1.e3 Nf6 2.d4 d5 3.Nf3 Bg4 4.c4 e6 5.Qb3 Nc6 6.Qxb7 Nb4 7.Na3 Rb8 8.Qxa7 Bxf3 9.gxf3 Ra8 10.Qb7 Rb8 11.Qa7 Ra8 12.Qb7 Rb8 13.Qa7 1/2-1/2