[Event "It (open)"] [Site "masterchessopen.com – Hermosillo (Mexico)"] [Round "4"] [White "Acosta Perez Rodolfo (MEX)"] [Black "Rodriguez Grijalva Citius"] [Result "1-0"] [ECO "D53"] [Opening "QGD: 4.Bg5 Be7 5.e3"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 c6 6.Bxf6 Bxf6 7.Bd3 dxc4 8.Bxc4 b6 9.Nf3 Bb7 10.Be2 Nd7 11.O-O Qc7 12.Rc1 c5 13.dxc5 Nxc5 14.Nb5 Qb8 15.b4 Na6 16.Nd6+ Ke7 17.Nxb7 Qxb7 18.Bxa6 {#r} 1-0