[Event "12th American Continental"] [Site "Medellin COL"] [Date "2017.06.12"] [Round "4.12"] [White "Sevian,Samuel"] [Black "Vazquez,Guillermo"] [Result "1-0"] [WhiteElo "2601"] [BlackElo "2443"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2 O-O 10.O-O-O Nbd7 11.g4 b5 12.Rg1 Nb6 13.Na5 Rc8 14.g5 Nh5 15.Kb1 g6 16.h4 Qc7 17.Nd5 Nxd5 18.exd5 Bd7 19.c4 Bd8 20.Nc6 Bxc6 21.dxc6 Qxc6 22.cxb5 axb5 23.Rc1 Qb7 24.Rxc8 Qxc8 25.Qxd6 Bc7 26.Qc6 b4 27.Ba6 Qa8 28.Rc1 {#r} 1-0