1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 a6 5.cxd5 exd5 6.Bg5 Be6 7.Bh4 Nc6 8.e3 Be7 9.Bd3 Nb4 10.Bb1 c5 11.dxc5 Nc6 12.O-O Bxc5 13.Ne2 Be7 14.Nf4 Qb6 15.Qc2 Rc8 16.Qe2 O-O 17.h3 h6 18.Rd1 Rfd8 19.a3 Ne4 20.Bxe7 Nxe7 21.Nd4 Nf6 22.Ba2 Bd7 23.Rac1 Ba4 24.b3 Bd7 25.Qb2 Rxc1 26.Rxc1 Nc6 27.Rd1 Nxd4 28.Rxd4 Bc6 29.b4 a5 30.Bb3 axb4 31.axb4 Qa6 32.Bc4 Qb6 33.Be2 Bb5 34.Bf3 Bc4 35.Qc3 Qd6 36.Nxd5 Bxd5 37.e4 Qe5 38.exd5 Ne8 39.Qe3 Qxe3 40.fxe3 Nd6 41.Kf2 Rc8 42.e4 f6 43.Ke3 Kf7 44.Be2 Rc3+ 45.Rd3 Rc4 46.Rd4 Rc3+ 47.Kd2 Ra3 48.Bf3 Ke7 49.Rd3 Nc4+ 50.Kc2 Ne3+ 51.Kd2 Nc4+ 52.Kc2 Ne3+ 53.Kd2 Nc4+ 1/2-1/2