[Event "HUN-ch"]
[Site "?"]
[Date "1964.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Lengyel, Levente"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D54"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Rc1 h6 7.Bh4 Ne4 8.Bxe7 Qxe7
9.cxd5 Nxc3 10.Rxc3 exd5 11.Bd3 c6 12.Ne2 Nd7 13.Qb1 a5 14.O-O Nf6 15.Ng3 Ne8
16.Ra3 Nd6 17.Qe1 b6 18.f3 f5 19.Nh5 Nc4 20.Bxc4 dxc4 21.Nf4 Qd6 22.Rc3 Ba6
23.Qg3 Rfe8 24.Qg6 Qxg6 25.Nxg6 b5 26.Re1 Rad8 27.Kf2 c5 28.Rd1 Rd6 29.Nf4 g5
30.Ne2 f4 31.Rcc1 fxe3+ 32.Ke1 cxd4 33.Rxd4 Rxd4 34.Nxd4 Rd8 35.Rd1 b4 36.Nc2 Rxd1+
37.Kxd1 e2+ 38.Ke1 b3 39.axb3 cxb3 40.Ne3 a4 41.Nd5 Bd3  0-1

