[Event "Las Palmas-03"]
[Site "Las Palmas"]
[Date "1974.??.??"]
[Round "13"]
[White "Hartston, William R"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. g3 Bg7 5. Bg2 e5 6. Ngf3 Ne7 7. O-O O-O 8. b4 a5 9. bxa5 Qxa5 10. a4 Qc7 11. Bb2 Nd7 12. Re1 d4 13. Nc4 Nb6 14. Nxb6 Qxb6 15. Qb1 c5 16. c3 Nc6 17. cxd4 exd4 18. Nd2 Be6 19. Rc1 Nb4 20. Ra3 Nxd3 21. Qxd3 Qxb2 22. Rb1 c4 23. Nxc4 Bxc4 24. Rxb2 Bxd3 25. Rxd3 Rxa4 26. Rxb7 Ra1+ 27. Bf1 1/2-1/2