Event: Round 5: Alejandro Mateus - Mattia Pegno
Date: 2023-08-12
White: Alejandro Mateus
Black: Mattia Pegno
Result: 1-0
ECO: E04
Opening: Catalan Opening: Open Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... d5 { [%eval 0.27] [%clk 1:23:58] } 2. c4 { [%eval 0.29] [%clk 1:31:20] } 2... e6 { [%eval 0.3] [%clk 1:24:18] } 3. Nf3 { [%eval 0.0] [%clk 1:31:40] } 3... Nf6 { [%eval 0.17] [%clk 1:24:37] } 4. g3 { [%eval 0.2] [%clk 1:31:58] } 4... dxc4 { [%eval 0.4] [%clk 1:24:52] } 5. Bg2 { [%eval 0.29] [%clk 1:30:29] } 5... Nc6 { [%eval 0.3] [%clk 1:25:06] } 6. O-O { [%eval 0.0] [%clk 1:29:29] } 6... Rb8 { [%eval 0.24] [%clk 1:25:24] } 7. a4 { [%eval -0.21] [%clk 1:16:53] } 7... b6 { [%eval 0.0] [%clk 1:25:24] } 8. e3 { [%eval -0.13] [%clk 1:08:31] } 8... Nd5 { [%eval 0.28] [%clk 0:53:43] } 9. Qe2 { [%eval 0.04] [%clk 0:58:28] } 9... Na5 { [%eval 0.12] [%clk 0:47:19] } 10. Ne5 { [%eval 0.22] [%clk 0:50:40] } 10... c5 { [%eval 0.41] [%clk 0:42:25] } 11. Nd2 { [%eval 0.01] [%clk 0:37:53] } 11... Ba6 { [%eval 0.03] [%clk 0:31:06] } 12. b3 { [%eval -0.43] [%clk 0:27:24] } 12... Bd6 { [%eval -0.5] [%clk 0:29:00] } 13. bxc4?! { [%eval -1.06] } { Inaccuracy. Nexc4 was best. } { [%clk 0:26:08] } 13... Bxe5?! { [%eval -0.19] } { Inaccuracy. Nc3 was best. } { [%clk 0:28:49] } 14. dxe5 { [%eval -0.41] [%clk 0:26:31] } 14... O-O { [%eval -0.15] [%clk 0:28:35] } 15. Bb2 { [%eval -0.25] [%clk 0:22:20] } 15... Nb4 { [%eval -0.15] [%clk 0:24:31] } 16. Be4 { [%eval -0.24] [%clk 0:18:39] } 16... g6 { [%eval 0.0] [%clk 0:07:41] } 17. Rfd1 { [%eval 0.0] [%clk 0:16:05] } 17... Qe7 { [%eval 0.0] [%clk 0:07:43] } 18. Rac1 { [%eval -0.44] [%clk 0:12:30] } 18... Rfd8 { [%eval -0.57] [%clk 0:07:33] } 19. Bb1 { [%eval -0.36] [%clk 0:10:19] } 19... Bb7 { [%eval -0.46] [%clk 0:05:47] } 20. Ne4 { [%eval -0.5] [%clk 0:06:53] } 20... Bxe4 { [%eval -0.28] [%clk 0:05:25] } 21. Bxe4 { [%eval -0.61] [%clk 0:07:16] } 21... Rxd1+ { [%eval -0.68] [%clk 0:05:29] } 22. Rxd1 { [%eval -0.69] [%clk 0:06:11] } 22... Rd8 { [%eval -0.52] [%clk 0:05:49] } 23. Ra1 { [%eval -0.87] [%clk 0:04:49] } 23... Qd7 { [%eval -0.39] [%clk 0:03:57] } 24. Bc3 { [%eval -0.32] [%clk 0:05:11] } 24... Qc8 { [%eval 0.0] [%clk 0:02:41] } 25. Bg2 { [%eval -0.29] [%clk 0:03:53] } 25... Qa6 { [%eval 0.0] [%clk 0:01:54] } 26. Bf1 { [%eval 0.0] [%clk 0:04:19] } 26... Nb3 { [%eval 0.52] [%clk 0:01:51] } 27. Rd1 { [%eval 0.47] [%clk 0:02:54] } 27... Qc8 { [%eval 0.75] [%clk 0:01:20] } 28. Rd6 { [%eval 0.89] [%clk 0:02:47] } 28... Rxd6?? { [%eval 3.14] } { Blunder. Na5 was best. } { [%clk 0:00:48] } 29. exd6 { [%eval 2.96] [%clk 0:03:13] } 29... Qd7?! { [%eval 4.46] } { Inaccuracy. Nc6 was best. } { [%clk 0:00:48] } 30. Qf3 { [%eval 4.46] [%clk 0:02:06] } 30... f5 { [%eval 4.86] [%clk 0:00:33] } 31. Qa8+ { [%eval 4.85] [%clk 0:01:58] } 31... Kf7 { [%eval 4.78] [%clk 0:00:58] } 32. Qh8 { [%eval 4.81] [%clk 0:02:10] } 32... Qxd6 { [%eval 4.81] [%clk 0:00:53] } 33. Qxh7+ { [%eval 4.66] [%clk 0:01:50] } 33... Ke8 { [%eval 4.9] [%clk 0:01:16] } 34. Qxg6+ { [%eval 4.8] [%clk 0:02:00] } 34... Kd7 { [%eval 5.14] [%clk 0:01:39] } 35. h4 { [%eval 5.1] [%clk 0:01:38] } 35... Nc6 { [%eval 5.48] [%clk 0:00:34] } 36. h5 { [%eval 5.5] [%clk 0:01:46] } 36... Ne7 { [%eval 5.89] [%clk 0:00:58] } 37. Qg7 { [%eval 5.75] [%clk 0:02:01] } 37... f4 { [%eval 5.94] [%clk 0:00:33] } 38. gxf4 { [%eval 6.35] [%clk 0:01:32] } 38... Kc6 { [%eval 8.02] [%clk 0:00:33] } 39. h6 { [%eval 8.79] [%clk 0:00:53] } 39... a6 { [%eval 13.53] [%clk 0:00:31] } 40. h7 { [%eval 15.02] [%clk 0:01:09] } 40... b5 { [%eval 22.2] [%clk 0:00:31] } 41. axb5+ { [%eval 22.26] [%clk 0:01:20] } 41... axb5?! { [%eval #14] } { Checkmate is now unavoidable. Kb6 was best. } { [%clk 0:00:53] } 42. h8=Q?! { [%eval 56.87] } { Lost forced checkmate sequence. cxb5+ was best. } { [%clk 0:01:36] } 42... b4?! { [%eval #6] } { Checkmate is now unavoidable. Kb6 was best. } { [%clk 0:01:03] } 43. Qe8+ { [%eval #6] [%clk 0:01:45] } 43... Kb6 { [%eval #6] [%clk 0:01:26] } 44. Qexe7 { [%eval #10] [%clk 0:01:31] } 44... Qxe7 { [%eval #11] [%clk 0:01:49] } 45. Qxe7 { [%eval #10] [%clk 0:01:58] } 45... bxc3 { [%eval #10] [%clk 0:02:12] } 46. Bd3 { [%eval #36] [%clk 0:01:58] } 1-0