Event: Round 4: De Coverly, Roger D - Jackson, Oliver A
Date: 2025-04-26
White: De Coverly, Roger D
WhiteElo: 1918
Black: Jackson, Oliver A
BlackTitle: FM
BlackElo: 2035
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Old Sicilian
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:56] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... Nc6 { [%eval 0.25] [%clk 1:31:20] } 3. g3 { [%eval -0.08] [%clk 1:31:35] } 3... g6 { [%eval -0.14] [%clk 1:31:43] } 4. Bg2 { [%eval -0.1] [%clk 1:31:54] } 4... Bg7 { [%eval 0.0] [%clk 1:32:07] } 5. O-O { [%eval -0.09] [%clk 1:32:02] } 5... d6 { [%eval 0.0] [%clk 1:32:24] } 6. c3 { [%eval -0.1] [%clk 1:31:52] } 6... e5 { [%eval 0.0] [%clk 1:32:33] } 7. d3 { [%eval -0.06] [%clk 1:31:31] } 7... Nge7 { [%eval 0.0] [%clk 1:31:54] } 8. Na3 { [%eval -0.21] [%clk 1:31:42] } 8... O-O { [%eval -0.13] [%clk 1:31:30] } 9. Be3 { [%eval -0.15] [%clk 1:30:28] } 9... b6 { [%eval -0.19] [%clk 1:18:06] } 10. d4 { [%eval -0.31] [%clk 1:28:32] } 10... Ba6 { [%eval 0.08] [%clk 1:16:27] } 11. Re1 { [%eval 0.01] [%clk 1:28:38] } 11... exd4 { [%eval 0.0] [%clk 1:15:25] } 12. cxd4 { [%eval -0.05] [%clk 1:28:41] } 12... Nb4 { [%eval -0.15] [%clk 1:13:29] } 13. Bf1 { [%eval -0.52] [%clk 1:22:18] } 13... Bb7?! { [%eval 0.5] } { Inaccuracy. Bxf1 was best. } { [%clk 1:11:04] } 14. Bd2 { [%eval 0.43] [%clk 1:19:32] } 14... Nec6? { [%eval 1.63] } { Mistake. a6 was best. } { [%clk 0:59:27] } 15. Bc3?? { [%eval -0.08] } { Blunder. d5 was best. } { [%clk 1:17:49] } 15... d5 { [%eval -0.05] [%clk 0:50:52] } 16. e5 { [%eval 0.0] [%clk 1:15:17] } 16... Re8? { [%eval 1.15] } { Mistake. a6 was best. } { [%clk 0:48:25] } 17. Nb5 { [%eval 1.09] [%clk 1:12:50] } 17... Bf8 { [%eval 1.08] [%clk 0:45:49] } 18. a3 { [%eval 1.12] [%clk 1:10:17] } 18... Na6 { [%eval 1.17] [%clk 0:38:48] } 19. Rc1 { [%eval 0.88] [%clk 0:58:12] } 19... Nc7 { [%eval 0.93] [%clk 0:33:12] } 20. Nxc7 { [%eval 0.96] [%clk 0:55:43] } 20... Qxc7 { [%eval 0.82] [%clk 0:33:35] } 21. h4 { [%eval 0.94] [%clk 0:54:12] } 21... Rad8 { [%eval 0.94] [%clk 0:32:56] } 22. h5 { [%eval 0.87] [%clk 0:52:19] } 22... Bc8 { [%eval 0.69] [%clk 0:32:59] } 23. Bd2?! { [%eval -0.28] } { Inaccuracy. Nh2 was best. } { [%clk 0:49:56] } 23... Bg4 { [%eval -0.18] [%clk 0:27:46] } 24. hxg6 { [%eval -0.17] [%clk 0:46:04] } 24... hxg6 { [%eval -0.27] [%clk 0:31:12] } 25. Be3 { [%eval -0.29] [%clk 0:43:47] } 25... Qc8 { [%eval 0.16] [%clk 0:22:36] } 26. Be2 { [%eval 0.13] [%clk 0:43:12] } 26... c4?! { [%eval 1.11] } { Inaccuracy. Be7 was best. } { [%clk 0:20:42] } 27. Nh2 { [%eval 0.94] [%clk 0:41:24] } 27... Bxe2 { [%eval 1.26] [%clk 0:17:34] } 28. Qxe2 { [%eval 1.01] [%clk 0:41:44] } 28... Bg7 { [%eval 1.31] [%clk 0:15:43] } 29. Qf3?! { [%eval 0.48] } { Inaccuracy. Ng4 was best. } { [%clk 0:40:54] } 29... Qf5 { [%eval 0.46] [%clk 0:15:06] } 30. Kg2?! { [%eval -0.14] } { Inaccuracy. Qxf5 was best. } { [%clk 0:39:00] } 30... Qxf3+ { [%eval -0.22] [%clk 0:15:14] } 31. Nxf3 { [%eval -0.18] [%clk 0:38:21] } 31... b5 { [%eval 0.31] [%clk 0:15:35] } 32. Rh1?! { [%eval -0.53] } { Inaccuracy. Bg5 was best. } { [%clk 0:36:00] } 32... a5? { [%eval 1.03] } { Mistake. f6 was best. } { [%clk 0:15:54] } 33. Rh3? { [%eval -0.37] } { Mistake. Bg5 was best. } { [%clk 0:34:18] } 33... b4?! { [%eval 0.47] } { Inaccuracy. f6 was best. } { [%clk 0:15:25] } 34. axb4 { [%eval 0.28] [%clk 0:34:14] } 34... axb4 { [%eval 0.24] [%clk 0:15:47] } 35. Bg5 { [%eval 0.49] [%clk 0:33:21] } 35... Rd7 { [%eval 0.32] [%clk 0:11:35] } 36. Bf6 { [%eval 0.0] [%clk 0:33:02] } 36... Re6 { [%eval 0.0] [%clk 0:10:38] } 37. Bxg7 { [%eval 0.0] [%clk 0:31:41] } 37... Kxg7 { [%eval 0.0] [%clk 0:11:06] } 38. Ng5 { [%eval 0.0] [%clk 0:31:35] } 38... Nxd4 { [%eval 0.0] [%clk 0:10:42] } 39. Nxe6+ { [%eval 0.0] [%clk 0:28:16] } 39... Nxe6 { [%eval 0.0] [%clk 0:10:57] } 40. f4 { [%eval -0.08] [%clk 0:27:08] } 40... Kf8 { [%eval 0.11] [%clk 0:10:20] } 41. Kf3 { [%eval 0.0] [%clk 0:24:35] } 41... Rc7 { [%eval 0.08] [%clk 0:10:06] } 42. Rh8+ { [%eval 0.12] [%clk 0:22:25] } 42... Ke7 { [%eval 0.17] [%clk 0:10:28] } 43. g4 { [%eval 0.0] [%clk 0:20:15] } 43... Nd4+ { [%eval 0.0] [%clk 0:10:15] } 44. Ke3 { [%eval -0.14] [%clk 0:19:59] } 44... Nb3 { [%eval -0.39] [%clk 0:10:37] } 45. Rf1?? { [%eval -2.23] } { Blunder. Rch1 was best. } { [%clk 0:15:39] } 45... d4+ { [%eval -2.16] [%clk 0:10:33] } 46. Kf2?! { [%eval -3.18] } { Inaccuracy. Ke2 was best. } { [%clk 0:15:34] } 46... c3 { [%eval -3.11] [%clk 0:09:17] } 47. f5 { [%eval -3.76] [%clk 0:14:01] } 47... gxf5 { [%eval -3.79] [%clk 0:09:13] } 48. gxf5 { [%eval -4.53] [%clk 0:14:15] } 48... c2 { [%eval -4.35] [%clk 0:09:03] } 49. f6+ { [%eval -4.8] [%clk 0:12:09] } 49... Ke6 { [%eval -4.65] [%clk 0:07:35] } 50. Re8+ { [%eval -4.56] [%clk 0:11:42] } 50... Kd5 { [%eval -4.46] [%clk 0:06:37] } 51. e6 { [%eval -5.2] [%clk 0:10:35] } 51... fxe6 { [%eval -5.18] [%clk 0:06:29] } 52. Re7 { [%eval -5.14] [%clk 0:10:52] } 52... Rc8 { [%eval -4.99] [%clk 0:04:29] } 53. f7 { [%eval -5.26] [%clk 0:07:40] } 53... Rf8 { [%eval -5.19] [%clk 0:04:53] } 54. Ke1?? { [%eval #-10] } { Checkmate is now unavoidable. Re1 was best. } { [%clk 0:02:13] } 54... Ke5?? { [%eval -5.06] } { Lost forced checkmate sequence. c1=Q+ was best. } { [%clk 0:04:53] } 0-1