2021.04.10
1 : 0
Queen's pawn, Mason variation
1.d4 d5 2.Bf4 Nf6 3.e3 c5 4.c3 Nc6 5.Nd2 Qb6 6.Qb3 c4 7.Qc2 g6 8.e4 Nxe4 9.Nxe4 dxe4 10.Bxc4 Bf5 11.Be3 Qc7 12.Ne2 Bg7 13.O-O O-O 14.a3 Rad8 15.Rad1 a6 16.Ba2 h5 17.Nf4 e5 18.Nd5 exd4 19.Nxc7 dxe3 20.fxe3