[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.20"]
[Round "13"]
[White "Rodriguez Cespedes, Amador"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2520"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 h6 10. Bxf6 Bxf6 11. Nxc6 bxc6 12. Qxd6 Qb6 13. Qd3 Rb8 14. b3 Rd8 15. Qf3 Bd4 16. Bc4 Qc5 17. Rd3 Qa3+ 18. Kb1 Qb4 19. Kc1 Qa3+ 20. Kb1 Qc5 1/2-1/2