Event: Fagernes International 2025
Site: Fagernes, Norway
Date: 2025-04-20
White: Hillarp Persson, Tiger
WhiteTitle: GM
WhiteElo: 2462
Black: Ostensen, Nicolai Maxime
BlackTitle: FM
BlackElo: 2260
Result: 1-0
ECO: E92
Opening: King's Indian Defense: Petrosian Variation, Stein Defense
Variant: Standard
TimeControl: 100 minutes/40 moves + 40 minutes/rest with 30 seconds increment from move 1.

1. d4 { [%eval 0.17] [%clk 1:38:13] } 1... Nf6 { [%eval 0.19] [%clk 1:40:50] } 2. c4 { [%eval 0.18] [%clk 1:38:24] } 2... g6 { [%eval 0.19] [%clk 1:41:05] } 3. Nc3 { [%eval 0.21] [%clk 1:38:47] } 3... Bg7 { [%eval 0.51] [%clk 1:41:29] } 4. e4 { [%eval 0.4] [%clk 1:39:10] } 4... d6 { [%eval 0.48] [%clk 1:41:53] } 5. Nf3 { [%eval 0.36] [%clk 1:35:00] } 5... O-O { [%eval 0.44] [%clk 1:42:16] } 6. Be2 { [%eval 0.45] [%clk 1:34:35] } 6... e5 { [%eval 0.4] [%clk 1:42:38] } 7. d5 { [%eval 0.31] [%clk 1:34:52] } 7... a5 { [%eval 0.35] [%clk 1:42:43] } 8. Bg5 { [%eval 0.44] [%clk 1:32:30] } 8... h6 { [%eval 0.43] [%clk 1:42:57] } 9. Be3 { [%eval 0.53] [%clk 1:32:53] } 9... Na6 { [%eval 0.9] [%clk 1:36:28] } 10. Nd2 { [%eval 0.84] [%clk 1:32:50] } 10... Ne8 { [%eval 1.13] [%clk 1:30:41] } 11. g4 { [%eval 0.82] [%clk 1:33:12] } 11... f5 { [%eval 0.77] [%clk 1:23:51] } 12. gxf5 { [%eval 0.85] [%clk 1:33:02] } 12... gxf5 { [%eval 1.28] [%clk 1:24:16] } 13. exf5 { [%eval 1.04] [%clk 1:33:21] } 13... Bxf5 { [%eval 1.08] [%clk 1:24:25] } 14. Rg1 { [%eval 1.18] [%clk 1:22:49] } 14... Kh8 { [%eval 1.16] [%clk 1:23:52] } 15. Nf1?! { [%eval 0.28] } { Inaccuracy. Nde4 was best. } { [%clk 0:32:21] } 15... Nb4 { [%eval 0.42] [%clk 1:17:20] } 16. Rc1 { [%eval 0.45] [%clk 0:32:41] } 16... Qh4 { [%eval 0.41] [%clk 0:51:19] } 17. Ng3 { [%eval 0.45] [%clk 0:25:14] } 17... Bh7 { [%eval 0.45] [%clk 0:46:50] } 18. a3 { [%eval 0.5] [%clk 0:19:43] } 18... Na6 { [%eval 0.6] [%clk 0:47:07] } 19. Bd3 { [%eval 0.42] [%clk 0:19:24] } 19... e4?! { [%eval 1.21] } { Inaccuracy. Bxd3 was best. } { [%clk 0:44:44] } 20. Ngxe4 { [%eval 1.23] [%clk 0:19:08] } 20... Bxe4?! { [%eval 1.86] } { Inaccuracy. Nf6 was best. } { [%clk 0:42:36] } 21. Nxe4 { [%eval 1.88] [%clk 0:19:29] } 21... Bxb2? { [%eval 3.89] } { Mistake. Nf6 was best. } { [%clk 0:38:33] } 22. Rb1?! { [%eval 2.54] } { Inaccuracy. Rg6 was best. } { [%clk 0:08:42] } 22... Bg7 { [%eval 2.58] [%clk 0:36:45] } 23. Rxb7 { [%eval 2.57] [%clk 0:08:43] } 23... Nf6?! { [%eval 4.09] } { Inaccuracy. Rb8 was best. } { [%clk 0:24:49] } 24. Rxg7 { [%eval 4.06] [%clk 0:07:25] } 24... Kxg7 { [%eval 3.92] [%clk 0:24:31] } 25. Nxd6 { [%eval 3.92] [%clk 0:07:35] } 25... Ng4?? { [%eval 9.39] } { Blunder. Qxh2 was best. } { [%clk 0:20:05] } 26. Bd4+ { [%eval 9.06] [%clk 0:05:52] } 26... Kg8? { [%eval #4] } { Checkmate is now unavoidable. Rf6 was best. } { [%clk 0:18:50] } 27. Qe2?? { [%eval 3.63] } { Lost forced checkmate sequence. Bh7+ was best. } { [%clk 0:05:35] } 27... Nf6? { [%eval 5.77] } { Mistake. Rxf2 was best. } { [%clk 0:12:48] } 28. Qe6+ { [%eval 5.69] [%clk 0:04:08] } 28... Kh8 { [%eval 5.72] [%clk 0:13:02] } 29. Nf5 { [%eval 5.66] [%clk 0:04:21] } 29... Qg5 { [%eval 7.06] [%clk 0:12:46] } 30. h4 { [%eval 7.14] [%clk 0:03:16] } 30... Qg6 { [%eval 7.09] [%clk 0:11:45] } 31. h5 { [%eval 6.71] [%clk 0:01:54] } 31... Qe8 { [%eval 7.85] [%clk 0:11:41] } 32. Kd2 { [%eval 7.58] [%clk 0:01:52] } 32... Qxe6 { [%eval 8.03] [%clk 0:11:39] } 33. dxe6 { [%eval 7.87] [%clk 0:02:16] } 33... Rae8 { [%clk 0:11:55] } 34. e7 { [%clk 0:02:15] } 1-0