[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.11.03"]
[Round "7"]
[White "Jansson, Borje"]
[Black "Balinas, Rosendo Carrean"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 Nc6 7. Qd2 Re8 8. Nge2 a6 9. Nc1 e5 10. d5 Nd4 11. Nb3 Nxb3 12. axb3 Bf8 13. b4 Nh5 14. Be2 Bd7 15. O-O f5 16. Rfc1 f4 17. Bf2 Re7 18. c5 Rg7 19. c6 Bc8 20. cxb7 Bxb7 21. b5 axb5 22. Nxb5 Rxa1 23. Rxa1 Nf6 24. Qa5 g5 25. Rc1 Ne8 26. Na7 h5 27. Qb5 Ba8 28. Qa6 Qb8 29. Qb5 Qd8 30. Qa6 Qb8 31. Qb5 1/2-1/2