Event: Hoogeveen Open 2023
Site: Hoogeveen, Netherlands
Date: 2023-10-25
White: Slagboom, Leandro
WhiteTitle: FM
WhiteElo: 2305
Black: Zwirs, Nico
BlackTitle: IM
BlackElo: 2451
Result: 0-1
ECO: B56
Opening: Sicilian Defense: Kupreichik Variation
Variant: Standard
TimeControl: 90min/40moves + 30min + 30sec/move

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:42] } 2. Nf3 { [%eval 0.0] [%clk 1:31:20] } 2... d6 { [%eval 0.0] [%clk 1:30:09] } 3. d4 { [%eval 0.25] [%clk 1:31:43] } 3... cxd4 { [%eval 0.13] [%clk 1:30:35] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:09] } 4... Nf6 { [%eval 0.3] [%clk 1:31:01] } 5. Nc3 { [%eval 0.21] [%clk 1:32:33] } 5... Bd7 { [%eval 0.55] [%clk 1:31:28] } 6. f3 { [%eval 0.78] [%clk 1:29:47] } 6... e5 { [%eval 0.56] [%clk 1:29:02] } 7. Nb3 { [%eval 0.51] [%clk 1:27:55] } 7... Be7 { [%eval 0.69] [%clk 1:29:16] } 8. Be3 { [%eval 0.55] [%clk 1:25:32] } 8... O-O { [%eval 0.92] [%clk 1:29:29] } 9. Qd2 { [%eval 0.92] [%clk 1:19:12] } 9... a5 { [%eval 0.85] [%clk 1:29:14] } 10. a4 { [%eval 0.96] [%clk 1:18:39] } 10... Na6 { [%eval 0.92] [%clk 1:27:43] } 11. g4 { [%eval 0.57] [%clk 1:05:53] } 11... Nb4 { [%eval 1.08] [%clk 1:26:23] } 12. g5 { [%eval 0.91] [%clk 0:49:44] } 12... Nh5 { [%eval 0.86] [%clk 1:26:20] } 13. Nb5?? { [%eval -1.19] } { Blunder. O-O-O was best. } { [%clk 0:40:13] } 13... Be6 { [%eval -1.15] [%clk 1:19:47] } 14. c4?! { [%eval -2.3] } { Inaccuracy. O-O-O was best. } { [%clk 0:34:10] } 14... f5 { [%eval -2.4] [%clk 1:06:49] } 15. O-O-O { [%eval -2.75] [%clk 0:31:58] } 15... fxe4 { [%eval -2.77] [%clk 1:03:21] } 16. Nxd6 { [%eval -3.1] [%clk 0:30:58] } 16... Nd3+? { [%eval -1.51] } { Mistake. b6 was best. } 17. Bxd3 { [%eval -1.75] [%clk 0:31:14] } 17... exd3 { [%eval -1.39] [%clk 0:35:43] } 18. Nxb7? { [%eval -2.78] } { Mistake. Qxd3 was best. } { [%clk 0:17:45] } 18... Qc7 { [%eval -2.71] [%clk 0:31:53] } 19. N7c5 { [%eval -2.69] [%clk 0:15:47] } 19... Bxc4?! { [%eval -1.63] } { Inaccuracy. Nf4 was best. } { [%clk 0:24:47] } 20. Kb1?! { [%eval -2.77] } { Inaccuracy. Qc3 was best. } { [%clk 0:14:10] } 20... Rxf3 { [%eval -2.82] [%clk 0:14:53] } 21. Rc1 { [%eval -2.77] [%clk 0:08:42] } 21... Bxb3 { [%eval -2.72] [%clk 0:14:35] } 22. Nxb3 { [%eval -2.4] [%clk 0:08:20] } 22... Qd7 { [%eval -2.62] [%clk 0:15:05] } 23. Rc4?! { [%eval -3.8] } { Inaccuracy. Rhf1 was best. } { [%clk 0:05:24] } 23... Bb4 { [%eval -3.8] [%clk 0:13:35] } 24. Qg2 { [%eval -3.86] [%clk 0:05:36] } 24... Raf8 { [%eval -3.8] [%clk 0:13:54] } 25. Bc5 { [%eval -4.21] [%clk 0:04:11] } 25... Bxc5 { [%eval -4.18] [%clk 0:13:25] } 26. Rxc5 { [%eval -4.31] [%clk 0:04:32] } 26... e4 { [%eval -4.17] [%clk 0:11:08] } 27. Rxa5?! { [%eval -5.62] } { Inaccuracy. Nd2 was best. } { [%clk 0:03:33] } 27... e3 { [%eval -4.84] [%clk 0:09:59] } 28. Ra8 { [%eval -4.76] [%clk 0:03:23] } 28... Rxa8 { [%eval -5.68] [%clk 0:02:51] } 29. Qxf3 { [%eval -5.71] [%clk 0:03:47] } 29... Qxa4 { [%eval -5.64] [%clk 0:03:10] } 0-1