Event: Leuven Open 2023 Round 6: Arno Vann Den Bosch - Natan Pirard
Date: 2023-11-12
White: Arno Vann Den Bosch
Black: Natan Pirard
BlackTitle: FM
Result: 0-1
ECO: B62
Opening: Sicilian Defense: Richter-Rauzer Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:24:02] } 1... c5 { [%eval 0.32] [%clk 1:29:09] } 2. Nf3 { [%eval 0.0] [%clk 1:24:30] } 2... d6 { [%eval 0.0] [%clk 1:28:57] } 3. d4 { [%eval 0.25] [%clk 1:24:48] } 3... cxd4 { [%eval 0.13] [%clk 1:29:19] } 4. Nxd4 { [%eval 0.27] [%clk 1:25:15] } 4... Nf6 { [%eval 0.3] [%clk 1:29:42] } 5. Nc3 { [%eval 0.21] [%clk 1:25:39] } 5... Nc6 { [%eval 0.47] [%clk 1:29:26] } 6. Bg5 { [%eval 0.0] [%clk 1:25:50] } 6... e6 { [%eval 0.23] [%clk 1:29:47] } 7. Qd3 { [%eval 0.25] [%clk 1:25:33] } 7... Bd7 { [%eval 0.57] [%clk 1:27:01] } 8. O-O-O { [%eval 0.41] [%clk 1:19:34] } 8... a6 { [%eval 0.33] [%clk 1:26:14] } 9. f4 { [%eval 0.4] [%clk 1:18:00] } 9... h6 { [%eval 0.41] [%clk 1:24:42] } 10. Bh4 { [%eval 0.34] [%clk 1:15:40] } 10... g5 { [%eval 0.58] [%clk 1:21:45] } 11. Nxc6 { [%eval 0.52] [%clk 1:01:48] } 11... Bxc6 { [%eval 0.42] [%clk 1:20:36] } 12. fxg5 { [%eval 0.47] [%clk 1:01:08] } 12... Ng4 { [%eval 0.52] [%clk 1:19:09] } 13. Be2 { [%eval 0.28] [%clk 0:49:10] } 13... hxg5 { [%eval 0.35] [%clk 1:14:46] } 14. Bg3 { [%eval 0.36] [%clk 0:49:23] } 14... Ne5 { [%eval 0.28] [%clk 1:14:00] } 15. Qe3 { [%eval 0.63] [%clk 0:47:24] } 15... Qc7 { [%eval 0.39] [%clk 1:06:18] } 16. Kb1 { [%eval 0.5] [%clk 0:43:39] } 16... Be7 { [%eval 0.43] [%clk 1:01:50] } 17. Rhf1 { [%eval 0.52] [%clk 0:37:17] } 17... Rc8 { [%eval 0.86] [%clk 0:49:22] } 18. Rf2 { [%eval 0.35] [%clk 0:23:52] } 18... Bd7 { [%eval 0.41] [%clk 0:44:08] } 19. Qd4 { [%eval 0.52] [%clk 0:21:14] } 19... Qc5 { [%eval 0.38] [%clk 0:41:01] } 20. h3?! { [%eval -0.31] } { Inaccuracy. Qd2 was best. } { [%clk 0:16:54] } 20... Qxd4 { [%eval -0.17] [%clk 0:40:49] } 21. Rxd4 { [%eval -0.32] [%clk 0:17:22] } 21... Rc7 { [%eval -0.17] [%clk 0:33:28] } 22. a3 { [%eval -0.23] [%clk 0:14:39] } 22... Bc6 { [%eval -0.25] [%clk 0:21:36] } 23. Rd1 { [%eval -0.59] [%clk 0:12:34] } 23... Bf8 { [%eval -0.38] [%clk 0:20:16] } 24. Rh1 { [%eval -0.78] [%clk 0:08:42] } 24... Bg7 { [%eval -0.79] [%clk 0:19:33] } 25. Rd1 { [%eval -0.74] [%clk 0:08:33] } 25... Rd7 { [%eval -0.75] [%clk 0:17:49] } 26. Ka2 { [%eval -0.74] [%clk 0:05:39] } 26... b5 { [%eval -0.71] [%clk 0:16:29] } 27. Kb3 { [%eval -0.9] [%clk 0:05:03] } 27... Ke7 { [%eval -0.72] [%clk 0:16:29] } 28. Rdf1 { [%eval -0.75] [%clk 0:04:49] } 28... Rh7 { [%eval -0.68] [%clk 0:14:22] } 29. Rd1 { [%eval -1.15] [%clk 0:04:28] } 29... Ng6 { [%eval -1.1] [%clk 0:11:09] } 30. Bd3 { [%eval -0.99] [%clk 0:03:49] } 30... Bd4 { [%eval -1.18] [%clk 0:10:19] } 31. Rff1 { [%eval -1.18] [%clk 0:03:40] } 31... Be5 { [%eval -1.13] [%clk 0:10:14] } 32. Bxe5 { [%eval -1.28] [%clk 0:03:14] } 32... Nxe5 { [%eval -0.97] [%clk 0:10:23] } 33. Be2 { [%eval -1.36] [%clk 0:03:40] } 33... Rh4 { [%eval -1.41] [%clk 0:10:32] } 34. Rd4? { [%eval -3.13] } { Mistake. Ka2 was best. } { [%clk 0:03:22] } 34... Rd8? { [%eval -1.55] } { Mistake. d5 was best. } { [%clk 0:09:47] } 35. a4 { [%eval -1.67] [%clk 0:02:53] } 35... bxa4+ { [%eval -1.64] [%clk 0:09:55] } 36. Ka3 { [%eval -1.62] [%clk 0:03:22] } 36... a5 { [%eval -1.61] [%clk 0:07:29] } 37. Bb5 { [%eval -1.63] [%clk 0:02:01] } 37... d5 { [%eval -1.71] [%clk 0:06:22] } 38. Kxa4? { [%eval -3.36] } { Mistake. Bxc6 was best. } { [%clk 0:01:34] } 38... Bxb5+ { [%eval -3.52] [%clk 0:06:30] } 39. Kxb5 { [%eval -3.54] [%clk 0:01:24] } 39... Rb8+ { [%eval -3.51] [%clk 0:06:49] } 40. Kc5?! { [%eval -4.91] } { Inaccuracy. Ka4 was best. } { [%clk 0:00:57] } 40... Nd7+ { [%eval -5.14] [%clk 0:05:29] } 41. Kc6 { [%eval -5.13] [%clk 0:01:07] } 41... Rhh8 { [%eval -4.96] [%clk 0:05:41] } 42. Rxf7+ { [%eval -4.94] [%clk 0:01:06] } 42... Kxf7 { [%eval -5.35] [%clk 0:06:09] } 43. Kxd7 { [%eval -5.38] [%clk 0:01:35] } 43... Rhd8+ { [%eval -4.99] [%clk 0:06:22] } 44. Kc6 { [%eval -5.07] [%clk 0:01:56] } 44... Ke7 { [%eval -5.05] [%clk 0:06:21] } 45. Nb5 { [%eval -5.2] [%clk 0:01:58] } 45... Rdc8+ { [%eval -5.0] [%clk 0:06:07] } 46. Nc7 { [%eval -4.95] [%clk 0:02:22] } 46... Kd8 { [%eval -5.09] [%clk 0:06:26] } 0-1