1.b4 e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.e3 d5 5.c3 Bd6 6.Bxd6 Qxd6 7.Qa4+ Nbd7 8.d4 O-O 9.Qa3 c5 10.Nd2 Qc6 11.Bd3 b5 12.Rb1 c4 13.Bc2 a5 14.Ne2 b4 15.cxb4 axb4 16.Qxb4 Rxa2 17.Rb2 Ra1+ 18.Rb1 Ra2 19.Rb2 Ra1+ 20.Rb1 Ra2 1/2-1/2