Event: Round 4: Oviedo Acosta, Paula - Becker, Rogerio Sperb
Date: 2025-01-22
White: Oviedo Acosta, Paula
WhiteTitle: WFM
WhiteElo: 1885
Black: Becker, Rogerio Sperb
BlackElo: 2117
Result: 0-1
ECO: B03
Opening: Alekhine Defense: Exchange Variation
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:03] } 1... Nf6 { [%eval 0.52] [%clk 0:03:01] } 2. e5 { [%eval 0.53] [%clk 0:03:03] } 2... Nd5 { [%eval 0.57] [%clk 0:03:02] } 3. c4 { [%eval 0.53] [%clk 0:03:03] } 3... Nb6 { [%eval 0.52] [%clk 0:03:03] } 4. d4 { [%eval 0.6] [%clk 0:03:04] } 4... d6 { [%eval 0.63] [%clk 0:03:05] } 5. exd6 { [%eval 0.41] [%clk 0:02:59] } 5... exd6 { [%eval 0.52] [%clk 0:03:06] } 6. Nc3 { [%eval 0.39] [%clk 0:02:59] } 6... Be7 { [%eval 0.42] [%clk 0:03:06] } 7. Nf3 { [%eval 0.39] [%clk 0:02:57] } 7... Bg4 { [%eval 0.63] [%clk 0:03:04] } 8. a4?! { [%eval 0.08] } { Inaccuracy. h3 was best. } { [%clk 0:02:47] } 8... a5 { [%eval 0.07] [%clk 0:03:04] } 9. Be3 { [%eval -0.11] [%clk 0:02:42] } 9... O-O { [%eval 0.26] [%clk 0:03:04] } 10. Be2?! { [%eval -0.37] } { Inaccuracy. h3 was best. } { [%clk 0:02:42] } 10... Nc6 { [%eval 0.0] [%clk 0:03:04] } 11. O-O { [%eval -0.27] [%clk 0:02:41] } 11... Bxf3 { [%eval -0.22] [%clk 0:03:03] } 12. Bxf3 { [%eval -0.25] [%clk 0:02:37] } 12... Nxc4 { [%eval -0.41] [%clk 0:03:01] } 13. Qc2? { [%eval -1.64] } { Mistake. Bf4 was best. } { [%clk 0:02:21] } 13... Nb4 { [%eval -1.65] [%clk 0:02:55] } 14. Qb3 { [%eval -1.8] [%clk 0:02:15] } 14... Nxe3 { [%eval -1.87] [%clk 0:02:51] } 15. fxe3 { [%eval -1.8] [%clk 0:02:15] } 15... c6 { [%eval -1.79] [%clk 0:02:51] } 16. Be2 { [%eval -2.29] [%clk 0:01:56] } 16... d5 { [%eval -2.04] [%clk 0:02:50] } 17. Rf3 { [%eval -2.41] [%clk 0:01:49] } 17... Bg5 { [%eval -2.28] [%clk 0:02:45] } 18. Raf1 { [%eval -2.43] [%clk 0:01:48] } 18... Qe7 { [%eval -1.99] [%clk 0:02:45] } 19. Nd1?! { [%eval -2.77] } { Inaccuracy. e4 was best. } { [%clk 0:01:49] } 19... Rae8 { [%eval -2.83] [%clk 0:02:42] } 20. g3 { [%eval -2.88] [%clk 0:01:34] } 20... g6 { [%eval -2.62] [%clk 0:02:43] } 21. Kg2 { [%eval -2.82] [%clk 0:01:16] } 21... h5 { [%eval -2.72] [%clk 0:02:40] } 22. h4 { [%eval -2.96] [%clk 0:01:05] } 22... Bh6 { [%eval -3.0] [%clk 0:02:39] } 23. Rf6?! { [%eval -4.35] } { Inaccuracy. Re1 was best. } { [%clk 0:01:03] } 23... Bxe3 { [%eval -4.14] [%clk 0:02:25] } 24. Bd3 { [%eval -5.01] [%clk 0:00:31] } 24... Bxd4 { [%eval -5.01] [%clk 0:02:13] } 25. R6f3 { [%eval -5.0] [%clk 0:00:16] } 25... Nxd3 { [%eval -4.94] [%clk 0:02:08] } 26. Qxd3 { [%eval -4.94] [%clk 0:00:13] } 26... Qe2+ { [%eval -4.94] [%clk 0:02:07] } 27. Qxe2 { [%eval -5.13] [%clk 0:00:13] } 27... Rxe2+ { [%eval -5.07] [%clk 0:02:08] } 28. Kh3 { [%eval -5.06] [%clk 0:00:08] } 28... f5 { [%eval -5.09] [%clk 0:02:04] } 29. Rb3 { [%eval -5.23] [%clk 0:00:07] } 29... Rf7 { [%eval -5.26] [%clk 0:02:03] } 30. Rf4 { [%eval -6.57] [%clk 0:00:07] } 30... c5?! { [%eval -4.89] } { Inaccuracy. Bg1 was best. } { [%clk 0:01:59] } 31. Rb5?! { [%eval -6.83] } { Inaccuracy. Rf1 was best. } { [%clk 0:00:08] } 31... Rd2?! { [%eval -5.21] } { Inaccuracy. Bg1 was best. } { [%clk 0:01:51] } 32. Nc3?? { [%eval #-5] } { Checkmate is now unavoidable. Rf1 was best. } { [%clk 0:00:09] } 32... Bxc3?? { [%eval -5.24] } { Lost forced checkmate sequence. Bg1 was best. } { [%clk 0:01:51] } 33. bxc3 { [%eval -5.12] [%clk 0:00:10] } 33... Re7 { [%eval -5.38] [%clk 0:01:42] } 34. Rxc5?? { [%eval #-6] } { Checkmate is now unavoidable. Rf1 was best. } { [%clk 0:00:10] } 34... Ree2 { [%eval #-5] [%clk 0:01:43] } 35. g4 { [%eval #-2] [%clk 0:00:12] } 35... Rd3+ { [%eval #-1] [%clk 0:01:41] } 0-1