[Event "Mar del Plata International-26"]
[Site "Mar del Plata"]
[Date "1965.03.28"]
[Round "8"]
[White "Averbakh, Yuri L"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. d5 b5 7. a4 Bb7 8. axb5 Bxd5 9. c4 Bb7 10. Nc3 d6 11. Bg5 Nbd7 12. Ne1 Qc8 13. Bxb7 Qxb7 14. Ra6 Nb6 15. Bxf6 Bxf6 16. Qd3 Bxc3 17. bxc3 d5 18. cxd5 c4 19. Qd4 Qxd5 20. Ra5 Qe6 21. Qd2 Rfd8 22. Qc2 Nd5 23. Nf3 Qf6 24. Rc1 Rab8 25. Nd4 Rd7 26. e3 Rb6 27. Qe4 e6 28. Nc6 Nxc3 29. Qxc4 Rd2 30. Ne7+ Qxe7 31. Qxc3 Rd8 1/2-1/2