Event: FIDE U16 Olympiad_boards_1-80
Date: 2023-08-16
White: Matthias Mattenberger
Black: Daniyal Sapenov
Result: 0-1
ECO: E20
Opening: Nimzo-Indian Defense
Variant: Standard
TimeControl: 2700+10

1. d4 { [%eval 0.0] [%clk 0:45:18] } 1... Nf6 { [%eval 0.28] [%clk 0:45:17] } 2. c4 { [%eval 0.16] [%clk 0:45:25] } 2... e6 { [%eval 0.23] [%clk 0:45:25] } 3. Nc3 { [%eval 0.05] [%clk 0:45:33] } 3... Bb4 { [%eval 0.25] [%clk 0:45:33] } 4. g4?! { [%eval -0.44] } { Inaccuracy. Qc2 was best. } { [%clk 0:45:41] } 4... c5 { [%eval -0.46] [%clk 0:40:11] } 5. a3 { [%eval -0.53] [%clk 0:45:49] } 5... Ba5 { [%eval 0.0] [%clk 0:39:07] } 6. Nf3 { [%eval -0.35] [%clk 0:44:48] } 6... Ne4 { [%eval -0.19] [%clk 0:36:30] } 7. Qc2 { [%eval -0.72] [%clk 0:43:31] } 7... Nxc3 { [%eval -0.74] [%clk 0:35:58] } 8. bxc3 { [%eval -1.01] [%clk 0:43:38] } 8... cxd4 { [%eval -0.89] [%clk 0:32:19] } 9. Nxd4 { [%eval -1.06] [%clk 0:43:03] } 9... Nc6 { [%eval -1.05] [%clk 0:32:26] } 10. Bd2 { [%eval -1.03] [%clk 0:40:21] } 10... O-O { [%eval -1.04] [%clk 0:31:17] } 11. Bg2 { [%eval -1.3] [%clk 0:35:54] } 11... d5?! { [%eval -0.42] } { Inaccuracy. Ne5 was best. } { [%clk 0:28:32] } 12. h3 { [%eval -0.5] [%clk 0:27:45] } 12... Nxd4 { [%eval -0.53] [%clk 0:23:59] } 13. cxd4 { [%eval -0.34] [%clk 0:27:54] } 13... Bxd2+ { [%eval -0.03] [%clk 0:24:08] } 14. Qxd2 { [%eval -0.04] [%clk 0:25:19] } 14... dxc4 { [%eval 0.02] [%clk 0:24:10] } 15. O-O?! { [%eval -1.0] } { Inaccuracy. Rc1 was best. } { [%clk 0:23:38] } 15... Rb8 { [%eval -1.14] [%clk 0:22:56] } 16. a4 { [%eval -0.94] [%clk 0:23:34] } 16... b6 { [%eval -1.16] [%clk 0:22:24] } 17. Qc3 { [%eval -1.08] [%clk 0:22:05] } 17... Ba6 { [%eval -1.25] [%clk 0:21:52] } 18. Rfd1 { [%eval -1.37] [%clk 0:20:22] } 18... Qd6 { [%eval -1.15] [%clk 0:20:20] } 19. e4 { [%eval -1.08] [%clk 0:20:00] } 19... Rbc8 { [%eval -1.15] [%clk 0:18:22] } 20. e5 { [%eval -1.58] [%clk 0:16:13] } 20... Qc7 { [%eval -1.42] [%clk 0:17:13] } 21. a5?! { [%eval -2.28] } { Inaccuracy. d5 was best. } { [%clk 0:14:46] } 21... b5 { [%eval -2.16] [%clk 0:16:29] } 22. Qb4 { [%eval -2.58] [%clk 0:12:45] } 22... Rfd8 { [%eval -2.84] [%clk 0:15:43] } 23. Rac1 { [%eval -2.85] [%clk 0:11:59] } 23... h6 { [%eval -2.65] [%clk 0:14:04] } 24. f4 { [%eval -2.72] [%clk 0:08:17] } 24... Bb7 { [%eval -2.72] [%clk 0:13:20] } 25. Qxb5 { [%eval -2.81] [%clk 0:07:46] } 25... Bxg2 { [%eval -2.77] [%clk 0:13:24] } 26. Kxg2 { [%eval -2.74] [%clk 0:07:55] } 26... Rd5 { [%eval -2.62] [%clk 0:13:13] } 27. Qb4 { [%eval -3.02] [%clk 0:07:03] } 27... Rxa5 { [%eval -3.17] [%clk 0:12:51] } 28. Kg3 { [%eval -3.07] [%clk 0:05:42] } 28... Rd5 { [%eval -2.72] [%clk 0:10:18] } 29. Qc3 { [%eval -3.12] [%clk 0:04:48] } 29... Rb5 { [%eval -3.3] [%clk 0:10:05] } 30. Rb1 { [%eval -3.13] [%clk 0:04:34] } 30... Qb7 { [%eval -3.21] [%clk 0:09:17] } 31. Rxb5 { [%eval -3.35] [%clk 0:02:59] } 31... Qxb5 { [%eval -3.25] [%clk 0:09:26] } 32. Ra1?! { [%eval -4.14] } { Inaccuracy. Rc1 was best. } { [%clk 0:02:46] } 32... Qb7?! { [%eval -3.29] } { Inaccuracy. Rb8 was best. } { [%clk 0:08:40] } 33. Ra4 { [%eval -3.58] [%clk 0:02:45] } 33... Qc7 { [%eval -2.99] [%clk 0:07:53] } 34. h4 { [%eval -3.47] [%clk 0:02:38] } 34... Qc6 { [%eval -3.56] [%clk 0:06:51] } 35. Rxa7 { [%eval -4.36] [%clk 0:01:58] } 35... Qh1? { [%eval -2.09] } { Mistake. Rb8 was best. } { [%clk 0:06:59] } 36. Ra1 { [%eval -2.01] [%clk 0:01:54] } 36... Qe4 { [%eval -2.07] [%clk 0:07:01] } 37. Re1 { [%eval -2.07] [%clk 0:01:50] } 37... Qd5 { [%eval -2.31] [%clk 0:07:10] } 38. Rc1? { [%eval -4.55] } { Mistake. Re2 was best. } { [%clk 0:01:50] } 38... Rb8 { [%eval -4.82] [%clk 0:07:04] } 39. Qd2 { [%eval -5.92] [%clk 0:00:25] } 39... Rb3+ { [%eval -5.92] [%clk 0:06:58] } 40. Rc3 { [%eval -5.96] [%clk 0:00:34] } 40... Qa5 { [%eval -5.95] [%clk 0:06:56] } 0-1