Event: Round 6: Roersma, Dylan - Koppenens, Oscar
Date: 2025-04-30
White: Roersma, Dylan
WhiteElo: 1737
Black: Koppenens, Oscar
BlackElo: 2024
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.25] [%clk 1:30:57] } 2. Nf3 { [%eval 0.2] [%clk 1:31:20] } 2... Nc6 { [%eval 0.25] [%clk 1:31:14] } 3. d4 { [%eval 0.27] [%clk 1:31:28] } 3... cxd4 { [%eval 0.35] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.21] [%clk 1:31:51] } 4... Nf6 { [%eval 0.19] [%clk 1:32:05] } 5. Nc3 { [%eval 0.26] [%clk 1:32:13] } 5... e6 { [%eval 0.35] [%clk 1:32:29] } 6. Ndb5 { [%eval 0.25] [%clk 1:31:11] } 6... Bb4 { [%eval 0.31] [%clk 1:32:21] } 7. a3 { [%eval 0.23] [%clk 1:30:25] } 7... d5?? { [%eval 3.82] } { Blunder. Bxc3+ was best. } { [%clk 1:31:41] } 8. axb4 { [%eval 4.91] [%clk 1:29:46] } 8... d4 { [%eval 5.64] [%clk 1:31:12] } 9. e5 { [%eval 5.67] [%clk 1:25:50] } 9... Nd7 { [%eval 5.87] [%clk 1:30:30] } 10. Nxd4 { [%eval 5.48] [%clk 1:25:07] } 10... Ncxe5 { [%eval 6.04] [%clk 1:30:45] } 11. Nf3 { [%eval 5.78] [%clk 1:24:23] } 11... Nxf3+ { [%eval 5.7] [%clk 1:27:01] } 12. Qxf3 { [%eval 5.77] [%clk 1:24:11] } 12... O-O { [%eval 5.81] [%clk 1:27:09] } 13. Bd3 { [%eval 5.29] [%clk 1:23:40] } 13... f5 { [%eval 5.56] [%clk 1:26:34] } 14. Qe2 { [%eval 5.57] [%clk 1:21:28] } 14... e5 { [%eval 5.59] [%clk 1:26:30] } 15. O-O { [%eval 5.54] [%clk 1:18:05] } 15... e4 { [%eval 5.93] [%clk 1:20:25] } 16. Bc4+ { [%eval 6.1] [%clk 1:14:52] } 16... Kh8 { [%eval 6.0] [%clk 1:20:32] } 17. Rd1 { [%eval 5.97] [%clk 1:13:04] } 17... Qh4 { [%eval 5.87] [%clk 1:20:27] } 18. Nd5 { [%eval 5.06] [%clk 1:05:01] } 18... Ne5 { [%eval 5.27] [%clk 1:16:34] } 19. f4 { [%eval 4.98] [%clk 0:55:17] } 19... exf3 { [%eval 4.87] [%clk 1:12:57] } 20. Qxe5 { [%eval 4.95] [%clk 0:54:15] } 20... Qxc4 { [%eval 4.95] [%clk 1:10:40] } 21. Qc3 { [%eval 5.02] [%clk 0:52:17] } 21... Qh4 { [%eval 5.17] [%clk 1:08:26] } 22. Qxf3 { [%eval 5.06] [%clk 0:51:38] } 22... f4 { [%eval 4.97] [%clk 1:07:06] } 23. Qf2 { [%eval 5.01] [%clk 0:50:14] } 23... Qh5 { [%eval 4.87] [%clk 1:06:30] } 24. Nc3 { [%eval 4.2] [%clk 0:38:53] } 24... f3 { [%eval 4.23] [%clk 1:02:27] } 25. Rd5 { [%eval 4.0] [%clk 0:33:03] } 25... Qg6 { [%eval 4.65] [%clk 1:00:23] } 26. Rg5 { [%eval 4.54] [%clk 0:30:28] } 26... Qc6 { [%eval 5.14] [%clk 0:51:28] } 27. Be3 { [%eval 4.78] [%clk 0:28:07] } 27... Be6 { [%eval 4.86] [%clk 0:48:39] } 28. Qg3 { [%eval 4.68] [%clk 0:26:18] } 28... Rf7 { [%eval 4.68] [%clk 0:47:35] } 29. Bd4 { [%eval 4.62] [%clk 0:19:19] } 29... Qd7 { [%eval 5.35] [%clk 0:44:39] } 30. Rd1 { [%eval 5.39] [%clk 0:18:27] } 30... Qe7 { [%eval 5.56] [%clk 0:44:45] } 31. gxf3 { [%eval 5.41] [%clk 0:13:41] } 31... h6 { [%eval 6.45] [%clk 0:43:46] } 32. Rg6 { [%eval 6.63] [%clk 0:13:09] } 32... Kh7 { [%eval 6.73] [%clk 0:43:41] } 33. Re1 { [%eval 6.48] [%clk 0:12:34] } 33... Qd7 { [%eval 6.57] [%clk 0:43:48] } 34. Rxg7+ { [%eval 6.59] [%clk 0:11:53] } 34... Rxg7 { [%eval 6.7] [%clk 0:44:13] } 35. Qxg7+ { [%eval 6.53] [%clk 0:12:05] } 35... Qxg7+ { [%eval 6.52] [%clk 0:44:41] } 36. Bxg7 { [%eval 6.37] [%clk 0:12:26] } 36... Bf5 { [%eval 6.57] [%clk 0:44:46] } 37. Be5 { [%eval 6.11] [%clk 0:10:34] } 37... Bxc2 { [%eval 6.01] [%clk 0:45:03] } 38. Kf2 { [%eval 6.08] [%clk 0:10:23] } 38... Kg6 { [%eval 6.06] [%clk 0:45:09] } 39. Re2 { [%eval 6.03] [%clk 0:09:42] } 39... Bb3 { [%eval 6.05] [%clk 0:45:30] } 40. Rd2 { [%eval 6.03] [%clk 0:10:04] } 40... Re8 { [%eval 6.37] [%clk 0:45:49] } 41. f4 { [%eval 6.31] [%clk 0:10:19] } 41... Re7 { [%eval 6.73] [%clk 0:46:11] } 42. Rd6+ { [%eval 6.92] [%clk 0:10:21] } 42... Re6 { [%eval 6.91] [%clk 0:46:20] } 43. Rxe6+ { [%eval 6.87] [%clk 0:09:38] } 43... Bxe6 { [%eval 6.55] [%clk 0:46:45] } 44. Ke3 { [%eval 6.25] [%clk 0:09:57] } 44... Kf5 { [%eval 7.07] [%clk 0:46:59] } 45. Ne4 { [%eval 6.66] [%clk 0:09:13] } 45... Bd5 { [%eval 7.19] [%clk 0:47:13] } 46. Nf2 { [%eval 5.87] [%clk 0:08:32] } 46... Bc6 { [%eval 6.08] [%clk 0:46:37] } 47. Kd4 { [%eval 5.94] [%clk 0:07:49] } 47... a6 { [%eval 6.7] [%clk 0:46:36] } 48. Kc5 { [%eval 6.1] [%clk 0:07:16] } 48... h5 { [%eval 6.1] [%clk 0:46:48] } 49. Kd6 { [%eval 5.82] [%clk 0:06:59] } 49... h4 { [%eval 5.92] [%clk 0:47:09] } 50. Ke7 { [%eval 5.84] [%clk 0:07:11] } 50... Bg2 { [%eval 6.18] [%clk 0:46:12] } 51. Kf7 { [%eval 5.81] [%clk 0:06:49] } 51... b6 { [%eval 5.68] [%clk 0:45:54] } 52. Kg7 { [%eval 5.4] [%clk 0:06:55] } 52... a5 { [%eval 5.84] [%clk 0:46:15] } 53. bxa5 { [%eval 5.78] [%clk 0:06:58] } 53... bxa5 { [%eval 5.7] [%clk 0:46:39] } 54. Kh6 { [%eval 5.58] [%clk 0:07:15] } 54... Bf3 { [%eval 6.59] [%clk 0:47:01] } 55. h3 { [%eval 6.58] [%clk 0:06:14] } 55... a4 { [%eval 6.47] [%clk 0:47:25] } 56. Ng4 { [%eval 6.32] [%clk 0:05:56] } 56... Bxg4?! { [%eval 14.02] } { Inaccuracy. Be2 was best. } { [%clk 0:44:37] } 57. hxg4+ { [%eval 10.37] [%clk 0:06:07] } 57... Kxg4?! { [%eval #18] } { Checkmate is now unavoidable. Ke6 was best. } { [%clk 0:44:53] } 58. Kg6 { [%eval #20] [%clk 0:06:20] } 58... h3 { [%eval #13] [%clk 0:44:58] } 59. f5 { [%eval #13] [%clk 0:06:44] } 1-0