Event: Biel Chess Festival BTZ
Site: Biel, Switzerland
Date: 2024-07-21
White: Saine, Zachary
WhiteElo: 2081
Black: Lane, Samuel
BlackElo: 1969
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 3' + 2''/mv from move 1

1. e4 { [%eval 0.15] [%clk 0:03:03] } 1... c5 { [%eval 0.25] [%clk 0:03:04] } 2. Nf3 { [%eval 0.22] [%clk 0:03:04] } 2... d6 { [%eval 0.26] [%clk 0:03:05] } 3. d4 { [%eval 0.26] [%clk 0:03:05] } 3... cxd4 { [%eval 0.28] [%clk 0:03:06] } 4. Nxd4 { [%eval 0.18] [%clk 0:03:06] } 4... Nf6 { [%eval 0.24] [%clk 0:03:07] } 5. Nc3 { [%eval 0.32] [%clk 0:03:07] } 5... a6 { [%eval 0.28] [%clk 0:03:08] } 6. f3 { [%eval 0.13] [%clk 0:03:08] } 6... e6 { [%eval 0.39] [%clk 0:03:08] } 7. Bc4 { [%eval 0.02] [%clk 0:03:08] } 7... b5 { [%eval 0.05] [%clk 0:03:08] } 8. Bb3 { [%eval 0.12] [%clk 0:03:08] } 8... Bb7 { [%eval 0.31] [%clk 0:03:09] } 9. Be3 { [%eval 0.28] [%clk 0:03:09] } 9... Nbd7 { [%eval 0.49] [%clk 0:03:10] } 10. a3 { [%eval 0.42] [%clk 0:03:09] } 10... Rc8 { [%eval 0.54] [%clk 0:03:11] } 11. g4 { [%eval 0.32] [%clk 0:03:07] } 11... Nc5 { [%eval 0.37] [%clk 0:03:06] } 12. Ba2 { [%eval 0.38] [%clk 0:02:55] } 12... h6 { [%eval 0.43] [%clk 0:02:55] } 13. Qd2 { [%eval 0.29] [%clk 0:02:54] } 13... d5 { [%eval 0.36] [%clk 0:02:50] } 14. e5 { [%eval 0.38] [%clk 0:02:54] } 14... Nfd7 { [%eval 0.34] [%clk 0:02:49] } 15. Bf4?! { [%eval -0.39] } { Inaccuracy. f4 was best. } { [%clk 0:02:40] } 15... Be7 { [%eval -0.16] [%clk 0:02:32] } 16. O-O-O { [%eval -0.13] [%clk 0:02:37] } 16... Qb6 { [%eval 0.3] [%clk 0:01:34] } 17. Bg3? { [%eval -1.14] } { Mistake. Kb1 was best. } { [%clk 0:02:21] } 17... b4 { [%eval -1.0] [%clk 0:01:34] } 18. axb4 { [%eval -1.0] [%clk 0:02:14] } 18... Qxb4 { [%eval -1.03] [%clk 0:01:35] } 19. f4 { [%eval -0.98] [%clk 0:02:07] } 19... Na4?? { [%eval 1.15] } { Blunder. Ba8 was best. } { [%clk 0:01:25] } 20. Nxa4 { [%eval 1.12] [%clk 0:02:07] } 20... Qxa4 { [%eval 1.08] [%clk 0:01:26] } 21. Kb1 { [%eval 0.98] [%clk 0:02:08] } 21... Bb4 { [%eval 1.22] [%clk 0:01:19] } 22. Qe2 { [%eval 0.89] [%clk 0:01:51] } 22... Nc5?! { [%eval 1.96] } { Inaccuracy. Bc5 was best. } { [%clk 0:01:13] } 23. f5 { [%eval 1.82] [%clk 0:01:50] } 23... Bc3?! { [%eval 2.87] } { Inaccuracy. a5 was best. } { [%clk 0:00:54] } 24. bxc3 { [%eval 2.2] [%clk 0:01:31] } 24... Ne4?! { [%eval 3.03] } { Inaccuracy. Qa3 was best. } { [%clk 0:00:55] } 25. Be1 { [%eval 3.02] [%clk 0:01:31] } 25... Rxc3?! { [%eval 4.31] } { Inaccuracy. Rc5 was best. } { [%clk 0:00:52] } 26. Bb3 { [%eval 4.3] [%clk 0:01:21] } 26... Qb4 { [%eval 4.25] [%clk 0:00:33] } 27. Kb2 { [%eval 4.35] [%clk 0:01:08] } 27... O-O { [%eval 4.24] [%clk 0:00:31] } 28. fxe6 { [%eval 4.18] [%clk 0:00:59] } 28... fxe6 { [%eval 4.08] [%clk 0:00:25] } 29. Bxc3?! { [%eval 2.58] } { Inaccuracy. Qxe4 was best. } { [%clk 0:00:30] } 29... Qxc3+ { [%eval 2.5] [%clk 0:00:18] } 30. Kb1 { [%eval 2.58] [%clk 0:00:38] } 30... Qb4 { [%eval 2.58] [%clk 0:00:19] } 31. Rd3 { [%eval 2.51] [%clk 0:00:11] } 31... a5?! { [%eval 3.71] } { Inaccuracy. Qxd4 was best. } { [%clk 0:00:18] } 32. Qe1 { [%eval 3.47] [%clk 0:00:10] } 32... Qb6 { [%eval 3.85] [%clk 0:00:10] } 33. Ka2?? { [%eval -1.95] } { Blunder. Nxe6 was best. } { [%clk 0:00:08] } 33... a4 { [%eval -1.73] [%clk 0:00:10] } 34. Bxa4?! { [%eval -2.59] } { Inaccuracy. Qe3 was best. } { [%clk 0:00:07] } 34... Ra8 { [%eval -2.41] [%clk 0:00:11] } 35. Ra3 { [%eval -2.92] [%clk 0:00:08] } 35... Qxd4 { [%eval -2.94] [%clk 0:00:11] } 36. Qb1?? { [%eval -7.24] } { Blunder. Qa1 was best. } { [%clk 0:00:05] } 36... Nc3+ { [%eval -7.39] [%clk 0:00:12] } 37. Rxc3 { [%eval -7.25] [%clk 0:00:04] } 37... Qxc3 { [%eval -7.17] [%clk 0:00:11] } 38. Qb3 { [%eval -6.83] [%clk 0:00:05] } 38... Qc6?! { [%eval -4.9] } { Inaccuracy. Qd4 was best. } { [%clk 0:00:08] } 39. Ka3 { [%eval -4.92] [%clk 0:00:06] } 39... Qc5+ { [%eval -4.85] [%clk 0:00:10] } 40. Ka2?! { [%eval -7.22] } { Inaccuracy. Kb2 was best. } { [%clk 0:00:07] } 40... Bc6 { [%eval -6.89] [%clk 0:00:10] } 41. Ra1?? { [%eval #-11] } { Checkmate is now unavoidable. Rb1 was best. } { [%clk 0:00:02] } 41... Bxa4 { [%eval -7.34] [%clk 0:00:09] } 42. Qb7?? { [%eval #-4] } { Checkmate is now unavoidable. Kb2 was best. } { [%clk 0:00:03] } 42... Bc6+? { [%eval -7.42] } { Lost forced checkmate sequence. Qxc2+ was best. } { [%clk 0:00:07] } 43. Qxa8+ { [%eval -7.4] [%clk 0:00:04] } 43... Bxa8 { [%eval -7.29] [%clk 0:00:08] } 44. Kb2 { [%eval -7.59] [%clk 0:00:06] } 44... Qb4+ { [%eval -7.58] [%clk 0:00:10] } 45. Kc1 { [%eval -7.55] [%clk 0:00:07] } 45... Qe1+ { [%eval -7.37] [%clk 0:00:09] } 46. Kb2 { [%eval -6.97] } 46... Qxa1+ { [%eval -6.16] [%clk 0:00:08] } 47. Kxa1 { [%eval -6.03] [%clk 0:00:08] } 47... Bb7 { [%eval -6.16] [%clk 0:00:10] } 48. Kb2 { [%eval -5.99] [%clk 0:00:10] } 48... Kf7 { [%eval -5.62] [%clk 0:00:11] } 49. Kc3 { [%eval -7.77] [%clk 0:00:11] } 49... Kg6 { [%eval -7.59] [%clk 0:00:13] } 50. Kd4 { [%eval -7.53] [%clk 0:00:13] } 50... Kg5 { [%eval -7.11] [%clk 0:00:15] } 51. h3 { [%eval -8.14] [%clk 0:00:14] } 51... Kh4 { [%eval -7.65] [%clk 0:00:16] } 52. c4?? { [%eval #-16] } { Checkmate is now unavoidable. Kc5 was best. } { [%clk 0:00:15] } 52... dxc4 { [%eval #-16] [%clk 0:00:17] } 53. Kxc4 { [%eval #-16] [%clk 0:00:16] } 53... Kxh3 { [%eval #-16] [%clk 0:00:18] } 0-1