Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-23
White: Arfan, Aditya Bagus
WhiteTitle: IM
WhiteElo: 2385
Black: Chen, Zhi
BlackElo: 2246
Result: 1-0
ECO: A15
Opening: English Opening: Anglo-Indian Defense, Slav Formation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. Nf3 { [%eval 0.1] [%clk 1:39:38] } 1... Nf6 { [%eval 0.18] [%clk 1:40:51] } 2. c4 { [%eval 0.12] [%clk 1:39:57] } 2... c6 { [%eval 0.24] [%clk 1:41:03] } 3. g3 { [%eval 0.16] [%clk 1:39:09] } 3... g6 { [%eval 0.29] [%clk 1:41:24] } 4. b3 { [%eval 0.22] [%clk 1:39:11] } 4... Bg7 { [%eval 0.27] [%clk 1:41:47] } 5. Bb2 { [%eval 0.14] [%clk 1:39:38] } 5... d5 { [%eval 0.2] [%clk 1:41:05] } 6. Bg2 { [%eval 0.19] [%clk 1:40:00] } 6... O-O { [%eval 0.27] [%clk 1:41:24] } 7. O-O { [%eval 0.15] [%clk 1:40:22] } 7... Re8 { [%eval 0.21] [%clk 1:38:54] } 8. Qc2 { [%eval 0.17] [%clk 1:33:56] } 8... Bg4 { [%eval 0.25] [%clk 1:31:04] } 9. h3 { [%eval -0.2] [%clk 1:16:54] } 9... Bxf3 { [%eval -0.24] [%clk 1:32:09] } 10. Bxf3 { [%eval -0.16] [%clk 1:17:19] } 10... e5 { [%eval -0.2] [%clk 1:31:35] } 11. Bg2 { [%eval -0.21] [%clk 1:15:47] } 11... Na6 { [%eval -0.15] [%clk 1:30:31] } 12. a3 { [%eval -0.22] [%clk 1:14:31] } 12... Nc7 { [%eval -0.27] [%clk 1:29:40] } 13. d3 { [%eval -0.17] [%clk 1:09:37] } 13... h5 { [%eval -0.13] [%clk 1:20:44] } 14. cxd5 { [%eval -0.61] [%clk 0:56:39] } 14... Ncxd5?! { [%eval 0.37] } { Inaccuracy. cxd5 was best. } { [%clk 1:14:44] } 15. h4 { [%eval 0.31] [%clk 0:55:33] } 15... Ng4 { [%eval 0.34] [%clk 1:03:52] } 16. Nd2 { [%eval 0.28] [%clk 0:54:13] } 16... Ne7 { [%eval 0.39] [%clk 1:01:51] } 17. b4 { [%eval 0.32] [%clk 0:46:25] } 17... Nf5 { [%eval 0.27] [%clk 1:01:19] } 18. a4 { [%eval 0.21] [%clk 0:43:08] } 18... Rc8 { [%eval 0.4] [%clk 0:50:28] } 19. Rab1 { [%eval 0.31] [%clk 0:41:55] } 19... Nd4 { [%eval 0.21] [%clk 0:47:01] } 20. Qd1 { [%eval 0.23] [%clk 0:40:44] } 20... Rc7 { [%eval 0.23] [%clk 0:47:06] } 21. Ba1 { [%eval -0.07] [%clk 0:36:22] } 21... f5 { [%eval -0.04] [%clk 0:27:15] } 22. b5 { [%eval -0.01] [%clk 0:20:12] } 22... cxb5 { [%eval 0.02] [%clk 0:39:44] } 23. axb5 { [%eval 0.02] [%clk 0:17:52] } 23... f4 { [%eval 0.06] [%clk 0:37:45] } 24. b6 { [%eval 0.07] [%clk 0:12:52] } 24... axb6 { [%eval 0.0] [%clk 0:35:29] } 25. Bxd4 { [%eval 0.0] [%clk 0:13:05] } 25... exd4 { [%eval 0.0] [%clk 0:30:02] } 26. Qb3+ { [%eval 0.0] [%clk 0:12:16] } 26... Kh8 { [%eval 0.2] [%clk 0:28:14] } 27. Ne4 { [%eval 0.07] [%clk 0:07:32] } 27... Be5 { [%eval 0.1] [%clk 0:13:26] } 28. Qxb6 { [%eval 0.07] [%clk 0:08:07] } 28... Rg8?! { [%eval 1.1] } { Inaccuracy. fxg3 was best. } { [%clk 0:03:44] } 29. Bh3?! { [%eval 0.34] } { Inaccuracy. Ng5 was best. } { [%clk 0:01:42] } 29... Nf6?? { [%eval 2.33] } { Blunder. fxg3 was best. } { [%clk 0:01:55] } 30. Ng5 { [%eval 2.26] [%clk 0:01:23] } 30... Nd5 { [%eval 2.56] [%clk 0:01:54] } 31. Qe6 { [%eval 2.58] [%clk 0:01:23] } 31... Re7?! { [%eval 3.68] } { Inaccuracy. Bf6 was best. } { [%clk 0:00:44] } 32. Nf7+ { [%eval 3.43] [%clk 0:00:54] } 32... Rxf7 { [%eval 3.48] [%clk 0:01:11] } 33. Qxf7?! { [%eval 2.46] } { Inaccuracy. Qxe5+ was best. } { [%clk 0:01:20] } 33... b6?? { [%eval 5.7] } { Blunder. Nc3 was best. } { [%clk 0:00:39] } 34. Rb5 { [%eval 5.55] [%clk 0:01:14] } 34... fxg3 { [%eval 5.41] [%clk 0:00:00] } 35. Qxd5 { [%eval 5.44] [%clk 0:01:25] } 35... gxf2+ { [%eval 5.41] [%clk 0:00:35] } 36. Rxf2 { [%eval 5.29] [%clk 0:01:41] } 1-0