Event: Round 4: Pranav Mathur - Nelson, Leon
Date: 2025-07-31
White: Pranav Mathur
WhiteElo: 1913
Black: Nelson, Leon
BlackElo: 1660
Result: 0-1
ECO: A02
Opening: Bird Opening: Horsefly Defense
Variant: Standard
TimeControl: 3+2

1. f4 { [%eval -0.23] [%clk 0:03:03] } 1... Nh6 { [%eval 0.0] [%clk 0:03:01] } 2. Nf3 { [%eval 0.0] [%clk 0:03:01] } 2... c5 { [%eval 0.12] [%clk 0:03:02] } 3. e4 { [%eval 0.09] [%clk 0:02:51] } 3... d5 { [%eval 0.56] [%clk 0:03:03] } 4. exd5 { [%eval 0.41] [%clk 0:02:52] } 4... Qxd5 { [%eval 0.48] [%clk 0:02:58] } 5. Nc3 { [%eval 0.51] [%clk 0:02:49] } 5... Qd8 { [%eval 0.81] [%clk 0:02:56] } 6. Bc4?! { [%eval 0.0] } { Inaccuracy. d4 was best. } { [%clk 0:02:47] } 6... e6 { [%eval 0.37] [%clk 0:02:53] } 7. O-O?! { [%eval -0.19] } { Inaccuracy. d4 was best. } { [%clk 0:02:45] } 7... Bd6?! { [%eval 0.36] } { Inaccuracy. Be7 was best. } { [%clk 0:02:49] } 8. d3 { [%eval 0.25] [%clk 0:02:42] } 8... O-O { [%eval 0.2] [%clk 0:02:47] } 9. Kh1?! { [%eval -0.61] } { Inaccuracy. a4 was best. } { [%clk 0:02:25] } 9... Nc6 { [%eval -0.47] [%clk 0:02:46] } 10. Ne4 { [%eval -0.5] [%clk 0:01:58] } 10... Nf5 { [%eval -0.45] [%clk 0:02:41] } 11. Nxd6 { [%eval -0.6] [%clk 0:01:52] } 11... Nxd6 { [%eval -0.41] [%clk 0:02:40] } 12. Bb3 { [%eval -0.35] [%clk 0:01:50] } 12... b5 { [%eval -0.13] [%clk 0:02:39] } 13. a4 { [%eval -0.29] [%clk 0:01:44] } 13... Na5 { [%eval -0.29] [%clk 0:02:07] } 14. c3 { [%eval -0.56] [%clk 0:01:34] } 14... Nxb3 { [%eval -0.31] [%clk 0:01:57] } 15. Qxb3 { [%eval -0.3] [%clk 0:01:35] } 15... Rb8 { [%eval -0.26] [%clk 0:01:57] } 16. axb5 { [%eval -0.34] [%clk 0:01:29] } 16... Nxb5?? { [%eval 3.8] } { Blunder. Rxb5 was best. } { [%clk 0:01:57] } 17. Qc2?? { [%eval 0.0] } { Blunder. c4 was best. } { [%clk 0:01:30] } 17... Bb7 { [%eval 0.0] [%clk 0:01:50] } 18. Be3 { [%eval 0.04] [%clk 0:01:26] } 18... Qc7 { [%eval 0.22] [%clk 0:01:40] } 19. c4 { [%eval -0.02] [%clk 0:01:16] } 19... Bxf3 { [%eval 0.0] [%clk 0:01:19] } 20. Rxf3 { [%eval -0.01] [%clk 0:01:06] } 20... Nd4 { [%eval 0.07] [%clk 0:01:20] } 21. Bxd4 { [%eval 0.1] [%clk 0:01:06] } 21... cxd4 { [%eval 0.08] [%clk 0:01:21] } 22. Qf2 { [%eval 0.0] [%clk 0:00:51] } 22... Qb6 { [%eval 0.16] [%clk 0:01:21] } 23. Rb1 { [%eval 0.0] [%clk 0:00:31] } 23... a5 { [%eval 0.0] [%clk 0:01:19] } 24. f5 { [%eval 0.0] [%clk 0:00:31] } 24... a4?! { [%eval 0.71] } { Inaccuracy. f6 was best. } { [%clk 0:01:14] } 25. f6 { [%eval 0.65] [%clk 0:00:26] } 25... gxf6?? { [%eval #2] } { Checkmate is now unavoidable. Rfe8 was best. } { [%clk 0:00:55] } 26. Rxf6?? { [%eval 2.31] } { Lost forced checkmate sequence. Rg3+ was best. } { [%clk 0:00:22] } 26... a3?? { [%eval 5.0] } { Blunder. Rb7 was best. } { [%clk 0:00:56] } 27. Qg3+ { [%eval 5.0] [%clk 0:00:17] } 27... Kh8 { [%eval 5.05] [%clk 0:00:56] } 28. Qe5 { [%eval 4.94] [%clk 0:00:15] } 28... Kg8 { [%eval 4.83] [%clk 0:00:51] } 29. Rh6?? { [%eval 0.0] } { Blunder. Qg5+ was best. } { [%clk 0:00:09] } 29... f6 { [%eval 0.0] [%clk 0:00:34] } 30. Qg3+ { [%eval 0.0] [%clk 0:00:07] } 30... Kh8 { [%eval 0.0] [%clk 0:00:32] } 31. Qh4?? { [%eval -1.91] } { Blunder. Qf2 was best. } { [%clk 0:00:06] } 31... Qb7?? { [%eval 0.0] } { Blunder. Rf7 was best. } { [%clk 0:00:20] } 32. Qxd4?? { [%eval -3.66] } { Blunder. Rxf6 was best. } { [%clk 0:00:05] } 32... a2?? { [%eval -1.27] } { Blunder. Rg8 was best. } { [%clk 0:00:17] } 33. Ra1 { [%eval -1.33] [%clk 0:00:03] } 33... Qxb2? { [%eval 0.0] } { Mistake. Rfd8 was best. } { [%clk 0:00:16] } 34. Rxh7+ { [%eval 0.0] [%clk 0:00:03] } 34... Kxh7 { [%eval 0.0] [%clk 0:00:15] } 35. Qh4+ { [%eval 0.0] [%clk 0:00:04] } 35... Kg7 { [%eval 0.0] [%clk 0:00:16] } 36. Qg3+ { [%eval 0.0] [%clk 0:00:05] } 36... Kf7 { [%eval 0.0] [%clk 0:00:17] } 37. Qc7+ { [%eval 0.0] [%clk 0:00:06] } 37... Ke8 { [%eval 0.0] [%clk 0:00:05] } 38. Qc6+ { [%eval 0.0] [%clk 0:00:06] } 38... Kf7 { [%eval 0.0] [%clk 0:00:03] } 39. Qc7+ { [%eval 0.0] [%clk 0:00:07] } 39... Kg6 { [%eval 0.0] [%clk 0:00:04] } 40. Qg3+ { [%eval 0.0] [%clk 0:00:08] } 40... Kf5?? { [%eval #2] } { Checkmate is now unavoidable. Kh7 was best. } { [%clk 0:00:05] } 41. Qf3+?? { [%eval -6.59] } { Lost forced checkmate sequence. Rf1+ was best. } { [%clk 0:00:08] } 41... Ke5 { [%eval -6.01] [%clk 0:00:06] } 42. Re1+ { [%eval -6.63] [%clk 0:00:05] } 42... Kd6 { [%eval -6.82] [%clk 0:00:06] } 43. Qf4+ { [%eval -7.58] [%clk 0:00:04] } 43... e5 { [%eval -7.17] [%clk 0:00:07] } 44. Qe4 { [%eval -9.37] [%clk 0:00:04] } 44... a1=Q { [%eval -9.12] [%clk 0:00:05] } 45. Qd5+? { [%eval #-11] } { Checkmate is now unavoidable. h4 was best. } { [%clk 0:00:06] } 45... Ke7 { [%eval #-10] [%clk 0:00:07] } 46. Qc5+ { [%eval #-10] [%clk 0:00:06] } 46... Kf7 { [%eval #-9] [%clk 0:00:07] } 47. Qd5+ { [%eval #-9] [%clk 0:00:07] } 47... Kg6 { [%eval #-8] [%clk 0:00:07] } 48. Qe4+ { [%eval #-8] [%clk 0:00:07] } 48... f5 { [%eval #-7] [%clk 0:00:08] } 49. Qc6+ { [%eval #-5] [%clk 0:00:08] } 49... Rf6 { [%clk 0:00:10] } 0-1