Event: Round 9: Bortnyk, Mykola - Pereyra, Juan
Date: 2025-07-20
White: Bortnyk, Mykola
WhiteTitle: IM
WhiteElo: 2381
Black: Pereyra, Juan
BlackTitle: FM
BlackElo: 2304
Result: 1-0
ECO: B06
Opening: Modern Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:22:34] } 1... g6 { [%eval 0.5] [%clk 1:30:40] } 2. d4 { [%eval 0.48] [%clk 1:22:17] } 2... Bg7 { [%eval 0.48] [%clk 1:30:59] } 3. Nf3 { [%eval 0.32] [%clk 1:21:33] } 3... d6 { [%eval 0.43] [%clk 1:30:49] } 4. Bc4 { [%eval 0.28] [%clk 1:21:56] } 4... Nf6 { [%eval 0.32] [%clk 1:29:49] } 5. Qe2 { [%eval 0.28] [%clk 1:22:17] } 5... O-O { [%eval 0.3] [%clk 1:28:59] } 6. h3 { [%eval 0.12] [%clk 1:22:25] } 6... c6 { [%eval 0.3] [%clk 1:20:03] } 7. Bb3 { [%eval 0.16] [%clk 1:20:36] } 7... e5 { [%eval 0.14] [%clk 1:18:39] } 8. dxe5 { [%eval 0.01] [%clk 1:19:37] } 8... dxe5 { [%eval 0.11] [%clk 1:18:59] } 9. O-O { [%eval 0.1] [%clk 1:19:38] } 9... Qe7 { [%eval 0.34] [%clk 1:13:55] } 10. c3 { [%eval 0.15] [%clk 1:19:06] } 10... Nbd7 { [%eval 0.06] [%clk 1:11:17] } 11. Bc2 { [%eval 0.04] [%clk 1:19:09] } 11... Nh5 { [%eval 0.16] [%clk 1:10:26] } 12. Rd1 { [%eval 0.18] [%clk 1:17:15] } 12... Nc5 { [%eval 0.4] [%clk 1:08:34] } 13. Be3 { [%eval 0.0] [%clk 1:17:11] } 13... Ne6 { [%eval 0.42] [%clk 1:01:55] } 14. g3 { [%eval 0.0] [%clk 1:16:33] } 14... b6 { [%eval 0.44] [%clk 0:57:40] } 15. a4?! { [%eval -0.39] } { Inaccuracy. Nbd2 was best. } { [%clk 1:15:13] } 15... Nc7?! { [%eval 0.3] } { Inaccuracy. f5 was best. } { [%clk 0:49:19] } 16. Kh2 { [%eval 0.29] [%clk 1:13:07] } 16... Rd8 { [%eval 0.8] [%clk 0:38:05] } 17. Rxd8+ { [%eval 0.96] [%clk 1:10:33] } 17... Qxd8 { [%eval 0.95] [%clk 0:38:30] } 18. a5 { [%eval 0.79] [%clk 1:10:51] } 18... Qd7 { [%eval 0.9] [%clk 0:36:03] } 19. g4 { [%eval 0.69] [%clk 1:09:39] } 19... Nf4 { [%eval 0.5] [%clk 0:34:09] } 20. Bxf4 { [%eval 0.01] [%clk 1:10:03] } 20... exf4 { [%eval 0.12] [%clk 0:34:26] } 21. axb6 { [%eval 0.0] [%clk 1:10:26] } 21... axb6 { [%eval 0.0] [%clk 0:34:43] } 22. Rxa8 { [%eval -0.05] [%clk 1:10:42] } 22... Nxa8 { [%eval 0.0] [%clk 0:35:11] } 23. Qd2 { [%eval -0.06] [%clk 1:07:33] } 23... Qxd2 { [%eval -0.05] [%clk 0:32:09] } 24. Nbxd2 { [%eval -0.11] [%clk 1:07:58] } 24... h6 { [%eval -0.02] [%clk 0:32:33] } 25. e5 { [%eval -0.01] [%clk 1:08:09] } 25... Nc7 { [%eval 0.0] [%clk 0:28:32] } 26. Be4 { [%eval 0.0] [%clk 1:06:59] } 26... c5 { [%eval 0.0] [%clk 0:27:49] } 27. Bc6 { [%eval -0.11] [%clk 1:06:29] } 27... Be6 { [%eval -0.08] [%clk 0:27:50] } 28. c4 { [%eval -0.25] [%clk 1:02:59] } 28... f5 { [%eval -0.12] [%clk 0:26:21] } 29. exf6 { [%eval -0.06] [%clk 1:03:07] } 29... Bxf6 { [%eval -0.04] [%clk 0:27:12] } 30. b3 { [%eval -0.08] [%clk 1:03:32] } 30... Kg7 { [%eval -0.09] [%clk 0:26:24] } 31. Kg2 { [%eval -0.14] [%clk 1:03:48] } 31... Na6 { [%eval -0.1] [%clk 0:26:37] } 32. Ng1 { [%eval -0.12] [%clk 1:00:57] } 32... Nb4 { [%eval -0.11] [%clk 0:26:45] } 33. Be4 { [%eval -0.14] [%clk 1:01:24] } 33... Bc3 { [%eval -0.14] [%clk 0:26:25] } 34. Nb1 { [%eval -0.18] [%clk 1:01:43] } 34... Be5 { [%eval -0.15] [%clk 0:26:00] } 35. Ne2 { [%eval -0.14] [%clk 1:02:04] } 35... Kf6 { [%eval -0.11] [%clk 0:25:27] } 36. Kf3 { [%eval -0.19] [%clk 1:02:07] } 36... g5 { [%eval -0.17] [%clk 0:25:42] } 37. Ng1 { [%eval -0.34] [%clk 0:59:30] } 37... Na2 { [%eval -0.25] [%clk 0:22:02] } 38. Bd5?! { [%eval -1.09] } { Inaccuracy. Bc2 was best. } { [%clk 0:56:46] } 38... Bd7?! { [%eval -0.3] } { Inaccuracy. Bxd5+ was best. } { [%clk 0:24:28] } 39. Nd2 { [%eval -0.34] [%clk 0:56:32] } 39... Bc3 { [%eval -0.08] [%clk 0:21:30] } 40. Ne4+ { [%eval -0.26] [%clk 0:56:51] } 40... Ke5?? { [%eval 4.32] } { Blunder. Ke7 was best. } { [%clk 0:21:52] } 41. Ke2 { [%eval 4.29] [%clk 0:56:58] } 41... f3+ { [%eval 4.27] [%clk 0:20:22] } 42. Nxf3+ { [%eval 4.07] [%clk 0:57:21] } 42... Kf4 { [%eval 4.12] [%clk 0:20:50] } 43. Ng3 { [%eval 3.97] [%clk 0:57:37] } 43... Be8?? { [%eval #4] } { Checkmate is now unavoidable. Bxg4 was best. } { [%clk 0:20:35] } 44. Kd1 { [%eval #3] [%clk 0:57:55] } 1-0