[Event "Ch Argentina"] [Site "masterchessopen.com – Buenos Aires (Argentina)"] [Round "0"] [White "Laurencena Alberto"] [Black "Marini Luis"] [Result "0-1"] [ECO "B33"] [Opening "Sicilian: Open, 2...Nc6"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.e5 b4 12.exf6 bxc3 13.Qxc3 gxf6 14.Kb1 d5 15.Bh4 Nb4 16.Qe3 Qa5 17.a3 Nxc2 18.Kxc2 Ba4+ 19.Kb1 Bxd1 20.Nd4 Qb6 21.Bxa6 Rxa6 22.Rxd1 Rxa3 23.Qe2 Ra4 24.Bf2 Qa6 25.Rd3 Ra1+ 26.Kc2 Qc4+ 27.Rc3 Qxe2+ 28.Nxe2 Kd7 {#R} 0-1