Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-21
White: Arfan, Aditya Bagus
WhiteTitle: IM
WhiteElo: 2385
Black: Bok, Benjamin
BlackTitle: GM
BlackElo: 2593
Result: 0-1
ECO: A09
Opening: Réti Opening: Reversed Blumenfeld Gambit
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. Nf3 { [%eval 0.1] [%clk 1:40:15] } 1... d5 { [%eval 0.18] [%clk 1:40:33] } 2. c4 { [%eval 0.0] [%clk 1:39:58] } 2... d4 { [%eval 0.0] [%clk 1:38:22] } 3. b4 { [%eval 0.0] [%clk 1:40:06] } 3... c5 { [%eval 0.0] [%clk 1:38:36] } 4. e3 { [%eval 0.0] [%clk 1:26:13] } 4... dxe3 { [%eval 0.0] [%clk 1:22:52] } 5. fxe3 { [%eval -0.1] [%clk 1:39:11] } 5... cxb4 { [%eval 0.0] [%clk 1:23:18] } 6. d4 { [%eval 0.0] [%clk 1:37:33] } 6... Nf6 { [%eval -0.02] [%clk 1:22:10] } 7. Bd3 { [%eval 0.0] [%clk 1:32:57] } 7... g6 { [%eval 0.0] [%clk 1:17:45] } 8. O-O { [%eval -0.28] [%clk 1:31:33] } 8... Bg7 { [%eval -0.23] [%clk 1:13:43] } 9. a3 { [%eval -0.35] [%clk 1:31:26] } 9... Nc6 { [%eval -0.29] [%clk 0:58:26] } 10. axb4 { [%eval -0.24] [%clk 1:18:43] } 10... Nxb4 { [%eval -0.17] [%clk 1:02:53] } 11. Qa4+ { [%eval -0.21] [%clk 1:18:36] } 11... Nc6 { [%eval -0.27] [%clk 1:01:33] } 12. Nc3 { [%eval -0.4] [%clk 1:14:45] } 12... O-O { [%eval -0.4] [%clk 1:02:51] } 13. Rb1 { [%eval -0.39] [%clk 1:04:23] } 13... Re8?! { [%eval 0.18] } { Inaccuracy. a5 was best. } { [%clk 0:54:23] } 14. Rd1?! { [%eval -0.64] } { Inaccuracy. c5 was best. } { [%clk 1:06:07] } 14... Bd7 { [%eval -0.63] [%clk 0:46:28] } 15. Qc2?! { [%eval -1.2] } { Inaccuracy. c5 was best. } { [%clk 0:59:29] } 15... b6 { [%eval -0.78] [%clk 0:34:48] } 16. Nb5?! { [%eval -1.51] } { Inaccuracy. h3 was best. } { [%clk 0:37:54] } 16... a6 { [%eval -1.59] [%clk 0:34:46] } 17. Nc3 { [%eval -1.53] [%clk 0:29:42] } 17... e5 { [%eval -1.58] [%clk 0:20:52] } 18. Bf1?! { [%eval -2.86] } { Inaccuracy. d5 was best. } { [%clk 0:20:15] } 18... exd4 { [%eval -2.72] [%clk 0:23:20] } 19. exd4 { [%eval -2.29] [%clk 0:19:44] } 19... Bf5 { [%eval -2.2] [%clk 0:23:05] } 20. Bd3 { [%eval -2.41] [%clk 0:19:44] } 20... Bg4 { [%eval -2.21] [%clk 0:19:18] } 21. Qf2? { [%eval -3.85] } { Mistake. Bf1 was best. } { [%clk 0:13:43] } 21... Bxf3 { [%eval -3.79] [%clk 0:18:12] } 22. gxf3 { [%eval -3.74] [%clk 0:14:07] } 22... Ng4 { [%clk 0:17:25] } 0-1