Event: Round 1: Koschel, Katharina - Nguyen, Laurentius
Date: 2025-01-02
White: Koschel, Katharina
WhiteElo: 1671
Black: Nguyen, Laurentius
BlackElo: 1795
Result: 0-1
ECO: D94
Opening: Grünfeld Defense: Three Knights Variation, Burille Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:52] } 1... Nf6 { [%eval 0.19] [%clk 1:30:57] } 2. c4 { [%eval 0.18] [%clk 1:29:48] } 2... g6 { [%eval 0.19] [%clk 1:31:05] } 3. Nc3 { [%eval 0.21] [%clk 1:29:58] } 3... d5 { [%eval 0.28] [%clk 1:31:31] } 4. e3 { [%eval 0.06] [%clk 1:28:11] } 4... Bg7 { [%eval 0.21] [%clk 1:31:51] } 5. Nf3 { [%eval 0.11] [%clk 1:26:01] } 5... O-O { [%eval 0.19] [%clk 1:32:09] } 6. cxd5 { [%eval 0.09] [%clk 1:24:22] } 6... Nxd5 { [%eval 0.1] [%clk 1:32:34] } 7. Be2 { [%eval 0.0] [%clk 1:23:15] } 7... Nxc3 { [%eval 0.19] [%clk 1:31:06] } 8. bxc3 { [%eval 0.14] [%clk 1:23:36] } 8... c5 { [%eval 0.11] [%clk 1:31:32] } 9. O-O { [%eval 0.18] [%clk 1:21:43] } 9... cxd4 { [%eval 0.35] [%clk 1:31:52] } 10. cxd4 { [%eval 0.31] [%clk 1:21:05] } 10... Nc6 { [%eval 0.3] [%clk 1:31:29] } 11. Rb1 { [%eval 0.25] [%clk 1:18:26] } 11... Rb8 { [%eval 0.72] [%clk 1:25:16] } 12. Qd2 { [%eval 0.21] [%clk 1:16:47] } 12... e5? { [%eval 1.68] } { Mistake. Bf5 was best. } { [%clk 1:11:53] } 13. d5?! { [%eval 0.78] } { Inaccuracy. Ba3 was best. } { [%clk 1:10:13] } 13... Bf5 { [%eval 0.84] [%clk 1:09:27] } 14. Rb5?! { [%eval 0.13] } { Inaccuracy. Ba3 was best. } { [%clk 0:57:41] } 14... a6 { [%eval 0.15] [%clk 1:06:22] } 15. Rc5 { [%eval 0.16] [%clk 0:55:20] } 15... Ne7?! { [%eval 0.72] } { Inaccuracy. e4 was best. } { [%clk 1:05:35] } 16. Ba3 { [%eval 0.83] [%clk 0:47:42] } 16... Re8?! { [%eval 1.7] } { Inaccuracy. Nc8 was best. } { [%clk 1:02:13] } 17. Rd1 { [%eval 1.65] [%clk 0:42:17] } 17... Be4?? { [%eval 3.76] } { Blunder. e4 was best. } { [%clk 0:58:02] } 18. d6 { [%eval 3.78] [%clk 0:36:24] } 18... Nc6 { [%eval 3.44] [%clk 0:55:23] } 19. Rc4 { [%eval 2.76] [%clk 0:30:09] } 19... Bxf3 { [%eval 2.79] [%clk 0:53:06] } 20. Bxf3 { [%eval 2.69] [%clk 0:29:19] } 20... Qa5?! { [%eval 3.8] } { Inaccuracy. Qd7 was best. } { [%clk 0:50:35] } 21. Qxa5 { [%eval 3.58] [%clk 0:25:32] } 21... Nxa5 { [%eval 3.64] [%clk 0:51:01] } 22. Rc7 { [%eval 3.53] [%clk 0:25:07] } 22... Bf8?! { [%eval 4.81] } { Inaccuracy. e4 was best. } { [%clk 0:47:45] } 23. Bd5 { [%eval 4.82] [%clk 0:17:30] } 23... Red8 { [%eval 4.76] [%clk 0:40:58] } 24. Bxf7+ { [%eval 4.64] [%clk 0:16:12] } 24... Kg7 { [%eval 4.9] [%clk 0:39:25] } 25. Be6+ { [%eval 5.1] [%clk 0:11:24] } 25... Kf6 { [%eval 5.23] [%clk 0:39:01] } 26. Bh3?! { [%eval 4.12] } { Inaccuracy. Bd5 was best. } { [%clk 0:11:23] } 26... b5 { [%eval 3.97] [%clk 0:36:53] } 27. Rd7?? { [%eval 0.12] } { Blunder. Bc5 was best. } { [%clk 0:10:35] } 27... Rxd7 { [%eval 0.09] [%clk 0:36:17] } 28. Bxd7 { [%eval 0.19] [%clk 0:10:51] } 28... b4 { [%eval 0.22] [%clk 0:29:46] } 29. Bb2 { [%eval 0.08] [%clk 0:06:32] } 29... Nc4 { [%eval 0.06] [%clk 0:29:30] } 30. Ba1 { [%eval 0.03] [%clk 0:05:55] } 30... Bxd6 { [%eval 0.09] [%clk 0:28:26] } 31. Ba4 { [%eval 0.03] [%clk 0:02:48] } 31... Ke7 { [%eval 0.04] [%clk 0:20:44] } 32. Bb3 { [%eval 0.02] [%clk 0:02:22] } 32... Na5 { [%eval 0.05] [%clk 0:16:57] } 33. Kf1 { [%eval 0.0] [%clk 0:02:02] } 33... Rc8 { [%eval 0.0] [%clk 0:14:46] } 34. Ke2 { [%eval 0.0] [%clk 0:01:45] } 34... Nb7 { [%eval 0.11] [%clk 0:14:00] } 35. Rd5 { [%eval 0.1] [%clk 0:01:39] } 35... Nc5 { [%eval 0.1] [%clk 0:13:09] } 36. Bxe5 { [%eval 0.11] [%clk 0:01:33] } 36... Nxb3 { [%eval 0.11] [%clk 0:13:03] } 37. axb3 { [%eval 0.19] [%clk 0:01:08] } 37... Bxe5 { [%eval 0.15] [%clk 0:13:16] } 38. Rxe5+ { [%eval 0.16] [%clk 0:01:27] } 38... Kd6 { [%eval 0.15] [%clk 0:13:29] } 39. Ra5 { [%eval 0.24] [%clk 0:01:35] } 39... Rc3 { [%eval 0.26] [%clk 0:05:39] } 40. Rxa6+ { [%eval 0.27] [%clk 0:00:58] } 40... Kc5 { [%eval 0.25] [%clk 0:05:25] } 41. Ra8 { [%eval 0.0] [%clk 0:01:08] } 41... Rxb3 { [%eval 0.0] [%clk 0:02:28] } 42. Rc8+ { [%eval 0.03] [%clk 0:00:31] } 42... Kb6? { [%eval 1.16] } { Mistake. Kd5 was best. } { [%clk 0:01:00] } 43. Rb8+? { [%eval 0.0] } { Mistake. e4 was best. } { [%clk 0:29:18] } 43... Kc7 { [%eval 0.03] [%clk 0:27:15] } 44. Rb5 { [%eval 0.0] [%clk 0:29:27] } 44... Kc6 { [%eval 0.0] [%clk 0:25:42] } 45. Rb8 { [%eval 0.0] [%clk 0:29:24] } 45... Rb2+ { [%eval 0.0] [%clk 0:25:36] } 46. Kf3 { [%eval 0.0] [%clk 0:28:59] } 46... Kc5 { [%eval 0.09] [%clk 0:21:16] } 47. Rc8+ { [%eval 0.12] [%clk 0:29:05] } 47... Kb5 { [%eval 0.22] [%clk 0:20:39] } 48. e4 { [%eval 0.09] [%clk 0:27:06] } 48... b3 { [%eval 0.11] [%clk 0:18:40] } 49. Ke3 { [%eval 0.0] [%clk 0:21:24] } 49... Ra2 { [%eval 0.05] [%clk 0:15:06] } 50. Rb8+ { [%eval 0.02] [%clk 0:18:49] } 50... Kc4 { [%eval 0.05] [%clk 0:13:51] } 51. Rc8+ { [%eval 0.0] [%clk 0:18:16] } 51... Kb4 { [%eval 0.0] [%clk 0:14:08] } 52. Rb8+ { [%eval 0.0] [%clk 0:18:04] } 52... Kc3 { [%eval 0.0] [%clk 0:11:32] } 53. e5?? { [%eval -1.89] } { Blunder. Rc8+ was best. } { [%clk 0:13:29] } 53... Ra5?? { [%eval 0.0] } { Blunder. b2 was best. } { [%clk 0:00:57] } 54. Rc8+ { [%eval 0.0] [%clk 0:06:46] } 54... Kb2 { [%eval 0.0] [%clk 0:00:53] } 55. Kd4 { [%eval 0.0] [%clk 0:03:35] } 55... Ka2 { [%eval 0.0] [%clk 0:00:46] } 56. e6 { [%eval 0.0] [%clk 0:01:37] } 56... b2 { [%eval 0.0] [%clk 0:01:07] } 57. e7?? { [%eval -7.49] } { Blunder. Rc2 was best. } { [%clk 0:01:35] } 57... b1=Q { [%eval -7.56] [%clk 0:01:20] } 58. e8=Q { [%eval -7.38] [%clk 0:02:02] } 58... Qb4+? { [%eval -4.38] } { Mistake. Qb2+ was best. } { [%clk 0:00:49] } 59. Rc4?? { [%eval #-12] } { Checkmate is now unavoidable. Ke3 was best. } { [%clk 0:01:46] } 59... Qd2+ { [%eval #-11] [%clk 0:01:15] } 0-1