[Event "Palma de Mallorca Interzonal"]
[Site "Palma de Mallorca"]
[Date "1970.??.??"]
[Round "2"]
[White "Portisch, Lajos"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A21"]

1.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng1 Nf6 6.g3 c6 7.Nh3 g6 8.Nf4 Na6 9.h4 d5
10.cxd5 cxd5 11.Qb3 Nc7 12.Bd2 Be7 13.e3 Kf7 14.Rc1 Bd7 15.Be2 Bc6 16.a4 a6
17.Na2 Qd7 18.Bd1 Ne6  1/2-1/2

