Event: Round 8: Johan Op den Dries - Chiel Koster
Date: 2023-08-02
White: Johan Op den Dries
Black: Chiel Koster
Result: 1-0
ECO: B23
Opening: Sicilian Defense: Grand Prix Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:45] } 2. Nc3 { [%eval 0.24] [%clk 1:31:23] } 2... Nc6 { [%eval 0.41] [%clk 1:31:00] } 3. f4?! { [%eval -0.22] } { Inaccuracy. Nf3 was best. } { [%clk 1:31:48] } 3... e6 { [%eval -0.12] [%clk 1:31:17] } 4. Nf3 { [%eval -0.13] [%clk 1:32:04] } 4... d5 { [%eval 0.0] [%clk 1:31:10] } 5. d3 { [%eval -0.25] [%clk 1:32:28] } 5... Nf6 { [%eval -0.12] [%clk 1:30:54] } 6. Be2 { [%eval -0.28] [%clk 1:32:32] } 6... dxe4?! { [%eval 0.3] } { Inaccuracy. Be7 was best. } { [%clk 1:29:49] } 7. dxe4 { [%eval -0.01] [%clk 1:32:25] } 7... Qxd1+ { [%eval 0.16] [%clk 1:30:12] } 8. Bxd1 { [%eval 0.22] [%clk 1:32:33] } 8... Be7 { [%eval 0.24] [%clk 1:30:05] } 9. O-O { [%eval -0.19] [%clk 1:26:47] } 9... O-O { [%eval -0.14] [%clk 1:29:59] } 10. h3 { [%eval -0.19] [%clk 1:24:52] } 10... b6 { [%eval 0.04] [%clk 1:29:18] } 11. e5 { [%eval -0.09] [%clk 1:24:22] } 11... Nd5 { [%eval -0.06] [%clk 1:26:18] } 12. Nxd5 { [%eval -0.08] [%clk 1:24:14] } 12... exd5 { [%eval -0.06] [%clk 1:26:42] } 13. Re1 { [%eval -0.33] [%clk 1:23:16] } 13... h5 { [%eval 0.0] [%clk 1:21:46] } 14. Nd2 { [%eval -0.39] [%clk 1:19:03] } 14... g6 { [%eval -0.59] [%clk 1:18:59] } 15. c3 { [%eval -0.69] [%clk 1:12:50] } 15... Be6 { [%eval -0.19] [%clk 1:10:27] } 16. Bf3 { [%eval -0.44] [%clk 1:11:29] } 16... Rae8 { [%eval -0.05] [%clk 1:00:59] } 17. Nf1 { [%eval 0.0] [%clk 1:09:35] } 17... Rd8 { [%eval -0.19] [%clk 0:57:35] } 18. Rd1 { [%eval -0.18] [%clk 1:07:37] } 18... Na5 { [%eval -0.19] [%clk 0:53:49] } 19. b3 { [%eval -0.18] [%clk 1:07:29] } 19... d4 { [%eval 0.22] [%clk 0:47:38] } 20. c4 { [%eval -0.24] [%clk 1:04:54] } 20... Bd7 { [%eval -0.22] [%clk 0:46:00] } 21. Ng3 { [%eval -0.36] [%clk 1:01:20] } 21... f6 { [%eval -0.33] [%clk 0:40:47] } 22. Bd5+ { [%eval -0.6] [%clk 0:56:20] } 22... Kg7 { [%eval -0.76] [%clk 0:39:52] } 23. Bd2 { [%eval -1.11] [%clk 0:52:16] } 23... fxe5 { [%eval -1.27] [%clk 0:34:09] } 24. fxe5 { [%eval -1.28] [%clk 0:52:34] } 24... Nc6?? { [%eval 0.4] } { Blunder. Bc6 was best. } { [%clk 0:34:04] } 25. e6 { [%eval 0.2] [%clk 0:51:56] } 25... Be8 { [%eval 0.34] [%clk 0:34:29] } 26. Rf1 { [%eval 0.3] [%clk 0:50:51] } 26... Rxf1+ { [%eval 0.23] [%clk 0:30:57] } 27. Rxf1 { [%eval 0.23] [%clk 0:51:09] } 27... Bh4?? { [%eval 2.45] } { Blunder. Nb4 was best. } { [%clk 0:28:22] } 28. Ne4 { [%eval 1.88] [%clk 0:51:03] } 28... Ne7?! { [%eval 2.88] } { Inaccuracy. Nb4 was best. } { [%clk 0:28:37] } 29. g3 { [%eval 2.39] [%clk 0:49:32] } 29... Nxd5 { [%eval 2.77] [%clk 0:27:41] } 30. cxd5 { [%eval 2.9] [%clk 0:49:16] } 30... Be7 { [%eval 2.83] [%clk 0:27:33] } 31. d6 { [%eval 2.86] [%clk 0:49:42] } 31... Rxd6 { [%eval 2.98] [%clk 0:26:38] } 32. Nxd6 { [%eval 2.75] [%clk 0:50:00] } 32... Bxd6 { [%eval 2.83] [%clk 0:26:52] } 33. Bf4 { [%eval 2.99] [%clk 0:49:58] } 33... Be7 { [%eval 2.49] [%clk 0:26:12] } 34. Be5+ { [%eval 2.21] [%clk 0:49:49] } 34... Kg8 { [%eval 2.62] [%clk 0:26:38] } 35. Bf6 { [%eval 2.8] [%clk 0:42:23] } 35... Bd6 { [%eval 2.9] [%clk 0:25:53] } 36. e7?? { [%eval 0.55] } { Blunder. Bg5 was best. } { [%clk 0:42:02] } 36... Kf7 { [%eval 0.53] [%clk 0:25:12] } 37. g4 { [%eval 0.03] [%clk 0:36:34] } 37... hxg4 { [%eval 0.55] [%clk 0:22:50] } 38. hxg4?! { [%eval -0.14] } { Inaccuracy. Bg5+ was best. } { [%clk 0:36:59] } 38... d3?? { [%eval 3.11] } { Blunder. Bb5 was best. } { [%clk 0:21:03] } 39. Bh4+ { [%eval 2.73] [%clk 0:29:30] } 39... Ke6 { [%eval 2.7] [%clk 0:20:46] } 40. Rd1 { [%eval 2.85] [%clk 0:29:59] } 40... Bf4 { [%eval 2.96] [%clk 0:19:04] } 41. Rxd3 { [%eval 3.05] [%clk 0:28:29] } 41... g5 { [%eval 3.09] [%clk 0:19:18] } 42. Bg3 { [%eval 3.15] [%clk 0:28:36] } 42... Bxg3 { [%eval 3.16] [%clk 0:16:57] } 43. Rxg3 { [%eval 3.18] [%clk 0:29:00] } 43... Kxe7 { [%eval 3.47] [%clk 0:17:04] } 44. Re3+ { [%eval 3.0] [%clk 0:29:26] } 44... Kf7 { [%eval 3.36] [%clk 0:17:25] } 45. Re5?? { [%eval 1.17] } { Blunder. Rf3+ was best. } { [%clk 0:29:45] } 45... Bd7 { [%eval 1.03] [%clk 0:17:49] } 46. Rxg5 { [%eval 1.17] [%clk 0:29:49] } 46... Kf6?? { [%eval 4.58] } { Blunder. Be6 was best. } { [%clk 0:18:04] } 47. Rg8 { [%eval 4.43] [%clk 0:29:56] } 47... a5 { [%eval 5.24] [%clk 0:14:29] } 48. Kf2 { [%eval 4.47] [%clk 0:27:01] } 48... b5 { [%eval 5.2] [%clk 0:13:13] } 49. Ke3 { [%eval 5.21] [%clk 0:24:30] } 49... Be6 { [%eval 5.76] [%clk 0:10:00] } 50. Rb8 { [%eval 5.34] [%clk 0:21:53] } 50... b4 { [%eval 5.36] [%clk 0:08:14] } 51. Rb6 { [%eval 6.25] [%clk 0:20:28] } 1-0