1.g3 d5 2.Nf3 Bg4 3.c4 Bxf3 4.exf3 e6 5.d4 dxc4 6.Bxc4 Nf6 7.Nc3 Be7 8.Qb3 Nc6 9.Qxb7 Nxd4 10.O-O O-O 11.Rd1 c5 12.Kg2 Rb8 13.Qxa7 Ra8 14.Qb7 Rb8 15.Qa6 Ra8 16.Qb7 Rb8 17.Qa7 Ra8 18.Qb7 1/2-1/2