Event: Round 8: Kollen, Zyon - Maatman, Nick
Date: 2025-04-05
White: Kollen, Zyon
WhiteTitle: FM
WhiteElo: 2367
Black: Maatman, Nick
BlackTitle: IM
BlackElo: 2411
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:52] } 2. Nf3 { [%eval 0.2] [%clk 1:31:15] } 2... d6 { [%eval 0.25] [%clk 1:31:18] } 3. d4 { [%eval 0.22] [%clk 1:31:35] } 3... cxd4 { [%eval 0.19] [%clk 1:31:44] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:01] } 4... Nf6 { [%eval 0.25] [%clk 1:32:10] } 5. Nc3 { [%eval 0.32] [%clk 1:32:28] } 5... a6 { [%eval 0.28] [%clk 1:32:35] } 6. Be3 { [%eval 0.25] [%clk 1:32:28] } 6... e5 { [%eval 0.15] [%clk 1:32:58] } 7. Nb3 { [%eval 0.21] [%clk 1:32:52] } 7... Be6 { [%eval 0.2] [%clk 1:33:24] } 8. f3 { [%eval 0.52] [%clk 1:33:07] } 8... h5 { [%eval 0.45] [%clk 1:33:48] } 9. Qd2 { [%eval 0.52] [%clk 1:31:31] } 9... Nbd7 { [%eval 0.45] [%clk 1:34:13] } 10. a4 { [%eval 0.05] [%clk 1:31:12] } 10... Be7 { [%eval 0.03] [%clk 1:32:24] } 11. Be2 { [%eval 0.15] [%clk 1:31:11] } 11... O-O { [%eval 0.3] [%clk 1:31:15] } 12. O-O { [%eval 0.12] [%clk 1:29:14] } 12... Qc7 { [%eval 0.3] [%clk 1:28:00] } 13. Rfd1 { [%eval 0.08] [%clk 1:25:57] } 13... Rac8 { [%eval 0.14] [%clk 1:20:05] } 14. a5 { [%eval -0.07] [%clk 1:17:59] } 14... Rfd8 { [%eval -0.09] [%clk 1:17:19] } 15. Nc1 { [%eval -0.25] [%clk 1:10:44] } 15... h4 { [%eval 0.2] [%clk 1:07:24] } 16. h3 { [%eval -0.07] [%clk 1:03:46] } 16... Nh5 { [%eval 0.18] [%clk 1:05:16] } 17. Nd3 { [%eval 0.37] [%clk 1:03:03] } 17... d5 { [%eval 0.81] [%clk 0:43:30] } 18. exd5 { [%eval 0.71] [%clk 0:51:16] } 18... Bf5 { [%eval 0.75] [%clk 0:43:32] } 19. Ra4?? { [%eval -1.04] } { Blunder. Nf2 was best. } { [%clk 0:40:44] } 19... Ng3? { [%eval 0.52] } { Mistake. b5 was best. } { [%clk 0:42:07] } 20. Nf2 { [%eval 0.64] [%clk 0:33:59] } 20... Bc5? { [%eval 1.98] } { Mistake. Qb8 was best. } { [%clk 0:28:13] } 21. Bxc5 { [%eval 1.92] [%clk 0:29:09] } 21... Qxc5 { [%eval 1.95] [%clk 0:28:26] } 22. Rxh4 { [%eval 1.81] [%clk 0:28:27] } 22... Nxe2+ { [%eval 2.36] [%clk 0:20:47] } 23. Qxe2 { [%eval 2.3] [%clk 0:28:12] } 23... Qxa5?! { [%eval 3.67] } { Inaccuracy. Bg6 was best. } { [%clk 0:21:12] } 24. f4 { [%eval 3.57] [%clk 0:24:15] } 24... Qb6 { [%eval 4.15] [%clk 0:11:32] } 25. fxe5 { [%eval 4.27] [%clk 0:20:54] } 25... Qg6 { [%eval 4.38] [%clk 0:09:49] } 26. d6 { [%eval 4.43] [%clk 0:12:25] } 26... Be6 { [%eval 4.57] [%clk 0:06:47] } 27. Rdd4 { [%eval 4.56] [%clk 0:08:06] } 27... Rc5 { [%eval 4.99] [%clk 0:03:20] } 28. Nd3 { [%eval 4.68] [%clk 0:07:46] } 28... Ra5 { [%eval 4.92] [%clk 0:03:49] } 29. Kh2 { [%eval 4.81] [%clk 0:05:47] } 29... Re8 { [%eval 5.47] [%clk 0:02:18] } 30. Nf4 { [%eval 5.45] [%clk 0:03:45] } 30... Qg5 { [%eval 6.0] [%clk 0:02:46] } 31. Rh5 { [%eval 5.94] [%clk 0:03:42] } 31... Qd8 { [%eval 5.98] [%clk 0:03:14] } 32. Qd3 { [%eval 5.26] [%clk 0:02:22] } 32... Nf8 { [%eval 6.13] [%clk 0:01:34] } 33. Ncd5 { [%eval 5.93] [%clk 0:02:14] } 33... Bxd5 { [%eval 5.91] [%clk 0:01:37] } 34. Nxd5 { [%eval 5.77] [%clk 0:02:36] } 34... f6?! { [%eval 10.27] } { Inaccuracy. Rxd5 was best. } { [%clk 0:01:49] } 35. Ne7+?! { [%eval 5.38] } { Inaccuracy. Nxf6+ was best. } { [%clk 0:01:54] } 35... Rxe7 { [%eval 5.35] [%clk 0:01:42] } 36. dxe7 { [%eval 5.4] [%clk 0:01:42] } 36... Qxe7 { [%eval 5.34] [%clk 0:02:10] } 37. Qc4+ { [%eval 5.21] [%clk 0:01:34] } 37... Qe6 { [%eval 5.06] [%clk 0:02:17] } 38. Rdh4 { [%eval 4.94] [%clk 0:00:48] } 38... Qxc4 { [%eval 4.76] [%clk 0:00:43] } 39. Rxc4 { [%eval 4.73] [%clk 0:01:16] } 39... g6 { [%eval 5.03] [%clk 0:00:43] } 40. Rhh4 { [%eval 5.02] [%clk 0:00:59] } 40... fxe5 { [%eval 5.12] [%clk 0:00:37] } 41. Rc7 { [%eval 5.22] [%clk 0:26:30] } 41... Rb5 { [%eval 4.95] [%clk 0:30:34] } 42. Re4 { [%eval 5.09] [%clk 0:23:03] } 42... Nh7 { [%eval 5.48] [%clk 0:24:38] } 43. c4 { [%eval 5.37] [%clk 0:21:56] } 43... Rxb2 { [%eval 5.43] [%clk 0:24:23] } 44. Rxe5 { [%eval 5.26] [%clk 0:22:18] } 1-0