[Event "Las Palmas-07"]
[Site "Las Palmas"]
[Date "1978.??.??"]
[Round "15"]
[White "Diez del Corral, Jesus"]
[Black "Stean, Michael F"]
[Result "1/2-1/2"]
[WhiteElo "2360"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Nbd7 8. Bg2 b5 9. O-O Be7 10. Nd5 Nxd5 11. exd5 O-O 12. a4 b4 13. a5 Rb8 14. Be3 Rb5 15. Qd2 Bb7 16. Ra4 Nf6 17. Rxb4 Rxb4 18. Qxb4 Bxd5 19. Bxd5 Nxd5 20. Qd2 Nf6 21. Bb6 Qa8 22. f4 Rc8 23. Nc3 Rc4 1/2-1/2