Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-15
White: Chen, Zhi
WhiteElo: 2246
Black: Pranav Anand
BlackTitle: GM
BlackElo: 2566
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:57] } 1... c5 { [%eval 0.25] [%clk 1:40:23] } 2. Nf3 { [%eval 0.2] [%clk 1:41:13] } 2... d6 { [%eval 0.31] [%clk 1:40:47] } 3. d4 { [%eval 0.22] [%clk 1:41:08] } 3... cxd4 { [%eval 0.19] [%clk 1:41:11] } 4. Nxd4 { [%eval 0.18] [%clk 1:41:31] } 4... Nf6 { [%eval 0.31] [%clk 1:41:36] } 5. Nc3 { [%eval 0.32] [%clk 1:41:46] } 5... a6 { [%eval 0.28] [%clk 1:42:01] } 6. Bd3 { [%eval 0.18] [%clk 1:41:27] } 6... g6 { [%eval 0.2] [%clk 1:42:21] } 7. f3 { [%eval 0.29] [%clk 1:41:38] } 7... e5 { [%eval 0.25] [%clk 1:42:46] } 8. Nde2 { [%eval 0.16] [%clk 1:40:52] } 8... Be6 { [%eval 0.24] [%clk 1:42:21] } 9. O-O { [%eval 0.18] [%clk 1:31:43] } 9... Nbd7 { [%eval 0.14] [%clk 1:35:41] } 10. Qe1 { [%eval -0.12] [%clk 1:31:05] } 10... b5 { [%eval 0.27] [%clk 1:33:46] } 11. f4 { [%eval 0.04] [%clk 1:24:50] } 11... Qc7?! { [%eval 0.96] } { Inaccuracy. exf4 was best. } { [%clk 1:25:04] } 12. Ng3?! { [%eval 0.18] } { Inaccuracy. f5 was best. } { [%clk 1:16:46] } 12... Bg7 { [%eval 0.58] [%clk 1:21:41] } 13. Kh1 { [%eval 0.32] [%clk 0:58:10] } 13... O-O { [%eval 0.5] [%clk 1:19:31] } 14. f5 { [%eval 0.5] [%clk 0:56:52] } 14... Bc4 { [%eval 0.53] [%clk 1:18:08] } 15. a3 { [%eval 0.38] [%clk 0:53:55] } 15... Rab8 { [%eval 0.53] [%clk 1:11:06] } 16. Qe2 { [%eval 0.13] [%clk 0:53:10] } 16... h6?! { [%eval 0.74] } { Inaccuracy. d5 was best. } { [%clk 1:06:44] } 17. Be3 { [%eval 0.77] [%clk 0:53:02] } 17... Kh7 { [%eval 1.01] [%clk 1:06:09] } 18. Rfd1 { [%eval 0.67] [%clk 0:52:33] } 18... Rfc8 { [%eval 0.62] [%clk 1:04:51] } 19. b3?! { [%eval 0.0] } { Inaccuracy. h3 was best. } { [%clk 0:43:47] } 19... Bxd3 { [%eval -0.04] [%clk 0:59:44] } 20. Rxd3 { [%eval -0.1] [%clk 0:44:12] } 20... Qa5? { [%eval 1.01] } { Mistake. d5 was best. } { [%clk 0:54:24] } 21. Nd5?! { [%eval 0.0] } { Inaccuracy. Bd2 was best. } { [%clk 0:40:09] } 21... Nxd5 { [%eval -0.05] [%clk 0:54:17] } 22. Rxd5 { [%eval 0.04] [%clk 0:40:15] } 22... Rc6 { [%eval 0.07] [%clk 0:53:51] } 23. Rad1 { [%eval -0.16] [%clk 0:27:19] } 23... Qc7 { [%eval -0.06] [%clk 0:46:51] } 24. c3 { [%eval -0.43] [%clk 0:17:48] } 24... Nf6 { [%eval -0.39] [%clk 0:46:48] } 25. R5d3 { [%eval -0.46] [%clk 0:17:39] } 25... a5 { [%eval -0.43] [%clk 0:42:57] } 26. c4 { [%eval -0.46] [%clk 0:15:46] } 26... bxc4 { [%eval -0.46] [%clk 0:42:26] } 27. bxc4 { [%eval -0.55] [%clk 0:16:12] } 27... a4 { [%eval -0.39] [%clk 0:40:20] } 28. Rc3?! { [%eval -1.43] } { Inaccuracy. h3 was best. } { [%clk 0:14:36] } 28... Rc8? { [%eval -0.09] } { Mistake. Rb3 was best. } { [%clk 0:34:07] } 29. c5 { [%eval -0.35] [%clk 0:12:32] } 29... dxc5 { [%eval -0.22] [%clk 0:33:52] } 30. fxg6+ { [%eval -0.19] [%clk 0:11:26] } 30... fxg6 { [%eval -0.25] [%clk 0:34:03] } 31. Qb5 { [%eval -0.48] [%clk 0:11:38] } 31... h5 { [%eval -0.13] [%clk 0:28:01] } 32. Qxa4 { [%eval -0.1] [%clk 0:09:51] } 32... c4 { [%eval -0.04] [%clk 0:27:09] } 33. Qc2 { [%eval -0.1] [%clk 0:10:08] } 33... Ng4 { [%eval 0.11] [%clk 0:26:13] } 34. Nf1 { [%eval -0.03] [%clk 0:09:29] } 34... Rf8 { [%eval 0.0] [%clk 0:21:49] } 35. h3 { [%eval 0.0] [%clk 0:08:59] } 35... Rcf6 { [%eval 0.0] [%clk 0:22:04] } 36. Kg1?! { [%eval -1.01] } { Inaccuracy. hxg4 was best. } { [%clk 0:04:51] } 36... Nxe3 { [%eval -0.89] [%clk 0:18:57] } 37. Nxe3 { [%eval -1.0] [%clk 0:05:15] } 37... Qa7 { [%eval -0.59] [%clk 0:19:24] } 38. Kh2?? { [%eval -3.2] } { Blunder. Qd2 was best. } { [%clk 0:03:14] } 38... Rf2 { [%eval -3.62] [%clk 0:06:43] } 39. Rd2 { [%eval -3.35] [%clk 0:03:08] } 39... Rxd2 { [%eval -3.27] [%clk 0:07:00] } 40. Qxd2 { [%eval -2.92] [%clk 0:03:34] } 40... Bh6?? { [%eval -0.48] } { Blunder. Qd4 was best. } { [%clk 0:07:23] } 41. Qd6?? { [%eval -2.92] } { Blunder. Qe2 was best. } { [%clk 0:01:51] } 41... Qd4 { [%eval -2.99] [%clk 0:22:32] } 42. Qc7+ { [%eval -2.82] [%clk 0:24:16] } 42... Kh8 { [%eval -3.03] [%clk 0:22:53] } 43. Nd5 { [%eval -3.01] [%clk 0:24:09] } 43... Rf1 { [%eval -3.1] [%clk 0:23:11] } 44. Qc8+ { [%eval -2.75] [%clk 0:19:44] } 44... Kh7 { [%eval -2.9] [%clk 0:23:12] } 45. Qc7+ { [%eval -2.82] [%clk 0:19:14] } 45... Bg7 { [%eval -2.65] [%clk 0:23:28] } 46. Qxc4?? { [%eval #-10] } { Checkmate is now unavoidable. Re3 was best. } { [%clk 0:10:50] } 46... Qg1+ { [%eval #-9] [%clk 0:22:14] } 47. Kg3 { [%eval #-9] [%clk 0:11:16] } 47... Qf2+?? { [%eval -5.13] } { Lost forced checkmate sequence. Rf2 was best. } { [%clk 0:22:11] } 48. Kh2 { [%eval -5.0] [%clk 0:11:42] } 48... h4 { [%eval -4.59] [%clk 0:22:34] } 49. Qc5?? { [%eval #-7] } { Checkmate is now unavoidable. Qxf1 was best. } { [%clk 0:09:36] } 49... Qe1 { [%eval #-6] [%clk 0:22:31] } 0-1