Event: Round 5: Mareco, Sandro - Umetsubo, Cesar Hidemitsu
Date: 2025-07-02
White: Mareco, Sandro
WhiteTitle: GM
WhiteElo: 2572
Black: Umetsubo, Cesar Hidemitsu
BlackTitle: IM
BlackElo: 2346
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Classical Attack, Mason-Showalter Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:40] } 1... e5 { [%eval 0.22] [%clk 1:23:10] } 2. Nf3 { [%eval 0.13] [%clk 1:30:02] } 2... Nf6 { [%eval 0.34] [%clk 1:21:39] } 3. Nxe5 { [%eval 0.29] [%clk 1:30:27] } 3... d6 { [%eval 0.22] [%clk 1:22:06] } 4. Nf3 { [%eval 0.31] [%clk 1:30:53] } 4... Nxe4 { [%eval 0.24] [%clk 1:22:34] } 5. d4 { [%eval 0.25] [%clk 1:31:17] } 5... d5 { [%eval 0.2] [%clk 1:22:56] } 6. Bd3 { [%eval 0.21] [%clk 1:31:43] } 6... Nc6 { [%eval 0.26] [%clk 1:22:39] } 7. O-O { [%eval 0.2] [%clk 1:31:57] } 7... Be7 { [%eval 0.3] [%clk 1:22:59] } 8. Nc3 { [%eval 0.25] [%clk 1:32:16] } 8... Nxc3 { [%eval 0.35] [%clk 1:21:10] } 9. bxc3 { [%eval 0.35] [%clk 1:32:40] } 9... Bg4 { [%eval 0.37] [%clk 1:21:03] } 10. Rb1 { [%eval 0.43] [%clk 1:33:05] } 10... Rb8 { [%eval 0.39] [%clk 1:20:20] } 11. Re1 { [%eval 0.41] [%clk 1:33:28] } 11... O-O { [%eval 0.3] [%clk 1:20:18] } 12. Bf4 { [%eval 0.35] [%clk 1:33:54] } 12... Bd6 { [%eval 0.41] [%clk 1:18:30] } 13. Bxd6 { [%eval 0.32] [%clk 1:34:16] } 13... cxd6 { [%eval 0.6] [%clk 1:14:58] } 14. Re3 { [%eval 0.33] [%clk 1:22:13] } 14... h6 { [%eval 0.86] [%clk 1:06:34] } 15. h3 { [%eval 0.82] [%clk 1:11:01] } 15... Bh5 { [%eval 0.81] [%clk 1:02:12] } 16. Qd2 { [%eval 0.31] [%clk 1:08:15] } 16... f5 { [%eval 0.35] [%clk 0:59:11] } 17. Kh2 { [%eval 0.22] [%clk 1:00:57] } 17... f4 { [%eval 0.26] [%clk 0:54:54] } 18. Re6 { [%eval 0.19] [%clk 1:01:20] } 18... Qd7 { [%eval 0.31] [%clk 0:53:05] } 19. Ree1 { [%eval 0.19] [%clk 1:01:41] } 19... Qf7 { [%eval 0.39] [%clk 0:36:07] } 20. Nh4 { [%eval 0.18] [%clk 0:59:52] } 20... Qf6 { [%eval 0.12] [%clk 0:35:57] } 21. Nf3 { [%eval 0.22] [%clk 0:58:20] } 21... b6 { [%eval 0.33] [%clk 0:25:49] } 22. Ng1?! { [%eval -0.39] } { Inaccuracy. Rb5 was best. } { [%clk 0:50:10] } 22... Ne7?! { [%eval 0.37] } { Inaccuracy. Na5 was best. } { [%clk 0:20:50] } 23. c4 { [%eval 0.36] [%clk 0:50:13] } 23... dxc4 { [%eval 0.52] [%clk 0:17:28] } 24. Bxc4+ { [%eval 0.56] [%clk 0:50:31] } 24... d5 { [%eval 0.84] [%clk 0:17:43] } 25. Bd3 { [%eval 0.37] [%clk 0:50:25] } 25... f3?! { [%eval 1.13] } { Inaccuracy. Ng6 was best. } { [%clk 0:16:41] } 26. g3 { [%eval 0.69] [%clk 0:50:16] } 26... Nc6 { [%eval 0.94] [%clk 0:14:50] } 27. c3 { [%eval 0.84] [%clk 0:50:22] } 27... Rbe8 { [%eval 0.81] [%clk 0:12:56] } 28. Rxe8 { [%eval 0.99] [%clk 0:50:04] } 28... Rxe8 { [%eval 0.94] [%clk 0:13:04] } 29. Re1 { [%eval 0.9] [%clk 0:50:25] } 29... Rf8?! { [%eval 1.76] } { Inaccuracy. Rxe1 was best. } { [%clk 0:07:56] } 30. Re3?! { [%eval 1.04] } { Inaccuracy. h4 was best. } { [%clk 0:49:42] } 30... Na5 { [%eval 1.11] [%clk 0:07:30] } 31. Re5 { [%eval 1.06] [%clk 0:49:27] } 31... Bg6 { [%eval 1.21] [%clk 0:05:20] } 32. Qc2?! { [%eval 0.12] } { Inaccuracy. Re3 was best. } { [%clk 0:44:43] } 32... Nc4?? { [%eval 3.56] } { Blunder. Bxd3 was best. } { [%clk 0:04:54] } 33. Bxg6 { [%eval 3.66] [%clk 0:43:54] } 33... Nxe5 { [%eval 3.69] [%clk 0:05:21] } 34. dxe5 { [%eval 3.54] [%clk 0:44:19] } 34... Qxe5 { [%eval 3.28] [%clk 0:05:42] } 35. Qd2 { [%eval 2.7] [%clk 0:42:44] } 35... Rf6 { [%eval 2.87] [%clk 0:02:57] } 36. Bc2 { [%eval 2.83] [%clk 0:42:08] } 36... g5? { [%eval 4.61] } { Mistake. Kf7 was best. } { [%clk 0:02:16] } 37. Bb3 { [%eval 4.7] [%clk 0:41:51] } 37... Kg7 { [%eval 4.87] [%clk 0:01:24] } 38. Bxd5 { [%eval 4.73] [%clk 0:40:45] } 38... Rd6 { [%eval 5.1] [%clk 0:00:31] } 39. c4 { [%eval 5.08] [%clk 0:41:06] } 39... Qf6 { [%eval 5.23] [%clk 0:00:33] } 40. Qe3 { [%eval 5.23] [%clk 0:40:50] } 1-0