Event: Biel Chess Festival 2025 Challengers Blitz
Site: Biel, Switzerland
Date: 2025-07-20
White: Navara, David
WhiteTitle: GM
WhiteElo: 2646
Black: Theodorou, Nikolas
BlackTitle: GM
BlackElo: 2549
Result: 1-0
ECO: C09
Opening: French Defense: Tarrasch Variation, Open System, Main Line
Variant: Standard
TimeControl: 3 min + 2 sec per move

1. e4 { [%eval 0.18] [%clk 0:03:03] } 1... e6 { [%eval 0.28] [%clk 0:03:03] } 2. d4 { [%eval 0.29] [%clk 0:03:04] } 2... d5 { [%eval 0.29] [%clk 0:03:04] } 3. Nd2 { [%eval 0.17] [%clk 0:03:05] } 3... c5 { [%eval 0.17] [%clk 0:03:05] } 4. Ngf3 { [%eval 0.09] [%clk 0:03:06] } 4... Nc6 { [%eval 0.16] [%clk 0:03:05] } 5. exd5 { [%eval 0.27] [%clk 0:03:06] } 5... exd5 { [%eval 0.27] [%clk 0:03:06] } 6. Bb5 { [%eval 0.24] [%clk 0:03:06] } 6... Bd6 { [%eval 0.26] [%clk 0:03:05] } 7. dxc5 { [%eval 0.3] [%clk 0:03:05] } 7... Bxc5 { [%eval 0.33] [%clk 0:03:06] } 8. O-O { [%eval 0.26] [%clk 0:03:05] } 8... Ne7 { [%eval 0.3] [%clk 0:03:06] } 9. Nb3 { [%eval 0.29] [%clk 0:03:06] } 9... Bb6 { [%eval 0.44] [%clk 0:03:07] } 10. Re1 { [%eval 0.41] [%clk 0:03:06] } 10... O-O { [%eval 0.42] [%clk 0:03:07] } 11. Be3 { [%eval 0.33] [%clk 0:03:05] } 11... Bg4 { [%eval 0.4] [%clk 0:03:02] } 12. Bxb6 { [%eval 0.25] [%clk 0:02:56] } 12... Qxb6 { [%eval 0.26] [%clk 0:02:53] } 13. Bxc6 { [%eval 0.13] [%clk 0:02:55] } 13... Nxc6 { [%eval 0.09] [%clk 0:02:53] } 14. Qxd5 { [%eval 0.0] [%clk 0:02:38] } 14... Nb4 { [%eval 0.0] [%clk 0:02:53] } 15. Qe4 { [%eval 0.01] [%clk 0:02:39] } 15... Bxf3 { [%eval 0.0] [%clk 0:02:49] } 16. gxf3 { [%eval 0.0] [%clk 0:02:40] } 16... Rac8 { [%eval 0.27] [%clk 0:02:26] } 17. c3 { [%eval 0.26] [%clk 0:02:34] } 17... Nc6 { [%eval 0.22] [%clk 0:01:35] } 18. Rad1 { [%eval 0.2] [%clk 0:02:32] } 18... g6?! { [%eval 1.13] } { Inaccuracy. h6 was best. } { [%clk 0:01:33] } 19. Qe3 { [%eval 1.09] [%clk 0:02:17] } 19... Qa6? { [%eval 2.89] } { Mistake. Rfe8 was best. } { [%clk 0:01:31] } 20. Nc5 { [%eval 2.75] [%clk 0:02:09] } 20... Qxa2 { [%eval 2.87] [%clk 0:01:30] } 21. Nd7 { [%eval 2.83] [%clk 0:02:08] } 21... Rfd8? { [%eval 5.01] } { Mistake. Qxb2 was best. } { [%clk 0:01:00] } 22. Qh6 { [%eval 5.0] [%clk 0:01:39] } 22... Rxd7 { [%eval 4.85] [%clk 0:01:01] } 23. Rxd7 { [%eval 4.87] [%clk 0:01:39] } 23... Qxb2 { [%eval 5.02] [%clk 0:00:59] } 24. Qf4 { [%eval 5.19] [%clk 0:01:19] } 24... Qb3 { [%eval 5.28] [%clk 0:00:59] } 25. c4 { [%eval 5.18] [%clk 0:01:11] } 25... Rf8 { [%eval 5.08] [%clk 0:00:48] } 26. Qe4?? { [%eval 2.4] } { Blunder. Re8 was best. } { [%clk 0:01:06] } 26... a5?! { [%eval 3.6] } { Inaccuracy. Qc3 was best. } { [%clk 0:00:32] } 27. Qd5? { [%eval 2.03] } { Mistake. Qf4 was best. } { [%clk 0:00:43] } 27... Qc3 { [%eval 2.61] [%clk 0:00:14] } 28. Re8 { [%eval 2.44] [%clk 0:00:28] } 28... Qf6 { [%eval 2.4] [%clk 0:00:15] } 29. Rxf8+ { [%eval 2.16] [%clk 0:00:29] } 29... Kxf8 { [%eval 1.87] [%clk 0:00:16] } 30. Rxb7 { [%eval 2.16] [%clk 0:00:12] } 30... Nd4 { [%eval 1.92] [%clk 0:00:16] } 31. Rxf7+?? { [%eval 0.0] } { Blunder. c5 was best. } { [%clk 0:00:05] } 31... Qxf7 { [%eval 0.0] [%clk 0:00:17] } 32. Qxd4 { [%eval 0.0] [%clk 0:00:05] } 32... Qxf3 { [%eval 0.0] [%clk 0:00:12] } 33. Qh8+ { [%eval 0.0] [%clk 0:00:05] } 33... Kf7 { [%eval 0.0] [%clk 0:00:13] } 34. Qxh7+ { [%eval 0.0] [%clk 0:00:06] } 34... Kf6 { [%eval 0.0] [%clk 0:00:14] } 35. Qh8+ { [%eval 0.0] [%clk 0:00:06] } 35... Kf7 { [%eval 0.0] [%clk 0:00:15] } 36. Qh7+ { [%eval 0.0] [%clk 0:00:06] } 36... Kf6 { [%eval 0.0] [%clk 0:00:16] } 37. Qh8+ { [%eval 0.0] [%clk 0:00:06] } 37... Kf7 { [%eval 0.0] [%clk 0:00:17] } 38. Qd4 { [%eval 0.0] [%clk 0:00:06] } 38... a4?? { [%eval 2.56] } { Blunder. Qb7 was best. } { [%clk 0:00:15] } 39. Qd7+ { [%eval 2.63] [%clk 0:00:05] } 39... Kf6 { [%eval 3.28] [%clk 0:00:16] } 40. Qxa4 { [%eval 3.16] [%clk 0:00:05] } 40... Qg4+ { [%eval 2.98] [%clk 0:00:17] } 41. Kf1 { [%eval 2.85] [%clk 0:00:06] } 41... Qh3+ { [%eval 3.07] [%clk 0:00:18] } 42. Ke1 { [%eval 3.2] [%clk 0:00:05] } 42... Qc3+ { [%eval 3.11] [%clk 0:00:17] } 43. Ke2 { [%eval 2.95] [%clk 0:00:06] } 43... Qb2+ { [%eval 3.43] [%clk 0:00:13] } 44. Kf3 { [%eval 3.35] [%clk 0:00:07] } 44... Qd2?! { [%eval 5.11] } { Inaccuracy. Qb7+ was best. } { [%clk 0:00:04] } 45. Qc6+ { [%eval 4.97] [%clk 0:00:07] } 45... Kg7 { [%eval 4.66] [%clk 0:00:06] } 46. Qc7+ { [%eval 4.62] [%clk 0:00:07] } 46... Kg8 { [%eval 5.12] [%clk 0:00:07] } 47. Qb8+ { [%eval 5.02] [%clk 0:00:07] } 47... Kg7 { [%eval 4.7] [%clk 0:00:07] } 48. Qe5+ { [%eval 4.59] [%clk 0:00:08] } 48... Kh7 { [%eval 4.42] [%clk 0:00:08] } 49. Qe7+ { [%clk 0:00:08] } 49... Kh6 { [%clk 0:00:09] } 50. Qe3+ { [%clk 0:00:09] } 1-0