Event: FIDE U16 Olympiad_boards_1-80
Date: 2023-08-15
White: Robert Ernst
Black: Mariia Manko
Result: 1/2-1/2
ECO: A57
Opening: Benko Gambit Accepted: Dlugy Variation
Variant: Standard
TimeControl: 2700+10

1. d4 { [%eval 0.0] [%clk 0:45:19] } 1... Nf6 { [%eval 0.28] [%clk 0:45:19] } 2. c4 { [%eval 0.16] [%clk 0:45:28] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 0:45:28] } 3. d5 { [%eval 0.75] [%clk 0:45:37] } 3... b5 { [%eval 0.83] [%clk 0:45:36] } 4. cxb5 { [%eval 0.8] [%clk 0:45:45] } 4... a6 { [%eval 0.74] [%clk 0:45:46] } 5. f3?! { [%eval 0.0] } { Inaccuracy. e3 was best. } { [%clk 0:45:54] } 5... e6 { [%eval 0.0] [%clk 0:44:58] } 6. e4 { [%eval 0.0] [%clk 0:46:03] } 6... exd5 { [%eval 0.36] [%clk 0:39:08] } 7. e5 { [%eval 0.0] [%clk 0:46:12] } 7... Qe7 { [%eval 0.0] [%clk 0:38:54] } 8. Qe2 { [%eval 0.32] [%clk 0:46:20] } 8... Ng8 { [%eval 0.3] [%clk 0:37:43] } 9. Nc3 { [%eval 0.32] [%clk 0:46:29] } 9... Bb7 { [%eval 0.27] [%clk 0:34:16] } 10. Nh3 { [%eval 0.22] [%clk 0:46:37] } 10... c4 { [%eval 0.32] [%clk 0:22:59] } 11. Nf4?! { [%eval -0.25] } { Inaccuracy. Be3 was best. } { [%clk 0:46:45] } 11... Qc5 { [%eval 0.0] [%clk 0:21:43] } 12. Nfxd5 { [%eval 0.0] [%clk 0:46:53] } 12... Bxd5 { [%eval 0.0] [%clk 0:20:36] } 13. Be3 { [%eval 0.0] [%clk 0:47:02] } 13... Qb4 { [%eval 0.0] [%clk 0:20:39] } 14. a3 { [%eval 0.0] [%clk 0:47:11] } 14... Qa5 { [%eval 0.0] [%clk 0:20:25] } 15. Bd2 { [%eval 0.0] [%clk 0:47:21] } 15... Bb7? { [%eval 1.38] } { Mistake. Be6 was best. } { [%clk 0:09:55] } 16. Nd5 { [%eval 1.44] [%clk 0:46:56] } 16... c3?? { [%eval 4.13] } { Blunder. Qd8 was best. } { [%clk 0:10:04] } 17. Bxc3 { [%eval 4.21] [%clk 0:46:52] } 17... Qd8 { [%eval 4.21] [%clk 0:09:58] } 18. Qc4?? { [%eval 1.44] } { Blunder. Nf6+ was best. } { [%clk 0:46:54] } 18... Be7?! { [%eval 2.52] } { Inaccuracy. Bxd5 was best. } { [%clk 0:08:38] } 19. Nc7+ { [%eval 2.36] [%clk 0:44:17] } 19... Kf8 { [%eval 2.56] [%clk 0:08:47] } 20. Nxa8 { [%eval 2.18] [%clk 0:43:17] } 20... Bxa8?! { [%eval 3.34] } { Inaccuracy. axb5 was best. } { [%clk 0:08:55] } 21. bxa6 { [%eval 3.27] [%clk 0:43:06] } 21... h5 { [%eval 3.33] [%clk 0:06:26] } 22. b4?! { [%eval 2.55] } { Inaccuracy. O-O-O was best. } { [%clk 0:42:07] } 22... Rh6 { [%eval 2.46] [%clk 0:06:27] } 23. b5 { [%eval 2.44] [%clk 0:41:38] } 23... d5 { [%eval 2.25] [%clk 0:04:33] } 24. Qd4 { [%eval 2.52] [%clk 0:39:32] } 24... Nd7 { [%eval 2.29] [%clk 0:04:36] } 25. Be2 { [%eval 2.3] [%clk 0:32:54] } 25... Bc5 { [%eval 2.68] [%clk 0:01:10] } 26. Bb4 { [%eval 2.9] [%clk 0:32:56] } 26... Bxb4+ { [%eval 2.72] [%clk 0:01:02] } 27. Qxb4+ { [%eval 2.64] [%clk 0:32:46] } 27... Ne7 { [%eval 2.87] [%clk 0:01:10] } 28. a4 { [%eval 2.82] [%clk 0:28:20] } 28... Nxe5 { [%eval 2.96] [%clk 0:00:39] } 29. a5 { [%eval 2.78] [%clk 0:25:51] } 29... d4 { [%eval 2.8] [%clk 0:00:47] } 30. b6 { [%eval 3.33] [%clk 0:24:57] } 30... d3 { [%eval 3.53] [%clk 0:00:42] } 31. b7 { [%eval 4.2] [%clk 0:00:13] } 31... Qb6?? { [%eval #2] } { Checkmate is now unavoidable. Bxb7 was best. } { [%clk 0:00:16] } 32. Rd1?? { [%eval -7.92] } { Lost forced checkmate sequence. bxa8=Q+ was best. } { [%clk 0:18:11] } 32... Re6?? { [%eval #2] } { Checkmate is now unavoidable. Qxb4+ was best. } { [%clk 0:00:13] } 33. Qb5?? { [%eval -2.51] } { Lost forced checkmate sequence. bxa8=Q+ was best. } { [%clk 0:15:17] } 33... Qd4?? { [%eval 13.02] } { Blunder. Qxb5 was best. } { [%clk 0:15:25] } 34. Qb2?? { [%eval -0.03] } { Blunder. bxa8=Q+ was best. } { [%clk 0:14:32] } 34... Kg8?? { [%eval 16.52] } { Blunder. Qxb2 was best. } { [%clk 0:00:11] } 35. Rb1?? { [%eval 1.32] } { Blunder. bxa8=Q+ was best. } { [%clk 0:04:53] } 35... h4?? { [%eval 16.94] } { Blunder. Nxf3+ was best. } { [%clk 0:00:38] } 36. a7? { [%eval 5.6] } { Mistake. bxa8=Q+ was best. } { [%clk 0:00:51] } 36... Qd8 { [%eval 6.22] [%clk 0:00:43] } 37. h3?? { [%eval 0.0] } { Blunder. bxa8=Q was best. } { [%clk 0:00:39] } 37... g6?? { [%eval 7.05] } { Blunder. Bxb7 was best. } { [%clk 0:01:37] } 38. g3?? { [%eval -5.5] } { Blunder. b8=Q was best. } { [%clk 0:03:34] } 38... Ra6?? { [%eval 8.45] } { Blunder. Nxf3+ was best. } { [%clk 0:02:34] } 39. f4?? { [%eval -0.28] } { Blunder. b8=Q was best. } { [%clk 0:04:23] } 39... Kg7?? { [%eval 8.74] } { Blunder. Bxb7 was best. } { [%clk 0:04:03] } 40. Ra1?? { [%eval -3.68] } { Blunder. Qxe5+ was best. } { [%clk 0:00:45] } 40... Rb6?? { [%eval 8.21] } { Blunder. Bxb7 was best. } { [%clk 0:04:46] } 41. Ra4?? { [%eval -14.24] } { Blunder. Qxe5+ was best. } { [%clk 0:05:15] } 41... Rb4?? { [%eval 9.43] } { Blunder. Rxb2 was best. } { [%clk 0:01:09] } 42. g4?? { [%eval #-12] } { Checkmate is now unavoidable. Qxe5+ was best. } { [%clk 0:01:07] } 42... f5?? { [%eval 13.1] } { Lost forced checkmate sequence. Rxb2 was best. } { [%clk 0:01:42] } 1/2-1/2