[Event "Zagreb Peace"]
[Site "Zagreb"]
[Date "1965.04.26"]
[Round "11"]
[White "Petrosian, Tigran V"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 b6 11. Rd1 Bb7 12. d5 b5 13. axb5 axb5 14. Rxa8 Bxa8 15. Bxb5 exd5 16. Bd2 Qe7 1/2-1/2