[Event "Las Palmas-03"]
[Site "Las Palmas"]
[Date "1974.??.??"]
[Round "12"]
[White "Polugaevsky, Lev"]
[Black "Hartston, William R"]
[Result "1-0"]

1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. b4 c6 7. Bb2 Ne4 8. Bd3 Nxc3 9. Bxc3
Bg4 10. h3 Bxf3 11. Qxf3 e6 12. O-O Nd7 13. a4 Rc8 14. Rfc1 Qe7 15. b5 c5 16. cxd5 cxd4
17. Bxd4 Ne5 18. Qd1 exd5 19. Be2 b6 20. a5 Nc4 21. Bxg7 Kxg7 22. Qd4+ Qf6 23. Qxf6+ Kxf6
24. axb6 axb6 25. Ra6 Ke5 26. Rc2 Rfd8 27. Ra7 Nd6 28. Rca2 d4 29. exd4+ Kxd4 30. Re7 Kc5
31. Rc2+ Kb4 32. Rd2 h5 33. g4 hxg4 34. hxg4 f5 35. Re6 Ne4 36. Rxd8 Rxd8 37. Rxb6 Nc3 38.
Bf1 Rd1 39. Re6 fxg4 40. b6 Kc5 41. b7 Rb1 42. Re5+ Kd6 43. Re3 Nd5 44. Rd3 Kc6 45. Rd1
Rxb7 46. Rxd5 1-0