[Event "New York"] [Site "New York"] [Round "0"] [White "Viktor Korchnoi"] [Black "Biritcher"] [Result "0-1"] [ECO "D50"] [Opening "QGD: 4.Bg5 c6"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c6 5.e3 Nbd7 6.Qc2 Bd6 7.Nf3 h6 8.Bh4 O-O 9.Be2 dxc4 10.Bxc4 e5 11.Rd1 Qe7 12.O-O Nb6 13.dxe5 Bxe5 14.Nxe5 Qxe5 15.Bd3 Bg4 16.f3 Be6 17.Qe2 Nfd5 18.Nxd5 Nxd5 19.Rfe1 Nb4 20.Bc4 Rfe8 21.Bg3 Qc5 22.Bxe6 Rxe6 23.a3 Nc2 24.Rc1 Qxe3+ 25.Qxe3 Nxe3 26.Kf2 Rae8 27.Bf4 Nd5 28.Rxe6 Rxe6 29.Bd2 Kf8 30.Rc4 Ke7 31.Rg4 g5 32.h4 f5 33.Ra4 a6 34.hxg5 hxg5 35.Bxg5+ Kd6 36.Rh4 b5 37.Rh7 a5 38.b3 Kc5 39.Bd2 b4 40.axb4+ axb4 41.Rf7 Kd4 42.Rxf5 Kd3 43.Rxd5+ cxd5 44.Bxb4 Kc2 45.g4 d4 46.g5 d3 47.f4 Kxb3 48.Ba5 Ra6 49.Be1 Kc2 50.f5 Ra1 51.f6 Rxe1 52.f7 Re2+ 53.Kf3 d2 54.f8=Q d1=Q 55.Qc5+ Kb1 56.Kf4 Qf1+ 57.Kg4 Rg2+ 58.Kh5 Qf7+ 59.g6 Qxg6+ 60.Kh4 Qg4# 0-1