Event: Round 4: Bortnyk, Mykola - Sun, Ryan
Date: 2025-02-15
White: Bortnyk, Mykola
WhiteTitle: IM
WhiteElo: 2394
Black: Sun, Ryan
BlackTitle: FM
BlackElo: 2327
Result: 1-0
ECO: C79
Opening: Ruy Lopez: Morphy Defense, Steinitz Deferred
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:11:14] } 1... e5 { [%eval 0.21] [%clk 1:30:56] } 2. Nf3 { [%eval 0.13] [%clk 1:11:09] } 2... Nc6 { [%eval 0.17] [%clk 1:31:21] } 3. Bb5 { [%eval 0.08] [%clk 1:11:31] } 3... a6 { [%eval 0.21] [%clk 1:31:47] } 4. Ba4 { [%eval 0.27] [%clk 1:11:54] } 4... Nf6 { [%eval 0.18] [%clk 1:32:12] } 5. O-O { [%eval 0.13] [%clk 1:12:06] } 5... d6 { [%eval 0.35] [%clk 1:32:23] } 6. Re1 { [%eval 0.27] [%clk 1:10:59] } 6... Bd7 { [%eval 0.46] [%clk 1:32:48] } 7. c3 { [%eval 0.49] [%clk 1:11:09] } 7... g6 { [%eval 0.44] [%clk 1:33:13] } 8. d4 { [%eval 0.54] [%clk 1:10:45] } 8... Bg7 { [%eval 0.47] [%clk 1:33:39] } 9. Nbd2 { [%eval 0.28] [%clk 1:09:57] } 9... O-O { [%eval 0.32] [%clk 1:34:01] } 10. Nf1 { [%eval 0.19] [%clk 1:09:56] } 10... exd4 { [%eval 0.16] [%clk 1:34:18] } 11. cxd4 { [%eval 0.13] [%clk 1:09:52] } 11... b5 { [%eval 0.11] [%clk 1:34:44] } 12. Bc2 { [%eval -0.29] [%clk 1:10:05] } 12... Bg4 { [%eval -0.35] [%clk 1:35:08] } 13. Be3 { [%eval -0.35] [%clk 1:09:36] } 13... Nh5 { [%eval -0.32] [%clk 1:35:33] } 14. Ng3 { [%eval -0.46] [%clk 1:02:14] } 14... Qf6 { [%eval -0.46] [%clk 1:35:25] } 15. e5?! { [%eval -1.04] } { Inaccuracy. a4 was best. } { [%clk 0:56:54] } 15... dxe5 { [%eval -1.04] [%clk 1:33:53] } 16. Ne4 { [%eval -1.1] [%clk 0:56:51] } 16... Qd8 { [%eval -0.74] [%clk 1:28:31] } 17. d5?! { [%eval -1.45] } { Inaccuracy. dxe5 was best. } { [%clk 0:57:05] } 17... Nd4 { [%eval -1.61] [%clk 1:17:59] } 18. Bxd4 { [%eval -1.52] [%clk 0:56:52] } 18... exd4 { [%eval -1.61] [%clk 1:18:23] } 19. h3 { [%eval -1.45] [%clk 0:57:18] } 19... Bxf3?! { [%eval -0.69] } { Inaccuracy. Bc8 was best. } { [%clk 1:17:24] } 20. Qxf3 { [%eval -0.63] [%clk 0:57:45] } 20... Nf6 { [%eval -0.36] [%clk 1:05:50] } 21. Bb3?! { [%eval -1.34] } { Inaccuracy. Nxf6+ was best. } { [%clk 0:56:46] } 21... Nxe4 { [%eval -1.09] [%clk 1:04:03] } 22. Rxe4 { [%eval -1.0] [%clk 0:56:47] } 22... a5 { [%eval -1.16] [%clk 1:04:27] } 23. a4 { [%eval -0.87] [%clk 0:54:26] } 23... Rb8 { [%eval -0.96] [%clk 1:00:52] } 24. h4?! { [%eval -1.71] } { Inaccuracy. g3 was best. } { [%clk 0:52:38] } 24... Qd6?! { [%eval -0.82] } { Inaccuracy. bxa4 was best. } { [%clk 0:54:57] } 25. h5?! { [%eval -1.61] } { Inaccuracy. axb5 was best. } { [%clk 0:52:47] } 25... bxa4 { [%eval -1.57] [%clk 0:53:00] } 26. Rxa4 { [%eval -1.52] [%clk 0:53:11] } 26... Qb6 { [%eval -1.58] [%clk 0:53:27] } 27. Ra3 { [%eval -1.61] [%clk 0:48:38] } 27... d3 { [%eval -1.56] [%clk 0:48:01] } 28. Bc4? { [%eval -3.09] } { Mistake. Bd1 was best. } { [%clk 0:38:59] } 28... d2 { [%eval -3.4] [%clk 0:48:09] } 29. Rd3 { [%eval -3.63] [%clk 0:38:35] } 29... Qxb2 { [%eval -3.34] [%clk 0:47:53] } 30. Kh2 { [%eval -3.36] [%clk 0:38:22] } 30... Qc1 { [%eval -3.29] [%clk 0:44:15] } 31. d6 { [%eval -3.22] [%clk 0:38:19] } 31... cxd6 { [%eval -3.1] [%clk 0:43:11] } 32. hxg6 { [%eval -2.74] [%clk 0:38:45] } 32... hxg6 { [%eval -2.94] [%clk 0:33:16] } 33. Rxd6 { [%eval -2.88] [%clk 0:35:23] } 33... Be5+?! { [%eval -1.75] } { Inaccuracy. Qxc4 was best. } { [%clk 0:26:39] } 34. Rxe5 { [%eval -1.61] [%clk 0:35:23] } 34... Qxc4 { [%eval -1.59] [%clk 0:27:05] } 35. Qg3?? { [%eval -5.56] } { Blunder. Rxd2 was best. } { [%clk 0:31:16] } 35... Kg7 { [%eval -5.4] [%clk 0:22:27] } 36. Rh5 { [%eval -5.19] [%clk 0:31:28] } 36... Rbe8?? { [%eval 0.0] } { Blunder. Rb5 was best. } { [%clk 0:21:46] } 37. Qg5 { [%eval 0.06] [%clk 0:31:33] } 1-0