[Event "It (open)"] [Site "masterchessopen.com Mar del Plata (Argentina)"] [Round "1"] [White "Pierrot Facundo (ARG)"] [Black "Maucci Marcelo (ARG)"] [Result "1-0"] [WhiteElo "2444"] [BlackElo "1970"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.Bg5 Be6 9.Bxf6 Bxf6 10.Qd3 O-O 11.O-O-O Be7 12.Nd5 Bxd5 13.Qxd5 Nc6 14.Kb1 Qc7 15.c3 b5 16.Rhf1 b4 17.Rc1 Bg5 18.cxb4 Bxc1 19.Rxc1 Rfc8 20.Bg4 Qb6 21.Bxc8 Rxc8 22.Qxd6 {#r} 1-0