Event: Round 8: Tan, Justin - Kogan, Arthur
Date: 2025-06-12
White: Tan, Justin
WhiteTitle: GM
WhiteElo: 2403
Black: Kogan, Arthur
BlackTitle: GM
BlackElo: 2455
Result: 1-0
ECO: D25
Opening: Queen's Gambit Accepted: Janowski-Larsen Variation
Variant: Standard
TimeControl: 15+10

1. d4 { [%eval 0.17] [%clk 0:15:18] } 1... d5 { [%eval 0.2] [%clk 0:15:16] } 2. c4 { [%eval 0.18] [%clk 0:15:26] } 2... dxc4 { [%eval 0.28] [%clk 0:15:24] } 3. Nf3 { [%eval 0.19] [%clk 0:15:27] } 3... Nf6 { [%eval 0.28] [%clk 0:15:26] } 4. e3 { [%eval 0.18] [%clk 0:15:30] } 4... Bg4 { [%eval 0.41] [%clk 0:15:31] } 5. Bxc4 { [%eval 0.39] [%clk 0:15:36] } 5... e6 { [%eval 0.55] [%clk 0:15:39] } 6. h3 { [%eval 0.33] [%clk 0:15:40] } 6... Bh5 { [%eval 0.41] [%clk 0:15:42] } 7. O-O { [%eval 0.29] [%clk 0:15:05] } 7... Nbd7 { [%eval 0.4] [%clk 0:15:40] } 8. Nc3 { [%eval 0.37] [%clk 0:15:00] } 8... Bb4 { [%eval 0.34] [%clk 0:15:43] } 9. Be2 { [%eval 0.32] [%clk 0:13:55] } 9... O-O { [%eval 0.39] [%clk 0:15:19] } 10. Qb3 { [%eval 0.43] [%clk 0:13:48] } 10... c5 { [%eval 0.39] [%clk 0:14:27] } 11. dxc5 { [%eval 0.27] [%clk 0:13:03] } 11... Qa5 { [%eval 0.32] [%clk 0:14:18] } 12. c6 { [%eval 0.22] [%clk 0:12:22] } 12... bxc6 { [%eval 0.2] [%clk 0:14:13] } 13. Bd2 { [%eval 0.23] [%clk 0:12:08] } 13... Rab8 { [%eval 0.24] [%clk 0:13:19] } 14. Rfc1 { [%eval -0.09] [%clk 0:10:44] } 14... Be7 { [%eval 0.22] [%clk 0:07:37] } 15. Qc2 { [%eval 0.25] [%clk 0:10:11] } 15... Bg6 { [%eval 0.29] [%clk 0:07:40] } 16. Qd1 { [%eval 0.23] [%clk 0:09:51] } 16... Rfd8?! { [%eval 0.81] } { Inaccuracy. Qc7 was best. } { [%clk 0:06:43] } 17. Nd4 { [%eval 0.9] [%clk 0:09:06] } 17... Rdc8?! { [%eval 1.83] } { Inaccuracy. Ne5 was best. } { [%clk 0:04:23] } 18. Be1? { [%eval 0.32] } { Mistake. Na4 was best. } { [%clk 0:06:46] } 18... Ne5?? { [%eval 2.18] } { Blunder. Qb6 was best. } { [%clk 0:03:26] } 19. f4 { [%eval 2.14] [%clk 0:05:46] } 19... Ned7 { [%eval 2.01] [%clk 0:03:34] } 20. Bf3 { [%eval 2.07] [%clk 0:05:48] } 20... Qa6 { [%eval 1.92] [%clk 0:03:41] } 21. Qa4 { [%eval 1.92] [%clk 0:04:50] } 21... Rb6?! { [%eval 2.88] } { Inaccuracy. Qb6 was best. } { [%clk 0:03:14] } 22. Qxa6 { [%eval 2.88] [%clk 0:04:43] } 22... Rxa6 { [%eval 2.93] [%clk 0:03:23] } 23. Be2 { [%eval 3.01] [%clk 0:04:17] } 23... Rb6 { [%eval 2.89] [%clk 0:02:40] } 24. Na4 { [%eval 2.86] [%clk 0:04:25] } 24... c5 { [%eval 2.98] [%clk 0:02:14] } 25. Nxb6 { [%eval 2.92] [%clk 0:04:30] } 25... axb6 { [%eval 2.97] [%clk 0:02:23] } 26. Ba6 { [%eval 2.57] [%clk 0:03:00] } 26... Ra8 { [%eval 2.91] [%clk 0:01:44] } 27. Bb7 { [%eval 2.88] [%clk 0:03:08] } 27... Re8 { [%eval 2.73] [%clk 0:01:22] } 28. Nb5 { [%eval 2.63] [%clk 0:02:56] } 28... Be4 { [%eval 3.3] [%clk 0:01:08] } 29. Bxe4 { [%eval 3.16] [%clk 0:03:03] } 29... Nxe4 { [%eval 3.37] [%clk 0:01:17] } 30. Rc4 { [%eval 3.02] [%clk 0:03:01] } 30... Ndf6?! { [%eval 3.97] } { Inaccuracy. f5 was best. } { [%clk 0:01:03] } 31. Rd1 { [%eval 3.88] [%clk 0:03:00] } 31... h5 { [%eval 4.1] [%clk 0:00:55] } 32. g4 { [%eval 3.96] [%clk 0:03:00] } 32... hxg4 { [%eval 3.89] [%clk 0:00:59] } 33. hxg4 { [%eval 3.91] [%clk 0:03:09] } 33... g5 { [%eval 4.06] [%clk 0:01:07] } 34. Kg2 { [%eval 4.22] [%clk 0:02:57] } 34... Ra8 { [%eval 4.37] [%clk 0:00:42] } 35. a3 { [%eval 4.21] [%clk 0:03:02] } 1-0