[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1960.06.23"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 Nh6 6. h4 d6 7. h5 Ng4 8. d3 O-O 9. Bd2 a6 10. Rb1 Rb8 11. a3 b5 12. hxg6 hxg6 13. cxb5 axb5 14. b4 cxb4 15. axb4 Bb7 1/2-1/2