[Event "87th ch-BRA 2021"]
[Site "Cuiaba BRA"]
[Date "2021.10.31"]
[Round "6.72"]
[White "Olivo, Anibal Ribeiro"]
[Black "Duailibe, R"]
[Result "0-1"]
[WhiteElo "1588"]
[BlackElo "1849"]
[ECO "B92"]
[Opening "Sicilian Defense: Najdorf Variation, Opocensky Variation"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O b5 9.a3 Bb7 10.Bf3 Nbd7 11.Qd3 Rc8 12.Be3 Nb6 13.Na5 Ba8 14.Rad1 O-O 15.Bg5 Nbd7 16.Nb3 h6 17.Be3 Qc7 18.Rd2 Nc5 19.Nxc5 dxc5 20.Nd5 Nxd5 21.exd5 Rcd8 22.b3 f5 23.Rdd1 e4 24.Bxe4 fxe4 25.Qxe4 Bd6 26.c4 Bxh2+ 27.Kh1 Rde8 28.Qg4 Bf4 29.Bxf4 Qxf4 30.Qg6 Re5 31.Rde1 Qh4+ 32.Kg1 0-1