Event: SixDays Three Years GM-A
Site: https://lichess.org/broadcast/sixdays-budapest-three-years--gm-a/round-4/1U4aQ8tS/0gQ2tDV7
Date: 2025-09-18
White: Kovchan, Alexander
WhiteTitle: GM
WhiteElo: 2455
Black: Goh, Zi Han
BlackTitle: FM
BlackElo: 2266
Result: 1-0
ECO: B91
Opening: Sicilian Defense: Najdorf Variation, Zagreb Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:29:24] } 1... c5 { [%eval 0.24] [%clk 1:29:46] } 2. Nf3 { [%eval 0.2] [%clk 1:29:45] } 2... d6 { [%eval 0.31] [%clk 1:30:09] } 3. d4 { [%eval 0.22] [%clk 1:30:08] } 3... cxd4 { [%eval 0.19] [%clk 1:30:32] } 4. Nxd4 { [%eval 0.18] [%clk 1:30:33] } 4... Nf6 { [%eval 0.31] [%clk 1:30:53] } 5. Nc3 { [%eval 0.32] [%clk 1:30:57] } 5... a6 { [%eval 0.25] [%clk 1:31:15] } 6. g3 { [%eval 0.08] [%clk 1:31:10] } 6... e5 { [%eval 0.04] [%clk 1:30:47] } 7. Nde2 { [%eval 0.06] [%clk 1:31:31] } 7... Be7 { [%eval 0.15] [%clk 1:29:29] } 8. Bg2 { [%eval 0.02] [%clk 1:31:47] } 8... b5 { [%eval 0.1] [%clk 1:28:08] } 9. Nd5 { [%eval 0.01] [%clk 1:32:03] } 9... Nxd5 { [%eval 0.2] [%clk 1:27:38] } 10. Qxd5 { [%eval 0.16] [%clk 1:32:23] } 10... Ra7 { [%eval 0.17] [%clk 1:27:47] } 11. Be3 { [%eval 0.17] [%clk 1:32:30] } 11... Be6 { [%eval 0.28] [%clk 1:25:43] } 12. Qd2 { [%eval 0.28] [%clk 1:32:36] } 12... Rb7 { [%eval 0.38] [%clk 1:22:20] } 13. Nc3 { [%eval 0.3] [%clk 1:32:44] } 13... Nd7 { [%eval 0.28] [%clk 1:20:43] } 14. Nd5 { [%eval 0.29] [%clk 1:32:48] } 14... Bxd5 { [%eval 0.38] [%clk 1:11:06] } 15. Qxd5 { [%eval 0.4] [%clk 1:33:01] } 15... Qc7 { [%eval 0.41] [%clk 1:10:46] } 16. O-O { [%eval 0.44] [%clk 1:33:00] } 16... O-O { [%eval 0.39] [%clk 1:10:48] } 17. b3 { [%eval 0.39] [%clk 1:30:50] } 17... Nf6 { [%eval 0.43] [%clk 1:10:18] } 18. Qd3 { [%eval 0.39] [%clk 1:30:44] } 18... Rc8 { [%eval 0.65] [%clk 1:07:49] } 19. Rfc1 { [%eval 0.66] [%clk 1:30:20] } 19... Qc6 { [%eval 0.95] [%clk 0:58:18] } 20. a4 { [%eval 0.76] [%clk 1:26:46] } 20... b4 { [%eval 1.28] [%clk 0:56:58] } 21. a5 { [%eval 1.34] [%clk 1:25:28] } 21... Rb5 { [%eval 1.33] [%clk 0:49:49] } 22. Bd2?! { [%eval 0.36] } { Inaccuracy. Bh3 was best. } { [%clk 1:22:20] } 22... Qb7 { [%eval 0.39] [%clk 0:46:20] } 23. Be1 { [%eval 0.0] [%clk 1:18:18] } 23... h6 { [%eval 0.23] [%clk 0:43:44] } 24. h4 { [%eval 0.0] [%clk 1:17:26] } 24... Bd8 { [%eval 0.0] [%clk 0:39:39] } 25. Ra4 { [%eval 0.0] [%clk 0:57:43] } 25... Bxa5 { [%eval 0.01] [%clk 0:38:38] } 26. Rca1 { [%eval 0.0] [%clk 0:57:39] } 26... Bb6 { [%eval 0.0] [%clk 0:38:42] } 27. Rxa6 { [%eval 0.0] [%clk 0:56:28] } 27... Bd4 { [%eval 0.26] [%clk 0:38:15] } 28. R1a2 { [%eval 0.0] [%clk 0:56:03] } 28... Rc6?? { [%eval 3.31] } { Blunder. Rbc5 was best. } { [%clk 0:31:00] } 29. Ra8+ { [%eval 3.36] [%clk 0:49:47] } 29... Kh7 { [%eval 3.16] [%clk 0:31:25] } 30. Rf8? { [%eval 1.47] } { Mistake. Bf1 was best. } { [%clk 0:46:19] } 30... Rbc5 { [%eval 1.56] [%clk 0:13:15] } 31. Raa8 { [%eval 1.61] [%clk 0:36:24] } 31... Rc3 { [%eval 1.45] [%clk 0:12:03] } 32. Qe2 { [%eval 1.59] [%clk 0:15:06] } 32... Rxg3? { [%eval 2.91] } { Mistake. Rc8 was best. } { [%clk 0:11:42] } 33. Kf1?! { [%eval 2.09] } { Inaccuracy. Kh2 was best. } { [%clk 0:07:53] } 33... Rg4?! { [%eval 2.96] } { Inaccuracy. Rgc3 was best. } { [%clk 0:11:30] } 34. Bh3 { [%eval 2.77] [%clk 0:07:12] } 34... Rxh4?? { [%eval 6.34] } { Blunder. h5 was best. } { [%clk 0:05:16] } 35. Rh8+ { [%eval 6.44] [%clk 0:05:39] } 35... Kg6 { [%eval 6.07] [%clk 0:05:43] } 36. Qf3 { [%eval 5.8] [%clk 0:05:20] } 36... Qb5+?! { [%eval 8.28] } { Inaccuracy. Rf4 was best. } { [%clk 0:02:36] } 37. Kg2 { [%eval 5.32] [%clk 0:05:42] } 37... Rf4 { [%eval 5.1] [%clk 0:02:53] } 38. Qg3+ { [%eval 5.12] [%clk 0:05:29] } 38... Kh5 { [%eval 5.14] [%clk 0:02:52] } 39. Qxg7 { [%eval 4.73] [%clk 0:05:39] } 39... Ng4?? { [%eval #5] } { Checkmate is now unavoidable. Nh7 was best. } { [%clk 0:03:19] } 40. Rag8 { [%eval #4] [%clk 0:05:03] } 40... Qe2 { [%eval #1] [%clk 0:01:33] } 41. Qg5# { [%clk 0:05:21] } 1-0