Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Sadeghi, Hassan Roger
WhiteTitle: CM
WhiteElo: 2068
Black: Tcheau, Alain
BlackElo: 1912
Result: 1-0
ECO: A54
Opening: Old Indian Defense: Two Knights Variation
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. c4 { [%eval 0.12] [%clk 0:15:06] } 1... e5 { [%eval 0.1] [%clk 0:15:07] } 2. Nc3 { [%eval 0.04] [%clk 0:15:07] } 2... Nf6 { [%eval 0.18] [%clk 0:15:09] } 3. Nf3 { [%eval 0.15] [%clk 0:15:08] } 3... d6 { [%eval 0.45] [%clk 0:15:13] } 4. d4 { [%eval 0.44] [%clk 0:15:06] } 4... exd4 { [%eval 0.54] [%clk 0:15:14] } 5. Nxd4 { [%eval 0.46] [%clk 0:15:08] } 5... Be7 { [%eval 0.46] [%clk 0:15:12] } 6. g3 { [%eval 0.48] [%clk 0:14:58] } 6... Nc6 { [%eval 0.69] [%clk 0:15:09] } 7. Bg2 { [%eval 0.61] [%clk 0:14:57] } 7... Nxd4 { [%eval 0.7] [%clk 0:15:11] } 8. Qxd4 { [%eval 0.54] [%clk 0:15:00] } 8... c6 { [%eval 0.51] [%clk 0:15:10] } 9. O-O { [%eval 0.54] [%clk 0:14:46] } 9... O-O { [%eval 0.55] [%clk 0:15:13] } 10. b3 { [%eval 0.68] [%clk 0:14:37] } 10... Qb6 { [%eval 0.71] [%clk 0:14:57] } 11. Qxb6 { [%eval 0.42] [%clk 0:13:13] } 11... axb6 { [%eval 0.55] [%clk 0:15:01] } 12. Be3 { [%eval 0.41] [%clk 0:12:23] } 12... Bd8 { [%eval 0.81] [%clk 0:14:35] } 13. Rfd1 { [%eval 0.82] [%clk 0:12:07] } 13... Bc7 { [%eval 1.03] [%clk 0:14:38] } 14. Bg5 { [%eval 1.08] [%clk 0:11:56] } 14... Bf5 { [%eval 0.76] [%clk 0:12:52] } 15. Bxf6 { [%eval 0.82] [%clk 0:10:50] } 15... gxf6 { [%eval 0.8] [%clk 0:12:56] } 16. Be4 { [%eval 0.74] [%clk 0:10:01] } 16... Be6 { [%eval 0.76] [%clk 0:11:29] } 17. Rac1 { [%eval 0.79] [%clk 0:08:18] } 17... Kg7 { [%eval 0.92] [%clk 0:11:18] } 18. Bb1 { [%eval 0.79] [%clk 0:07:55] } 18... Rac8 { [%eval 0.95] [%clk 0:11:02] } 19. Kg2 { [%eval 1.0] [%clk 0:07:03] } 19... Rfd8 { [%eval 0.9] [%clk 0:11:05] } 20. Be4 { [%eval 0.92] [%clk 0:06:49] } 20... b5 { [%eval 1.43] [%clk 0:10:45] } 21. cxb5 { [%eval 1.41] [%clk 0:06:10] } 21... d5 { [%eval 1.54] [%clk 0:10:38] } 22. Bf3 { [%eval 1.0] [%clk 0:04:46] } 22... Bd6 { [%eval 1.15] [%clk 0:10:13] } 23. bxc6 { [%eval 1.01] [%clk 0:04:29] } 23... bxc6 { [%eval 1.1] [%clk 0:10:00] } 24. Na4 { [%eval 1.01] [%clk 0:04:06] } 24... Ba3 { [%eval 1.12] [%clk 0:09:42] } 25. Rc2 { [%eval 1.07] [%clk 0:03:48] } 25... Bf5 { [%eval 0.92] [%clk 0:08:48] } 26. Rcd2 { [%eval 1.09] [%clk 0:01:52] } 26... Re8 { [%eval 1.12] [%clk 0:06:32] } 27. Rd4 { [%eval 0.92] [%clk 0:03:30] } 27... Be6 { [%eval 1.21] [%clk 0:06:24] } 28. e3 { [%eval 1.09] [%clk 0:02:39] } 28... Bd6 { [%eval 1.3] [%clk 0:06:21] } 29. R4d2 { [%eval 1.35] [%clk 0:02:22] } 29... Bb4 { [%eval 1.27] [%clk 0:06:01] } 30. Re2 { [%eval 1.26] [%clk 0:02:18] } 30... Red8 { [%eval 1.42] [%clk 0:05:41] } 31. Nb2 { [%eval 1.4] [%clk 0:02:11] } 31... c5?! { [%eval 2.57] } { Inaccuracy. Rc7 was best. } { [%clk 0:05:28] } 32. Nd3 { [%eval 2.58] [%clk 0:02:12] } 32... Ba3 { [%eval 3.15] [%clk 0:04:40] } 33. Nf4 { [%eval 3.31] [%clk 0:02:14] } 33... c4 { [%eval 3.56] [%clk 0:04:08] } 34. Bxd5 { [%eval 3.49] [%clk 0:01:51] } 34... c3? { [%eval 5.98] } { Mistake. Bg4 was best. } { [%clk 0:03:05] } 35. Rc2?? { [%eval -3.0] } { Blunder. Bxe6 was best. } { [%clk 0:01:38] } 35... Bxd5+?? { [%eval 4.74] } { Blunder. Bf5 was best. } { [%clk 0:02:46] } 36. Rxd5 { [%eval 4.79] [%clk 0:01:42] } 36... Bb2 { [%eval 4.65] [%clk 0:02:17] } 37. Kf3 { [%eval 4.79] [%clk 0:01:14] } 37... Kf8 { [%eval 4.96] [%clk 0:02:14] } 38. Ke2 { [%eval 4.99] [%clk 0:01:11] } 38... Ke7 { [%eval 4.83] [%clk 0:02:16] } 39. e4 { [%eval 4.62] [%clk 0:01:13] } 39... Ra8 { [%eval 5.13] [%clk 0:02:01] } 40. Rxd8 { [%eval 5.06] [%clk 0:01:00] } 40... Kxd8 { [%eval 5.14] [%clk 0:02:05] } 41. Nd5 { [%eval 5.0] [%clk 0:01:03] } 41... Ra6 { [%eval 5.33] [%clk 0:01:17] } 42. Nxc3 { [%eval 4.7] [%clk 0:00:59] } 42... Ba3 { [%eval 5.42] [%clk 0:00:57] } 43. Nb5 { [%eval 5.46] [%clk 0:00:53] } 43... Be7 { [%eval 5.47] [%clk 0:00:46] } 44. a4 { [%eval 5.49] [%clk 0:00:57] } 44... Kd7 { [%eval 5.53] [%clk 0:00:40] } 45. f4 { [%eval 5.56] [%clk 0:00:40] } 45... Rb6 { [%eval 5.56] [%clk 0:00:31] } 46. Kf3 { [%eval 5.57] [%clk 0:00:52] } 46... Bf8 { [%eval 6.36] [%clk 0:00:33] } 47. Rc7+ { [%eval 6.38] [%clk 0:00:48] } 47... Ke8 { [%eval 6.87] [%clk 0:00:30] } 48. Rc8+ { [%clk 0:00:28] } 48... Ke7 { [%clk 0:00:34] } 49. Nd4 { [%clk 0:00:30] } 1-0