1:29:56] } 4. Nc3 { [%eval -0.33] [%clk 1:30:55] } 4... d5 { [%eval -0.43] [%clk 1:27:43] } 5. Bb3 { [%eval -0.4] [%clk 1:30:45] } 5... Bb4 { [%eval -0.12] [%clk 1:27:54] } 6. Bd2 { [%eval -0.27] [%clk 1:30:59] } 6... O-O { [%eval -0.25] [%clk 1:27:40] } 7. Nf3 { [%eval -0.17] [%clk 1:30:03] } 7... Re8 { [%eval 0.06] [%clk 1:26:31] } 8. h3 { [%eval -0.3] [%clk 1:28:39] } 8... Na6 { [%eval -0.22] [%clk 1:21:53] } 9. exd5 { [%eval -0.01] [%clk 1:25:45] } 9... cxd5 { [%eval -0.11] [%clk 1:21:52] } 10. a3 { [%eval -0.46] [%clk 1:23:00] } 10... Bxc3 { [%eval -0.49] [%clk 0:54:53] } 11. bxc3 { [%eval -0.67] [%clk 1:20:44] } 11... h6 { [%eval -0.26] [%clk 0:48:34] } 12. O-O { [%eval -0.38] [%clk 1:20:30] } 12... Bf5 { [%eval -0.08] [%clk 0:47:38] } 13. Re1 { [%eval -0.07] [%clk 1:18:40] } 13... Qc7 { [%eval 0.01] [%clk 0:46:56] } 14. d4 { [%eval -0.12] [%clk 1:17:40] } 14... e4 { [%eval -0.04] [%clk 0:44:09] } 15. Ne5 { [%eval -0.2] [%clk 1:17:22] } 15... Nc5 { [%eval -0.06] [%clk 0:36:59] } 16. Ba2 { [%eval -0.53] [%clk 1:07:45] } 16... Ncd7 { [%eval -0.37] [%clk 0:33:56] } 17. Nxd7? { [%eval -1.51] } { Mistake. Bf4 was best. } { [%clk 1:07:20] } 17... Bxd7 { [%eval -1.36] [%clk 0:33:23] } 18. Rb1 { [%eval -1.75] [%clk 1:06:15] } 18... b5 { [%eval -1.46] [%clk 0:31:32] } 19. Re3?! { [%eval -2.37] } { Inaccuracy. a4 was best. } { [%clk 1:03:55] } 19... Kh7?! { [%eval -1.51] } { Inaccuracy. Rab8 was best. } { [%clk 0:30:42] } 20. Qe2?! { [%eval -2.17] } { Inaccuracy. a4 was best. } { [%clk 0:59:38] } 20... Rac8 { [%eval -2.22] [%clk 0:28:18] } 21. Kh1 { [%eval -2.52] [%clk 0:56:52] } 21... Re6 { [%eval -2.36] [%clk 0:26:24] } 22. g4 { [%eval -2.89] [%clk 0:55:42] } 22... Ra6?! { [%eval -2.11] } { Inaccuracy. Qd6 was best. } { [%clk 0:26:28] } 23. g5 { [%eval -2.59] [%clk 0:53:19] } 23... hxg5 { [%eval -2.11] [%clk 0:25:10] } 24. Rg3 { [%eval -2.39] [%clk 0:52:45] } 24... e3 { [%eval -2.51] [%clk 0:18:00] } 25. Rxe3 { [%eval -2.77] [%clk 0:49:18] } 25... Rxa3?! { [%eval -1.69] } { Inaccuracy. Rh8 was best. } { [%clk 0:14:40] } 26. Bb3 { [%eval -1.78] [%clk 0:49:09] } 26... Ra6?! { [%eval -1.1] } { Inaccuracy. Qd6 was best. } { [%clk 0:12:44] } 27. Re5?? { [%eval -3.04] } { Blunder. Rg1 was best. } { [%clk 0:45:16] } 27... Ne4?? { [%eval -1.07] } { Blunder. Rh8 was best. } { [%clk 0:09:48] } 28. Bxg5? { [%eval -2.3] } { Mistake. Bxd5 was best. } { [%clk 0:34:19] } 28... Nxg5? { [%eval -1.01] } { Mistake. Kg8 was best. } { [%clk 0:09:32] } 29. Rxg5 { [%eval -1.51] [%clk 0:34:07] } 29... Rh6 { [%eval -1.17] [%clk 0:09:27] } 30. Qd3+?? { [%eval -3.12] } { Blunder. Bxd5 was best. } { [%clk 0:33:44] } 30... g6 { [%eval -3.18] [%clk 0:08:53] } 31. Rg3 { [%eval -3.3] [%clk 0:34:06] } 31... Qd6 { [%eval -2.78] [%clk 0:08:08] } 32. Qf3 { [%eval -2.9] [%clk 0:33:03] } 32... Be6 { [%eval -3.4] [%clk 0:08:36] } 33. Qf6 { [%eval -3.39] [%clk 0:31:08] } 33... a5?! { [%eval -2.51] } { Inaccuracy. Rh5 was best. } { [%clk 0:08:21] } 34. Re1 { [%eval -2.7] [%clk 0:28:43] } 34... a4 { [%eval -3.05] [%clk 0:08:25] } 35. Ba2 { [%eval -2.63] [%clk 0:29:04] } 35... Rc6 { [%eval -2.64] [%clk 0:04:53] } 36. Re5 { [%eval -3.0] [%clk 0:26:32] } 36... b4 { [%eval -2.35] [%clk 0:03:39] } 37. cxb4? { [%eval -4.08] } { Mistake. Kg1 was best. } { [%clk 0:20:51] } 37... Rxc2 { [%eval -4.56] [%clk 0:04:01] } 38. Bb1 { [%eval -5.1] [%clk 0:18:31] } 38... Rc1+ { [%eval -5.57] [%clk 0:04:14] } 39. Rg1 { [%eval -6.65] [%clk 0:18:17] } 39... Rxg1+?? { [%eval -1.57] } { Blunder. Rxh3+ was best. } { [%clk 0:03:21] } 40. Kxg1 { [%eval -1.4] [%clk 0:18:29] } 40... Qxb4 { [%eval -1.32] [%clk 0:03:05] } 41. Bc2 { [%eval -1.51] [%clk 0:14:04] } 41... Qb7 { [%eval -1.34] [%clk 0:23:43] } 42. Re3 { [%eval -1.49] [%clk 0:36:33] } 42... Qc8 { [%eval -1.23] [%clk 0:20:56] } 43. Bxa4 { [%eval -1.29] [%clk 0:28:32] } 43... g5 { [%eval -1.28] [%clk 0:19:30] } 44. Qe7 { [%eval -1.37] [%clk 0:25:59] } 44... Kg7?! { [%eval -0.35] } { Inaccuracy. Qc1+ was best. } { [%clk 0:12:40] } 45. Be8?? { [%eval -4.04] } { Blunder. Bb5 was best. } { [%clk 0:16:50] } 45... g4?? { [%eval -0.14] } { Blunder. Rf6 was best. } { [%clk 0:11:39] } 46. h4?! { [%eval -1.12] } { Inaccuracy. Qg5+ was best. } { [%clk 0:16:45] } 46... Rf6 { [%eval -1.19] [%clk 0:10:37] } 47. Bb5?? { [%eval -7.71] } { Blunder. Re5 was best. } { [%clk 0:10:15] } 47... Qc2 { [%eval -8.03] [%clk 0:08:54] } 48. Be2 { [%eval -8.29] [%clk 0:09:42] } 48... Qf5 { [%eval -8.26] [%clk 0:09:15] } 49. f3 { [%eval -10.32] [%clk 0:09:14] } 49... Qf4 { [%eval -9.5] [%clk 0:08:54] } 50. Qa3 { [%eval -13.22] [%clk 0:09:26] } 50... Qg3+ { [%eval -11.72] [%clk 0:08:42] } 51. Kf1 { [%eval -12.71] [%clk 0:09:23] } 51... gxf3 { [%eval -12.82] [%clk 0:08:48] } 52. Bxf3 { [%eval -13.28] [%clk 0:09:39] } 52... Bg4 { [%eval -12.54] [%clk 0:09:10] } 0-1