Event: Round 4: Yu, Zhongbo - Kocak, Yavuz Aydin
Date: 2025-07-31
White: Yu, Zhongbo
WhiteElo: 1568
Black: Kocak, Yavuz Aydin
Result: 0-1
ECO: C25
Opening: Vienna Gambit, with Max Lange Defense
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:03] } 1... e5 { [%eval 0.22] [%clk 0:03:04] } 2. Nc3 { [%eval 0.08] [%clk 0:03:04] } 2... Nc6 { [%eval 0.07] [%clk 0:03:04] } 3. f4?! { [%eval -0.53] } { Inaccuracy. Nge2 was best. } { [%clk 0:03:06] } 3... d6 { [%eval 0.0] [%clk 0:03:03] } 4. Nf3 { [%eval 0.14] [%clk 0:03:06] } 4... Nf6 { [%eval 0.38] [%clk 0:03:03] } 5. Bb5 { [%eval 0.32] [%clk 0:03:01] } 5... exf4 { [%eval 0.38] [%clk 0:02:46] } 6. d3 { [%eval 0.16] [%clk 0:03:02] } 6... Bd7 { [%eval 0.61] [%clk 0:02:46] } 7. Bxf4 { [%eval 0.45] [%clk 0:03:03] } 7... a6 { [%eval 0.56] [%clk 0:02:45] } 8. Bc4 { [%eval 0.38] [%clk 0:03:02] } 8... Be7 { [%eval 0.48] [%clk 0:02:44] } 9. Ng5?! { [%eval -0.27] } { Inaccuracy. d4 was best. } { [%clk 0:03:01] } 9... O-O { [%eval -0.25] [%clk 0:02:41] } 10. O-O { [%eval -0.27] [%clk 0:02:57] } 10... Qc8?! { [%eval 0.66] } { Inaccuracy. b5 was best. } { [%clk 0:02:22] } 11. Nf3 { [%eval 0.17] [%clk 0:02:22] } 11... Be6 { [%eval 0.25] [%clk 0:02:20] } 12. Bxe6 { [%eval 0.06] [%clk 0:02:16] } 12... fxe6 { [%eval 0.1] [%clk 0:02:18] } 13. d4?! { [%eval -0.89] } { Inaccuracy. Ne2 was best. } { [%clk 0:02:14] } 13... d5?! { [%eval 0.03] } { Inaccuracy. Nxe4 was best. } { [%clk 0:02:11] } 14. exd5 { [%eval 0.08] [%clk 0:02:01] } 14... exd5 { [%eval 0.15] [%clk 0:02:12] } 15. Re1 { [%eval -0.11] [%clk 0:01:54] } 15... Qd7 { [%eval 0.0] [%clk 0:02:05] } 16. Ne5 { [%eval -0.04] [%clk 0:01:52] } 16... Nxe5 { [%eval 0.0] [%clk 0:02:00] } 17. Bxe5 { [%eval -0.44] [%clk 0:01:51] } 17... Rfe8 { [%eval -0.01] [%clk 0:01:53] } 18. Qf3 { [%eval -0.15] [%clk 0:01:34] } 18... Qg4? { [%eval 1.28] } { Mistake. Rf8 was best. } { [%clk 0:01:33] } 19. Bxf6? { [%eval -0.36] } { Mistake. Nxd5 was best. } { [%clk 0:01:24] } 19... Qxf3 { [%eval -0.41] [%clk 0:01:28] } 20. gxf3 { [%eval -0.51] [%clk 0:01:24] } 20... Bxf6 { [%eval -0.55] [%clk 0:01:28] } 21. Nxd5 { [%eval -0.43] [%clk 0:01:22] } 21... Bxd4+ { [%eval -0.48] [%clk 0:01:28] } 22. Kg2?? { [%eval -2.36] } { Blunder. Kh1 was best. } { [%clk 0:01:20] } 22... Bb6?? { [%eval 0.01] } { Blunder. Bxb2 was best. } { [%clk 0:01:14] } 23. Nxb6 { [%eval 0.0] [%clk 0:01:08] } 23... cxb6 { [%eval 0.0] [%clk 0:01:15] } 24. Rad1 { [%eval 0.0] [%clk 0:01:07] } 24... Rad8 { [%eval 0.0] [%clk 0:01:13] } 25. Rxe8+ { [%eval -0.01] [%clk 0:00:24] } 25... Rxe8 { [%eval 0.0] [%clk 0:01:13] } 26. Kf2 { [%eval 0.0] [%clk 0:00:25] } 26... Re7 { [%eval 0.06] [%clk 0:01:08] } 27. Rd8+ { [%eval 0.03] [%clk 0:00:24] } 27... Kf7 { [%eval 0.0] [%clk 0:01:09] } 28. Rd6 { [%eval 0.0] [%clk 0:00:22] } 28... Re6 { [%eval 0.0] [%clk 0:01:07] } 29. Rd7+ { [%eval 0.0] [%clk 0:00:19] } 29... Re7 { [%eval 0.0] [%clk 0:01:08] } 30. Rxe7+ { [%eval 0.0] [%clk 0:00:07] } 30... Kxe7 { [%eval 0.0] [%clk 0:01:09] } 31. Ke3 { [%eval 0.0] [%clk 0:00:08] } 31... Ke6 { [%eval 0.0] [%clk 0:01:10] } 32. Ke4 { [%eval 0.0] [%clk 0:00:10] } 32... g6 { [%eval 0.21] [%clk 0:01:11] } 33. h4 { [%eval 0.0] [%clk 0:00:11] } 33... h5?? { [%eval 3.35] } { Blunder. b5 was best. } { [%clk 0:01:11] } 34. c4?? { [%eval 0.0] } { Blunder. Kf4 was best. } { [%clk 0:00:11] } 34... a5?? { [%eval 6.2] } { Blunder. Kf6 was best. } { [%clk 0:01:09] } 35. Kf4 { [%eval 5.77] [%clk 0:00:11] } 35... Kf6 { [%eval 5.89] [%clk 0:01:09] } 36. a3?? { [%eval -7.27] } { Blunder. a4 was best. } { [%clk 0:00:11] } 36... a4 { [%eval -7.16] [%clk 0:01:08] } 37. Ke4 { [%eval -7.22] [%clk 0:00:05] } 37... g5 { [%eval -6.62] [%clk 0:01:05] } 0-1