Event: Round 5: Weber, Samuel - Koster, Ramon
Date: 2024-12-26
White: Weber, Samuel
WhiteTitle: FM
WhiteElo: 2263
Black: Koster, Ramon
BlackTitle: FM
BlackElo: 2330
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:27] } 1... c5 { [%eval 0.25] [%clk 1:30:38] } 2. Nf3 { [%eval 0.2] [%clk 1:30:44] } 2... d6 { [%eval 0.22] [%clk 1:30:57] } 3. d4 { [%eval 0.22] [%clk 1:30:57] } 3... cxd4 { [%eval 0.19] [%clk 1:31:15] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:20] } 4... Nf6 { [%eval 0.25] [%clk 1:31:38] } 5. Nc3 { [%eval 0.32] [%clk 1:31:40] } 5... a6 { [%eval 0.32] [%clk 1:31:59] } 6. h3 { [%eval 0.16] [%clk 1:31:38] } 6... e5 { [%eval 0.21] [%clk 1:31:35] } 7. Nde2 { [%eval 0.19] [%clk 1:31:01] } 7... h5 { [%eval 0.26] [%clk 1:31:05] } 8. g3 { [%eval 0.21] [%clk 1:31:24] } 8... Be7 { [%eval 0.29] [%clk 1:29:51] } 9. Bg2 { [%eval 0.37] [%clk 1:31:44] } 9... b5 { [%eval 0.22] [%clk 1:28:45] } 10. Nd5 { [%eval 0.23] [%clk 1:31:38] } 10... Nxd5 { [%eval 0.3] [%clk 1:20:37] } 11. Qxd5 { [%eval 0.26] [%clk 1:31:39] } 11... Ra7 { [%eval 0.29] [%clk 1:21:02] } 12. Be3 { [%eval 0.27] [%clk 1:32:00] } 12... Rb7 { [%eval 0.21] [%clk 1:21:18] } 13. a3 { [%eval 0.06] [%clk 1:32:23] } 13... Nd7 { [%eval 0.1] [%clk 1:21:00] } 14. Nc3 { [%eval 0.08] [%clk 1:32:44] } 14... O-O { [%eval 0.08] [%clk 1:18:20] } 15. Qd2 { [%eval 0.13] [%clk 1:32:35] } 15... Nf6 { [%eval 0.18] [%clk 1:11:31] } 16. O-O { [%eval 0.02] [%clk 1:22:25] } 16... Be6 { [%eval 0.04] [%clk 1:07:14] } 17. f4 { [%eval -0.2] [%clk 1:13:25] } 17... a5 { [%eval -0.19] [%clk 1:01:31] } 18. b4 { [%eval -0.3] [%clk 0:58:19] } 18... Qc8 { [%eval -0.26] [%clk 0:42:23] } 19. f5 { [%eval -0.22] [%clk 0:53:06] } 19... Bc4 { [%eval -0.25] [%clk 0:42:04] } 20. Rf2 { [%eval -0.41] [%clk 0:44:43] } 20... Rd7 { [%eval -0.29] [%clk 0:31:32] } 21. Nd5?! { [%eval -0.87] } { Inaccuracy. Bg5 was best. } { [%clk 0:33:09] } 21... Bxd5 { [%eval -0.83] [%clk 0:27:43] } 22. exd5 { [%eval -0.93] [%clk 0:33:21] } 22... Qa6?! { [%eval -0.34] } { Inaccuracy. a4 was best. } { [%clk 0:24:44] } 23. bxa5 { [%eval -0.32] [%clk 0:24:30] } 23... Ra8 { [%eval -0.21] [%clk 0:21:28] } 24. Rb1 { [%eval -0.19] [%clk 0:20:50] } 24... Bd8 { [%eval -0.28] [%clk 0:14:41] } 25. Rb3?! { [%eval -1.0] } { Inaccuracy. Qe2 was best. } { [%clk 0:18:00] } 25... Bxa5 { [%eval -0.97] [%clk 0:13:41] } 26. Qe2 { [%eval -0.94] [%clk 0:16:18] } 26... Bb6 { [%eval -0.99] [%clk 0:13:16] } 27. g4 { [%eval -1.1] [%clk 0:10:53] } 27... Bxe3 { [%eval -0.9] [%clk 0:02:36] } 28. Qxe3 { [%eval -1.18] [%clk 0:06:32] } 28... Qa7? { [%eval 0.0] } { Mistake. hxg4 was best. } { [%clk 0:02:42] } 29. Qe2?? { [%eval -1.87] } { Blunder. g5 was best. } { [%clk 0:04:03] } 29... hxg4 { [%eval -1.87] [%clk 0:02:06] } 30. hxg4 { [%eval -1.73] [%clk 0:04:13] } 30... Qd4 { [%eval -1.39] [%clk 0:02:32] } 31. Rg3? { [%eval -2.66] } { Mistake. Rb4 was best. } { [%clk 0:03:26] } 31... Ra4? { [%eval -1.24] } { Mistake. Rc7 was best. } { [%clk 0:01:52] } 32. Qxb5? { [%eval -3.04] } { Mistake. c3 was best. } { [%clk 0:02:49] } 32... Rd8 { [%eval -2.91] [%clk 0:01:36] } 33. c3 { [%eval -3.42] [%clk 0:03:09] } 33... Qa7 { [%eval -3.45] [%clk 0:01:26] } 34. Qe2 { [%eval -3.88] [%clk 0:02:35] } 34... Rb8 { [%eval -3.81] [%clk 0:01:56] } 35. c4 { [%eval -4.05] [%clk 0:00:55] } 35... Rxa3 { [%eval -4.0] [%clk 0:01:56] } 36. Rxa3 { [%eval -3.87] [%clk 0:01:08] } 36... Qxa3 { [%eval -3.85] [%clk 0:02:24] } 37. Kh2 { [%eval -3.76] [%clk 0:00:37] } 37... Qc1 { [%eval -3.74] [%clk 0:02:53] } 38. c5?! { [%eval -4.71] } { Inaccuracy. Bf1 was best. } { [%clk 0:00:38] } 38... Qxc5 { [%eval -4.7] [%clk 0:03:00] } 39. Bf3 { [%eval -5.77] [%clk 0:00:32] } 39... e4 { [%eval -5.64] [%clk 0:03:15] } 40. Bg2?! { [%eval -7.92] } { Inaccuracy. g5 was best. } { [%clk 0:00:44] } 40... Qxf2 { [%eval -7.45] [%clk 0:03:19] } 0-1