[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.13"]
[Round "4"]
[White "Ivkov, Borislav"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qe2+ Qe7 8. Qxe7+ Kxe7 9. Ne2 Be6 10. Bxe6 fxe6 11. Bf4 Bxf4 12. Nxf4 Nd7 13. O-O-O Rhe8 14. Rhe1 Kf7 15. Nd3 Rac8 16. Re3 c5 17. Nxc5 Nxc5 18. dxc5 Rxc5 19. Rd7+ Re7 20. Rxe7+ Kxe7 1/2-1/2