Event: Biel Chess Festival 2025 WT 2
Site: Biel, Switzerland
Date: 2025-07-22
White: Petry, Martin
WhiteElo: 1940
Black: Illijin, Neboisa
BlackTitle: IM
BlackElo: 2142
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Kingside Fianchetto
Variant: Standard
TimeControl: 60' + 30'' / move

1. Nf3 { [%eval 0.1] [%clk 1:00:55] } 1... g6 { [%eval 0.38] [%clk 1:00:49] } 2. g3 { [%eval 0.16] [%clk 1:01:16] } 2... b6 { [%eval 0.45] [%clk 1:01:07] } 3. Bg2 { [%eval 0.51] [%clk 1:01:41] } 3... Bb7 { [%eval 0.53] [%clk 1:01:27] } 4. O-O { [%eval 0.29] [%clk 1:01:59] } 4... Bg7 { [%eval 0.53] [%clk 1:01:52] } 5. d4 { [%eval 0.56] [%clk 1:01:28] } 5... d6 { [%eval 0.52] [%clk 1:01:59] } 6. c4 { [%eval 0.67] [%clk 1:01:20] } 6... Nd7 { [%eval 0.75] [%clk 1:02:10] } 7. Nc3 { [%eval 0.74] [%clk 1:00:47] } 7... Ngf6 { [%eval 0.79] [%clk 1:02:31] } 8. Qc2 { [%eval 0.85] [%clk 1:00:19] } 8... O-O { [%eval 0.86] [%clk 1:00:05] } 9. e4 { [%eval 0.59] [%clk 0:55:18] } 9... e5 { [%eval 0.58] [%clk 0:58:54] } 10. dxe5 { [%eval 0.67] [%clk 0:54:03] } 10... dxe5 { [%eval 0.62] [%clk 0:59:08] } 11. Rd1 { [%eval 0.65] [%clk 0:50:35] } 11... Qe7 { [%eval 0.92] [%clk 0:58:52] } 12. Bg5?! { [%eval 0.24] } { Inaccuracy. Nd5 was best. } { [%clk 0:44:25] } 12... h6?! { [%eval 0.9] } { Inaccuracy. c6 was best. } { [%clk 0:58:51] } 13. Nd5 { [%eval 0.89] [%clk 0:42:31] } 13... Bxd5 { [%eval 0.97] [%clk 0:58:11] } 14. Bxf6 { [%eval 0.86] [%clk 0:42:34] } 14... Nxf6 { [%eval 1.21] [%clk 0:55:12] } 15. cxd5 { [%eval 1.3] [%clk 0:42:27] } 15... a5 { [%eval 1.26] [%clk 0:50:45] } 16. Rac1 { [%eval 1.31] [%clk 0:41:37] } 16... Ne8 { [%eval 1.31] [%clk 0:49:02] } 17. Nd2 { [%eval 1.18] [%clk 0:32:02] } 17... Rd8 { [%eval 1.08] [%clk 0:48:59] } 18. a3 { [%eval 0.78] [%clk 0:29:26] } 18... Kh8?! { [%eval 1.36] } { Inaccuracy. h5 was best. } { [%clk 0:48:52] } 19. Bh3 { [%eval 0.82] [%clk 0:24:36] } 19... Qg5 { [%eval 1.11] [%clk 0:39:19] } 20. Bg2 { [%eval 0.98] [%clk 0:15:50] } 20... f5 { [%eval 0.99] [%clk 0:38:33] } 21. h4 { [%eval 0.68] [%clk 0:15:07] } 21... Qf6 { [%eval 0.67] [%clk 0:38:36] } 22. Rf1 { [%eval 0.7] [%clk 0:13:42] } 22... f4?! { [%eval 1.45] } { Inaccuracy. Rf7 was best. } { [%clk 0:37:49] } 23. Nf3 { [%eval 1.6] [%clk 0:13:29] } 23... g5?! { [%eval 2.65] } { Inaccuracy. Qe7 was best. } { [%clk 0:31:46] } 24. g4?? { [%eval 0.73] } { Blunder. hxg5 was best. } { [%clk 0:09:50] } 24... gxh4 { [%eval 0.75] [%clk 0:28:52] } 25. Bh3 { [%eval 0.94] [%clk 0:10:18] } 25... Rf7 { [%eval 1.27] [%clk 0:27:47] } 26. Kh1 { [%eval 1.28] [%clk 0:10:07] } 26... Bf8 { [%eval 1.65] [%clk 0:28:01] } 27. Rg1 { [%eval 1.92] [%clk 0:08:42] } 27... Rg7 { [%eval 1.81] [%clk 0:28:18] } 28. Rg2 { [%eval 1.25] [%clk 0:08:58] } 28... Nd6?! { [%eval 1.92] } { Inaccuracy. Rg5 was best. } { [%clk 0:18:30] } 29. g5 { [%eval 2.01] [%clk 0:06:25] } 29... hxg5 { [%eval 1.92] [%clk 0:18:41] } 30. Rcg1 { [%eval 1.83] [%clk 0:06:50] } 30... Nf7 { [%eval 1.69] [%clk 0:09:51] } 31. Be6?! { [%eval 1.04] } { Inaccuracy. Qxc7 was best. } { [%clk 0:05:20] } 31... h3 { [%eval 1.61] [%clk 0:07:13] } 32. Rg4 { [%eval 1.65] [%clk 0:05:31] } 32... Be7? { [%eval 3.18] } { Mistake. Bd6 was best. } { [%clk 0:02:42] } 33. Qxc7 { [%eval 3.08] [%clk 0:04:00] } 33... Bd6 { [%eval 3.73] [%clk 0:02:33] } 34. Qxb6 { [%eval 3.54] [%clk 0:04:12] } 34... Rb8 { [%eval 4.3] [%clk 0:00:35] } 35. Qa6?! { [%eval 3.29] } { Inaccuracy. Qc6 was best. } { [%clk 0:02:42] } 35... h2?! { [%eval 4.17] } { Inaccuracy. Be7 was best. } { [%clk 0:00:58] } 36. R1g2 { [%eval 4.13] [%clk 0:02:18] } 36... Be7 { [%eval 4.21] [%clk 0:00:40] } 37. Qe2 { [%eval 3.59] [%clk 0:01:19] } 37... Rb3 { [%eval 4.37] [%clk 0:00:37] } 38. Rxh2+ { [%eval 3.63] [%clk 0:01:09] } 38... Nh6 { [%eval 4.36] [%clk 0:00:57] } 39. Rg1 { [%eval 4.22] [%clk 0:00:58] } 39... Rb8 { [%eval 4.33] [%clk 0:00:55] } 40. Ne1 { [%eval 3.79] [%clk 0:00:40] } 40... Rf8?! { [%eval 5.92] } { Inaccuracy. Rh7 was best. } { [%clk 0:01:14] } 41. Qh5 { [%eval 5.57] [%clk 0:00:59] } 41... Rh7 { [%eval 6.36] [%clk 0:01:42] } 42. Bf5 { [%eval 5.67] [%clk 0:01:22] } 42... Qxf5 { [%eval 6.79] [%clk 0:01:46] } 43. exf5 { [%eval 6.64] [%clk 0:01:48] } 43... Rxf5 { [%eval 7.2] [%clk 0:02:14] } 44. Qe8+ { [%eval 6.94] [%clk 0:02:08] } 44... Rf8 { [%eval 7.24] [%clk 0:02:42] } 45. Qg6 { [%eval 6.97] [%clk 0:02:27] } 45... Rg8 { [%eval 7.3] [%clk 0:03:07] } 46. Qe4 { [%eval 6.83] [%clk 0:02:37] } 46... Bf6 { [%eval 7.54] [%clk 0:03:35] } 47. Nd3 { [%eval 8.55] [%clk 0:02:37] } 47... g4 { [%eval 7.83] [%clk 0:03:59] } 48. Nxe5 { [%eval 7.53] [%clk 0:02:53] } 48... Re7 { [%clk 0:03:46] } 49. Rxh6+ { [%clk 0:03:12] } 1-0