Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-22
White: Robert-Grandpierre, Christian
WhiteElo: 1543
Black: Weber, Jason
BlackElo: 1769
Result: 0-1
ECO: E94
Opening: King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line
Variant: Standard
TimeControl: 60' + 30'' / move

1. d4 { [%eval 0.17] [%clk 1:00:55] } 1... Nf6 { [%eval 0.19] [%clk 1:00:53] } 2. c4 { [%eval 0.18] [%clk 1:01:18] } 2... g6 { [%eval 0.28] [%clk 1:01:18] } 3. Nc3 { [%eval 0.18] [%clk 1:01:37] } 3... Bg7 { [%eval 0.51] [%clk 1:01:40] } 4. e4 { [%eval 0.4] [%clk 1:01:58] } 4... d6 { [%eval 0.55] [%clk 1:02:05] } 5. Nf3 { [%eval 0.36] [%clk 1:02:12] } 5... O-O { [%eval 0.44] [%clk 1:02:19] } 6. Be2 { [%eval 0.45] [%clk 1:02:28] } 6... Nbd7 { [%eval 0.67] [%clk 1:02:43] } 7. O-O { [%eval 0.63] [%clk 1:02:15] } 7... e5 { [%eval 0.68] [%clk 1:02:03] } 8. d5 { [%eval 0.33] [%clk 0:59:10] } 8... Nc5 { [%eval 0.33] [%clk 1:01:53] } 9. Qc2 { [%eval 0.36] [%clk 0:58:34] } 9... a5 { [%eval 0.38] [%clk 1:02:10] } 10. h3?! { [%eval -0.26] } { Inaccuracy. Bg5 was best. } { [%clk 0:57:35] } 10... Nh5 { [%eval -0.21] [%clk 0:59:03] } 11. Be3 { [%eval -0.41] [%clk 0:55:23] } 11... b6 { [%eval -0.32] [%clk 0:59:20] } 12. a3 { [%eval -0.5] [%clk 0:55:13] } 12... f5 { [%eval -0.49] [%clk 0:50:51] } 13. b4 { [%eval -0.47] [%clk 0:48:51] } 13... Nxe4 { [%eval -0.46] [%clk 0:48:45] } 14. Nxe4 { [%eval -0.44] [%clk 0:48:15] } 14... fxe4 { [%eval -0.52] [%clk 0:48:58] } 15. Ng5 { [%eval -0.6] [%clk 0:44:29] } 15... Nf6? { [%eval 0.71] } { Mistake. Nf4 was best. } { [%clk 0:46:33] } 16. g4?! { [%eval -0.1] } { Inaccuracy. c5 was best. } { [%clk 0:39:15] } 16... Bd7 { [%eval -0.13] [%clk 0:37:30] } 17. Nxe4 { [%eval -0.17] [%clk 0:36:27] } 17... Nxe4 { [%eval -0.2] [%clk 0:34:58] } 18. Qxe4 { [%eval -0.3] [%clk 0:33:04] } 18... Qh4 { [%eval -0.42] [%clk 0:34:06] } 19. Qg2 { [%eval -0.78] [%clk 0:30:30] } 19... e4 { [%eval -0.82] [%clk 0:25:40] } 20. Rab1?! { [%eval -1.5] } { Inaccuracy. Rad1 was best. } { [%clk 0:28:44] } 20... axb4 { [%eval -1.58] [%clk 0:25:04] } 21. axb4 { [%eval -1.62] [%clk 0:27:28] } 21... Ra2 { [%eval -1.56] [%clk 0:24:36] } 22. Bd1 { [%eval -1.74] [%clk 0:26:54] } 22... Bh6 { [%eval -1.63] [%clk 0:20:10] } 23. Bxh6 { [%eval -2.24] [%clk 0:19:33] } 23... Qxh6 { [%eval -2.04] [%clk 0:20:32] } 24. Qg3?! { [%eval -2.7] } { Inaccuracy. Bb3 was best. } { [%clk 0:17:58] } 24... Qd2?! { [%eval -1.8] } { Inaccuracy. Rd2 was best. } { [%clk 0:15:18] } 25. Qe3 { [%eval -1.88] [%clk 0:15:19] } 25... Rxf2?? { [%eval 4.76] } { Blunder. Qxe3 was best. } { [%clk 0:11:34] } 26. Qxd2?? { [%eval -3.51] } { Blunder. Qxf2 was best. } { [%clk 0:15:06] } 26... Rfxd2 { [%eval -3.68] [%clk 0:11:23] } 27. Bb3?? { [%eval #-3] } { Checkmate is now unavoidable. Re1 was best. } { [%clk 0:13:25] } 27... Rg2+ { [%eval 5.33] [%clk 0:11:56] } 28. Kh1 Rh2+ 29. Kg1 Rag2# 0-1