[Event "Palma de Mallorca"]
[Site "Palma de Mallorca"]
[Date "1971.??.??"]
[Round "6"]
[White "Donner, Jan Hein"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A77"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.e4 Bg7 8.Be2 O-O
9.O-O Re8 10.Nd2 Nbd7 11.h3 a6 12.a4 h5 13.Re1 Nh7 14.Bf1 Rb8 15.a5 Qe7 16.Nc4 Ne5
17.Nb6 Nd7 18.Nc4 Ne5 19.Nb6 Nd7  1/2-1/2

