2021.08.31
0 : 1
Queen's pawn, Mason variation
1.d4 d5 2.Bf4 c6 3.e3 Qb6 4.b3 Bf5 5.c4 e6 6.Nd2 Nf6 7.Ngf3 h6 8.Be2 Bb4 9.a3 Bc3 10.Ra2 Ne4 11.O-O Bxd2 12.Nxd2 Nc3 13.Qa1 Nxe2+ 14.Kh1 Nxf4 15.exf4 O-O 16.c5 Qd8 17.Nf3 Nd7 18.g3 Be4 19.Kg2 b6 20.b4 a5