2015.07.16
1/2 : 1/2
Queen's pawn, Mason variation, Steinitz counter-gambit
1.d4 d5 2.Bf4 c5 3.e3 cxd4 4.exd4 Nc6 5.c3 Bf5 6.Qb3 Qd7 7.Nf3 e6 8.Nbd2 a6 9.Be2 Nf6 10.O-O Be7 11.Ne5 Nxe5 12.Bxe5 O-O 13.a4 Ne4 14.Nxe4 Bxe4