Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Jordan, Christina
WhiteElo: 1710
Black: Federer, Colin
BlackTitle: FM
BlackElo: 2055
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:15:09] } 1... c5 { [%eval 0.25] [%clk 0:15:05] } 2. Nf3 { [%eval 0.2] [%clk 0:15:12] } 2... d6 { [%eval 0.31] [%clk 0:15:09] } 3. d4 { [%eval 0.22] [%clk 0:15:16] } 3... cxd4 { [%eval 0.19] [%clk 0:15:12] } 4. Nxd4 { [%eval 0.18] [%clk 0:15:19] } 4... Nf6 { [%eval 0.31] [%clk 0:15:14] } 5. Nc3 { [%eval 0.32] [%clk 0:15:23] } 5... a6 { [%eval 0.28] [%clk 0:15:18] } 6. Be3 { [%eval 0.25] [%clk 0:15:26] } 6... e5 { [%eval 0.15] [%clk 0:15:19] } 7. Nb3 { [%eval 0.21] [%clk 0:15:29] } 7... Be6 { [%eval 0.2] [%clk 0:15:22] } 8. f3 { [%eval 0.45] [%clk 0:15:33] } 8... h5 { [%eval 0.45] [%clk 0:15:25] } 9. Qd2 { [%eval 0.47] [%clk 0:15:36] } 9... Nbd7 { [%eval 0.42] [%clk 0:15:28] } 10. O-O-O { [%eval 0.29] [%clk 0:15:37] } 10... Rc8 { [%eval 0.24] [%clk 0:15:32] } 11. Kb1 { [%eval 0.38] [%clk 0:15:40] } 11... Be7 { [%eval 0.23] [%clk 0:15:35] } 12. h3 { [%eval 0.25] [%clk 0:15:35] } 12... b5 { [%eval 0.22] [%clk 0:15:35] } 13. Bd3 { [%eval 0.25] [%clk 0:15:17] } 13... Nb6 { [%eval 0.31] [%clk 0:15:32] } 14. g4 { [%eval 0.38] [%clk 0:14:58] } 14... b4 { [%eval 0.37] [%clk 0:15:34] } 15. Ne2 { [%eval 0.33] [%clk 0:14:57] } 15... Nc4 { [%eval 0.27] [%clk 0:15:09] } 16. Bxc4 { [%eval 0.2] [%clk 0:14:51] } 16... Bxc4 { [%eval 0.3] [%clk 0:15:02] } 17. g5 { [%eval 0.41] [%clk 0:14:45] } 17... Nd7 { [%eval 0.43] [%clk 0:15:03] } 18. f4?! { [%eval -0.33] } { Inaccuracy. h4 was best. } { [%clk 0:14:36] } 18... exf4?? { [%eval 2.16] } { Blunder. h4 was best. } { [%clk 0:14:30] } 19. Bxf4?? { [%eval 0.41] } { Blunder. Nxf4 was best. } { [%clk 0:14:34] } 19... O-O { [%eval 0.41] [%clk 0:14:23] } 20. Ng3 { [%eval 0.41] [%clk 0:14:33] } 20... g6 { [%eval 0.44] [%clk 0:13:51] } 21. Bxd6 { [%eval 0.43] [%clk 0:14:03] } 21... Bxg5? { [%eval 2.14] } { Mistake. Bxd6 was best. } { [%clk 0:13:46] } 22. Bf4?? { [%eval 0.39] } { Blunder. Qg2 was best. } { [%clk 0:14:01] } 22... Bxf4 { [%eval 0.42] [%clk 0:13:49] } 23. Qxf4 { [%eval 0.18] [%clk 0:14:04] } 23... Qc7 { [%eval 0.55] [%clk 0:12:23] } 24. Nxh5 { [%eval 0.57] [%clk 0:13:03] } 24... Bxb3 { [%eval 0.6] [%clk 0:11:23] } 25. cxb3 { [%eval 0.6] [%clk 0:12:55] } 25... Ne5?? { [%eval 2.68] } { Blunder. Qxf4 was best. } { [%clk 0:10:21] } 26. Nf6+ { [%eval 2.48] [%clk 0:12:16] } 26... Kg7 { [%eval 2.43] [%clk 0:10:23] } 27. Rc1?! { [%eval 1.59] } { Inaccuracy. Nd5 was best. } { [%clk 0:11:53] } 27... Qd6 { [%eval 2.08] [%clk 0:09:38] } 28. Nd5? { [%eval 0.36] } { Mistake. Nh5+ was best. } { [%clk 0:11:27] } 28... a5? { [%eval 1.76] } { Mistake. Rxc1+ was best. } { [%clk 0:08:20] } 29. h4?? { [%eval 0.04] } { Blunder. Rcd1 was best. } { [%clk 0:11:17] } 29... Rxc1+ { [%eval 0.05] [%clk 0:07:50] } 30. Rxc1 { [%eval 0.07] [%clk 0:11:19] } 30... Qe6 { [%eval 0.08] [%clk 0:07:49] } 31. Rh1 { [%eval 0.04] [%clk 0:10:59] } 31... Nd3?? { [%eval 1.75] } { Blunder. Rh8 was best. } { [%clk 0:07:42] } 32. Qe3 { [%eval 1.64] [%clk 0:10:48] } 32... Nf2 { [%eval 2.04] [%clk 0:07:21] } 33. Rf1?? { [%eval -1.18] } { Blunder. Qd4+ was best. } { [%clk 0:10:17] } 33... Qxe4+ { [%eval -1.12] [%clk 0:07:10] } 34. Qxe4 { [%eval -1.19] [%clk 0:10:20] } 34... Nxe4 { [%eval -1.25] [%clk 0:07:14] } 35. Rf4 { [%eval -1.19] [%clk 0:09:55] } 35... f5 { [%eval -1.13] [%clk 0:07:09] } 36. Nb6?! { [%eval -1.96] } { Inaccuracy. Kc2 was best. } { [%clk 0:09:45] } 36... Rd8?! { [%eval -1.14] } { Inaccuracy. Kh6 was best. } { [%clk 0:07:00] } 37. Nc4 { [%eval -1.1] [%clk 0:09:28] } 37... Rd4?! { [%eval -0.31] } { Inaccuracy. Nd2+ was best. } { [%clk 0:06:48] } 38. Kc2 { [%eval -0.26] [%clk 0:09:23] } 38... a4 { [%eval -0.27] [%clk 0:06:31] } 39. Rf3?? { [%eval -2.54] } { Blunder. h5 was best. } { [%clk 0:08:58] } 39... axb3+ { [%eval -2.54] [%clk 0:06:23] } 40. axb3 { [%eval -2.37] [%clk 0:09:01] } 40... Kf6?? { [%eval 0.0] } { Blunder. Nf6 was best. } { [%clk 0:06:20] } 41. Rd3 { [%eval 0.0] [%clk 0:08:51] } 41... Rxd3 { [%eval 0.0] [%clk 0:06:23] } 42. Kxd3 { [%eval 0.0] [%clk 0:08:55] } 42... Nc5+ { [%eval 0.0] [%clk 0:06:13] } 43. Kc2?? { [%eval -4.88] } { Blunder. Kd4 was best. } { [%clk 0:08:55] } 43... f4 { [%eval -4.16] [%clk 0:06:10] } 44. Nd2?! { [%eval -5.33] } { Inaccuracy. Kd2 was best. } { [%clk 0:08:30] } 44... Kf5 { [%eval -5.39] [%clk 0:06:07] } 45. Nf3 { [%eval -5.99] [%clk 0:08:03] } 45... Ke4 { [%eval -5.39] [%clk 0:06:09] } 46. Nd2+ { [%eval -6.79] [%clk 0:07:10] } 46... Ke3 { [%eval -7.4] [%clk 0:06:07] } 47. Kd1 { [%eval -7.34] [%clk 0:07:04] } 47... f3 { [%eval -7.0] [%clk 0:05:56] } 48. Nc4+ { [%eval -7.29] [%clk 0:07:03] } 48... Kf2 { [%eval -7.19] [%clk 0:05:52] } 49. Nd2 { [%eval -8.18] [%clk 0:06:34] } 49... Kg2 { [%eval -7.22] [%clk 0:05:50] } 50. Ke1 { [%eval -11.21] [%clk 0:06:30] } 50... f2+ { [%clk 0:05:38] } 51. Ke2 { [%clk 0:06:33] } 51... Nxb3 { [%clk 0:05:41] } 52. Nf1 { [%clk 0:06:30] } 52... Nc1+ { [%clk 0:05:45] } 0-1