[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.09"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nbd2 O-O 7. O-O a5 8. Qc2 Bxd2 9. Bxd2 d6 10. Rfe1 Be4 11. Qa4 Nbd7 12. Bc3 Qb8 1/2-1/2