[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.19"]
[Round "8"]
[White "Mecking, Henrique"]
[Black "Addison, William G"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Qb3 Qb6 7. Qxb6 axb6 8. Nh4 Bg6 9. Nxg6 hxg6 10. Bd2 Nbd7 11. Bd3 dxc4 12. Bxc4 b5 13. Bd3 e5 14. O-O Bd6 15. h3 exd4 16. exd4 O-O 17. a4 bxa4 18. Nxa4 Nd5 19. Nc3 N7f6 20. Nxd5 Nxd5 21. Be4 Bf4 22. Ba5 Ra6 23. Bxd5 Rfa8 24. Bxc6 bxc6 25. b4 Bc7 26. Rfc1 Bxa5 27. Rxa5 Rxa5 28. bxa5 Rxa5 29. Rxc6 Ra1+ 30. Kh2 Rd1 31. Rc8+ Kh7 32. Rd8 g5 33. Kg3 Rd3+ 34. Kg4 Kg6 35. Rd6+ f6 36. h4 gxh4 37. Kxh4 Kf7 38. Rd7+ Ke6 39. Rxg7 Rxd4+ 40. Kh3 Ra4 41. g3 Ra2 42. f3 Ra1 43. g4 Ra3 44. Kg3 Rb3 45. Ra7 Rc3 46. Ra2 Kf7 47. Rf2 Kg6 48. Kh4 f5 49. g5 Rc1 50. f4 Rg1 51. Kh3 Rg4 52. Rf3 Kg7 1/2-1/2