Event: Round 4: Helsby, Matthew - Thomas Boby, Aiden
Date: 2025-07-29
White: Helsby, Matthew
WhiteElo: 1651
Black: Thomas Boby, Aiden
BlackElo: 1780
Result: 0-1
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... d5 { [%eval 0.2] [%clk 1:30:49] } 2. Nf3 { [%eval 0.08] [%clk 1:31:20] } 2... Nf6 { [%eval 0.11] [%clk 1:31:07] } 3. Bf4 { [%eval 0.02] [%clk 1:31:41] } 3... e6 { [%eval 0.1] [%clk 1:31:17] } 4. c3 { [%eval 0.0] [%clk 1:32:02] } 4... Be7 { [%eval 0.14] [%clk 1:30:29] } 5. Nbd2 { [%eval 0.09] [%clk 1:32:26] } 5... b6?! { [%eval 0.67] } { Inaccuracy. c5 was best. } { [%clk 1:30:01] } 6. e3 { [%eval 0.37] [%clk 1:32:21] } 6... Bb7 { [%eval 0.5] [%clk 1:29:44] } 7. Bd3 { [%eval 0.42] [%clk 1:32:45] } 7... Nbd7 { [%eval 0.41] [%clk 1:29:42] } 8. Ne5 { [%eval 0.61] [%clk 1:30:56] } 8... O-O { [%eval 0.8] [%clk 1:28:24] } 9. Bg3?! { [%eval 0.05] } { Inaccuracy. h4 was best. } { [%clk 1:31:00] } 9... Nxe5 { [%eval 0.14] [%clk 1:28:27] } 10. dxe5 { [%eval -0.14] [%clk 1:30:34] } 10... Nd7 { [%eval 0.11] [%clk 1:28:30] } 11. Qh5 { [%eval -0.18] [%clk 1:30:48] } 11... h6?! { [%eval 0.5] } { Inaccuracy. g6 was best. } { [%clk 1:27:12] } 12. Bf4 { [%eval 0.0] [%clk 1:28:52] } 12... Nc5 { [%eval 0.0] [%clk 1:25:47] } 13. Bc2 { [%eval -0.34] [%clk 1:28:53] } 13... Ba6 { [%eval -0.47] [%clk 1:21:39] } 14. O-O-O { [%eval -0.41] [%clk 1:25:44] } 14... Nd3+ { [%eval -0.2] [%clk 1:20:48] } 15. Bxd3?? { [%eval -2.12] } { Blunder. Kb1 was best. } { [%clk 1:25:09] } 15... Bxd3 { [%eval -1.8] [%clk 1:21:11] } 16. h4?! { [%eval -2.9] } { Inaccuracy. e4 was best. } { [%clk 1:24:50] } 16... Qd7 { [%eval -2.59] [%clk 1:19:48] } 17. Nb1 { [%eval -2.72] [%clk 1:21:52] } 17... Bg6 { [%eval -2.75] [%clk 1:17:52] } 18. Qe2 { [%eval -2.59] [%clk 1:22:06] } 18... Qa4 { [%eval -2.65] [%clk 1:17:40] } 19. a3 { [%eval -3.2] [%clk 1:22:13] } 19... Qb3?! { [%eval -2.3] } { Inaccuracy. b5 was best. } { [%clk 1:16:39] } 20. f3 { [%eval -2.38] [%clk 1:19:29] } 20... Bxb1? { [%eval -0.7] } { Mistake. b5 was best. } { [%clk 1:16:21] } 21. Kxb1 { [%eval -0.43] [%clk 1:19:48] } 21... Bxa3 { [%eval -0.52] [%clk 1:16:00] } 22. g4 { [%eval -0.6] [%clk 1:20:10] } 22... Be7 { [%eval -0.55] [%clk 1:15:58] } 23. h5 { [%eval -0.57] [%clk 1:20:08] } 23... a5 { [%eval -0.14] [%clk 1:04:58] } 24. e4?? { [%eval -2.45] } { Blunder. g5 was best. } { [%clk 1:18:13] } 24... dxe4 { [%eval -2.32] [%clk 1:00:56] } 25. Qxe4 { [%eval -2.35] [%clk 1:16:10] } 25... a4 { [%eval -2.27] [%clk 1:01:02] } 26. Rd2?! { [%eval -3.51] } { Inaccuracy. Qc2 was best. } { [%clk 1:15:14] } 26... a3 { [%eval -3.37] [%clk 1:00:45] } 27. g5?! { [%eval -4.79] } { Inaccuracy. Qc2 was best. } { [%clk 1:14:47] } 27... Ra4 { [%eval -4.81] [%clk 0:59:33] } 28. Qe3 { [%eval -5.66] [%clk 1:12:32] } 28... Bc5 { [%eval -5.31] [%clk 0:59:34] } 29. Qe1 { [%eval -5.27] [%clk 1:11:24] } 29... Rfa8 { [%eval -5.38] [%clk 0:55:47] } 30. Qd1 { [%eval -5.34] [%clk 1:05:38] } 30... Qxd1+ { [%eval -5.42] [%clk 0:55:25] } 31. Rhxd1 { [%eval -5.29] [%clk 1:06:07] } 31... Rxf4 { [%eval -5.12] [%clk 0:55:03] } 32. gxh6 { [%eval -5.42] [%clk 1:06:35] } 32... gxh6 { [%eval -5.37] [%clk 0:55:01] } 33. Rg2+ { [%eval -5.36] [%clk 1:06:43] } 33... Kh7 { [%eval -5.07] [%clk 0:54:48] } 34. b4 { [%eval -5.58] [%clk 1:06:47] } 34... Be7 { [%eval -5.19] [%clk 0:54:24] } 35. Rd7 { [%eval -5.18] [%clk 1:07:11] } 35... Bg5 { [%eval -5.04] [%clk 0:54:47] } 36. Rxc7 { [%eval -5.09] [%clk 1:07:05] } 36... Rxf3 { [%eval -4.92] [%clk 0:55:09] } 37. Ka2 { [%eval -4.98] [%clk 1:07:08] } 37... Rf1 { [%eval -4.83] [%clk 0:53:01] } 38. Rb7 { [%eval -4.9] [%clk 1:06:42] } 38... Bc1 { [%eval -4.57] [%clk 0:53:22] } 39. Rxb6 { [%eval -5.02] [%clk 1:06:22] } 39... Bb2 { [%eval -4.88] [%clk 0:53:47] } 40. Rc2? { [%eval -10.23] } { Mistake. Rxb2 was best. } { [%clk 1:05:30] } 40... Ra1+ { [%eval -10.01] [%clk 0:54:01] } 41. Kb3 { [%eval -10.19] [%clk 1:05:54] } 41... a2 { [%eval -9.58] [%clk 0:54:09] } 42. Rb7? { [%eval #-16] } { Checkmate is now unavoidable. Rxe6 was best. } { [%clk 1:05:23] } 42... Rf1 { [%eval -11.6] [%clk 0:54:27] } 43. Rxb2?! { [%eval #-7] } { Checkmate is now unavoidable. Rb8 was best. } { [%clk 1:04:36] } 43... a1=Q { [%eval #-6] [%clk 0:54:47] } 44. Rxf7+ { [%eval #-5] [%clk 1:04:37] } 44... Rxf7 { [%eval #-4] [%clk 0:54:37] } 45. Kc4 { [%eval #-4] [%clk 1:04:57] } 45... Qa6+ { [%eval #-5] [%clk 0:55:29] } 46. b5 { [%eval #-5] [%clk 1:05:20] } 46... Qc8+ { [%eval #-4] [%clk 0:55:42] } 47. Kb4 { [%eval #-4] [%clk 1:05:43] } 47... Rf4+ { [%eval #-3] [%clk 0:56:08] } 48. Kb3 { [%eval #-3] [%clk 1:06:05] } 48... Qc4+ { [%eval #-2] [%clk 0:56:32] } 49. Kc2 { [%eval #-2] [%clk 1:06:32] } 49... Rf2+ { [%eval #-1] [%clk 0:56:56] } 50. Kc1 { [%eval #-1] [%clk 1:06:49] } 50... Ra1+ { [%eval #-1] [%clk 0:57:17] } 51. Rb1 { [%eval #-1] [%clk 1:07:11] } 51... Qxc3+ { [%eval #-1] [%clk 0:57:39] } 52. Kd1 { [%clk 1:07:34] } 52... Rxb1# { [%clk 0:57:35] } 0-1