[Event "New York op"]
[Site "New York"]
[Date "1984.??.??"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Kogan, Boris"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2450"]
[ECO "D65"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 Be7 5.Nc3 O-O 6.e3 Nbd7 7.Rc1 a6 8.cxd5 exd5
9.Bd3 c6 10.Qc2 g6 11.O-O Nh5 12.Bh6 Ng7 13.Na4 Bd6 14.Qc3 Nf6 15.Bg5 Be7
16.Qb3 Nd7 17.Bh6 Bd6 18.Rfe1 Rb8 19.h3 f5 20.Ng5 Nf6 21.Nc5 Re8 22.f4 Qa5
23.Nf3 Ne6 24.Qc2 Ne4 25.Bxe4 dxe4 26.Ne5 Bxe5 27.fxe5 Nxc5 28.dxc5 Be6 29.Red1 Bd5
30.a3 Qd8 31.Qf2 Rc8 32.Qg3 Qe7 33.Bf4 Qe6 34.h4 h5 35.Rd4 Rc7 36.Bg5 Rf7
37.Bf6 Kh7 38.Qf4 Ref8 39.Kf2 Rd7 40.Kg1 Rff7 41.Rcd1 Rf8 42.Rb4 Rff7 43.Rd2 Rf8
44.Rbd4 Rff7 45.Kh2 Rf8 46.Qg5 Rdf7 47.Rf2 Rd7 48.Rdd2 Rff7 49.Rf4 Bb3 50.Rd6 Rxd6
51.cxd6 Qd7 52.Rf2 a5 53.Rd2 a4 54.Qg3 Be6 55.Qe1 c5 56.Qc1 Qb5 57.Bg5 b6
58.Bf4 Rb7 59.Qe1 Qd7 60.Rc2 Ra7 61.Qg3 Qd8 62.Bg5 Qa8 63.Rd2 Rf7 64.d7 Rxd7
65.Rxd7+ Bxd7 66.e6 Bxe6 67.Qc7+ Kg8 68.Bh6  1-0

