[Event "HUN-ch"]
[Site "?"]
[Date "1964.??.??"]
[Round "?"]
[White "Flesch, Janos"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A37"]

1.c4 c5 2.Nc3 g6 3.Nf3 Bg7 4.g3 Nc6 5.Bg2 a6 6.O-O Nh6 7.a3 Rb8 8.b4 cxb4
9.axb4 b5 10.cxb5 axb5 11.d4 Nf5 12.e3 Nxb4 13.Rb1 Nc6 14.Nxb5 O-O 15.Bd2 d5
16.Qa4 Bd7 17.Rfc1 Rb7 18.Qd1 e6 19.Bf1 Qb8 20.Ne1 Nd6 21.Nxd6 Rxb1 22.Rxb1 Qxd6
23.Nd3 Rb8 24.Nc5 Be8 25.Nb7 Qe7 26.Nc5 Rxb1 27.Qxb1 e5 28.Qb3 exd4 29.Qxd5 dxe3
30.Bxe3 Qe5  1/2-1/2

