Event: Norwegian Championship 2023
Site: Oslo, Norway
Date: 2023-07-08
White: Melaa, Sondre
WhiteElo: 2230
Black: Ostenstad, Berge
BlackTitle: GM
BlackElo: 2442
Result: 0-1
ECO: A48
Opening: London System
Variant: Standard
TimeControl: 40/5400+30:1800+30

1. d4 { [%eval 0.0] [%clk 1:30:17] } 1... Nf6 { [%eval 0.28] [%clk 1:30:50] } 2. Bf4 { [%eval 0.0] [%clk 1:30:31] } 2... g6 { [%eval 0.13] [%clk 1:30:49] } 3. Nf3 { [%eval 0.0] [%clk 1:30:51] } 3... Bg7 { [%eval 0.16] [%clk 1:31:14] } 4. e3 { [%eval 0.13] [%clk 1:31:12] } 4... d6 { [%eval 0.07] [%clk 1:31:10] } 5. h3 { [%eval -0.33] [%clk 1:31:27] } 5... O-O { [%eval 0.17] [%clk 1:31:16] } 6. Be2 { [%eval 0.01] [%clk 1:31:17] } 6... c5 { [%eval 0.16] [%clk 1:27:14] } 7. O-O { [%eval 0.09] [%clk 1:31:07] } 7... b6 { [%eval 0.39] [%clk 1:26:54] } 8. a4 { [%eval 0.23] [%clk 1:28:33] } 8... Nc6 { [%eval 0.47] [%clk 1:20:49] } 9. c3 { [%eval 0.47] [%clk 1:21:59] } 9... Bb7 { [%eval 0.43] [%clk 1:19:27] } 10. Nbd2 { [%eval 0.42] [%clk 1:20:36] } 10... a6 { [%eval 0.49] [%clk 1:08:49] } 11. Bh2 { [%eval 0.34] [%clk 1:09:45] } 11... Nd7?! { [%eval 0.91] } { Inaccuracy. d5 was best. } { [%clk 1:01:02] } 12. Rb1 { [%eval 0.44] [%clk 1:02:40] } 12... cxd4 { [%eval 0.5] [%clk 0:52:37] } 13. exd4 { [%eval 0.33] [%clk 1:02:30] } 13... Rc8 { [%eval 0.81] [%clk 0:52:45] } 14. b4 { [%eval 0.3] [%clk 0:55:54] } 14... d5 { [%eval 0.7] [%clk 0:51:18] } 15. Nb3 { [%eval 0.57] [%clk 0:52:48] } 15... Re8 { [%eval 0.84] [%clk 0:35:39] } 16. a5 { [%eval 0.54] [%clk 0:49:20] } 16... b5 { [%eval 0.74] [%clk 0:35:19] } 17. Qd2 { [%eval 0.25] [%clk 0:45:20] } 17... e5 { [%eval 0.13] [%clk 0:34:10] } 18. dxe5 { [%eval -0.06] [%clk 0:43:29] } 18... Ncxe5 { [%eval -0.04] [%clk 0:34:21] } 19. Nxe5 { [%eval -0.22] [%clk 0:39:01] } 19... Nxe5 { [%eval 0.0] [%clk 0:34:39] } 20. Nc5 { [%eval -0.09] [%clk 0:38:45] } 20... Rxc5 { [%eval 0.36] [%clk 0:24:52] } 21. bxc5 { [%eval 0.33] [%clk 0:39:08] } 21... Qxa5 { [%eval 0.28] [%clk 0:25:15] } 22. Ra1 { [%eval 0.1] [%clk 0:27:15] } 22... Qc7 { [%eval 0.02] [%clk 0:23:29] } 23. Bf4 { [%eval 0.0] [%clk 0:26:50] } 23... Qxc5 { [%eval 0.0] [%clk 0:22:05] } 24. Be3? { [%eval -1.37] } { Mistake. Rfe1 was best. } { [%clk 0:27:05] } 24... d4 { [%eval -1.54] [%clk 0:18:49] } 25. cxd4 { [%eval -1.51] [%clk 0:22:37] } 25... Qd5 { [%eval -1.36] [%clk 0:19:13] } 26. f3 { [%eval -1.48] [%clk 0:22:48] } 26... Ng4 { [%eval -1.59] [%clk 0:15:09] } 27. hxg4 { [%eval -1.31] [%clk 0:23:14] } 27... Rxe3 { [%eval -1.42] [%clk 0:15:27] } 28. Rfd1?! { [%eval -2.23] } { Inaccuracy. Rad1 was best. } { [%clk 0:22:35] } 28... Bh6 { [%eval -2.11] [%clk 0:14:36] } 29. Rac1 { [%eval -2.21] [%clk 0:20:45] } 29... Qd6?! { [%eval -1.55] } { Inaccuracy. Bf4 was best. } { [%clk 0:10:07] } 30. d5 { [%eval -1.79] [%clk 0:16:37] } 30... Bf4?! { [%eval -0.98] } { Inaccuracy. Bg5 was best. } { [%clk 0:09:25] } 31. Qc2?? { [%eval -3.28] } { Blunder. g3 was best. } { [%clk 0:05:46] } 31... Re7 { [%eval -3.7] [%clk 0:08:54] } 32. Bd3 { [%eval -3.55] [%clk 0:02:42] } 32... Bxc1 { [%eval -3.46] [%clk 0:04:40] } 33. Qxc1 { [%eval -3.52] [%clk 0:03:01] } 33... Rc7?! { [%eval -2.13] } { Inaccuracy. Bxd5 was best. } { [%clk 0:02:48] } 34. Qe3?! { [%eval -3.52] } { Inaccuracy. Qa1 was best. } { [%clk 0:02:25] } 34... Qxd5 { [%eval -3.6] [%clk 0:02:53] } 35. Qe8+ { [%eval -3.93] [%clk 0:02:15] } 35... Kg7 { [%eval -3.78] [%clk 0:03:15] } 36. Kh1 { [%eval -4.09] [%clk 0:02:01] } 36... Qg5 { [%eval -3.88] [%clk 0:02:34] } 37. Bf1 { [%eval -4.06] [%clk 0:01:16] } 37... Qh4+ { [%eval -3.62] [%clk 0:02:07] } 38. Kg1 { [%eval -3.84] [%clk 0:01:44] } 38... Qe7 { [%eval -3.77] [%clk 0:02:30] } 39. Qb8 { [%eval -4.02] [%clk 0:02:03] } 39... Qe3+ { [%eval -3.5] [%clk 0:01:42] } 40. Kh1 { [%eval -4.04] [%clk 0:02:02] } 40... Qh6+ { [%eval -3.54] [%clk 0:01:30] } 41. Kg1 { [%eval -3.82] [%clk 0:02:29] } 41... Qe3+ { [%eval -3.71] [%clk 0:01:47] } 42. Kh1 { [%eval -4.08] [%clk 0:02:52] } 42... Qc5 { [%eval -3.63] [%clk 0:19:31] } 43. g5 { [%eval -4.16] [%clk 0:30:12] } 43... Bc8 { [%eval -3.99] [%clk 0:16:54] } 44. Rd8 { [%eval -4.09] [%clk 0:28:57] } 44... Qc6 { [%eval -4.05] [%clk 0:16:57] } 45. Bd3?! { [%eval -6.47] } { Inaccuracy. Kh2 was best. } { [%clk 0:27:34] } 45... Qc1+ { [%eval -6.3] [%clk 0:17:13] } 0-1