2015.08.09
1 : 0
Queen's pawn, Mason variation
1.d4 d5 2.Bf4 Nf6 3.e3 c5 4.Be2 Nc6 5.Nf3 Bf5 6.dxc5 Qa5+ 7.Nc3 Ne4 8.O-O Nxc3 9.bxc3 Qxc5 10.Rb1 O-O-O 11.Nd4 Bd7 12.Rb5 Qxc3 13.Rxd5 e6 14.Nb5 Qb2 15.Rd6 e5 16.Rxd7 Rxd7 17.Bg4 Nb8 18.Qd5 Qxc2 19.Qxe5 Na6 20.Qe8#