[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.22"]
[Round "10"]
[White "Panno, Oscar"]
[Black "Addison, William G"]
[Result "1/2-1/2"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 Bf5 5. Bb2 e6 6. Be2 h6 7. O-O Be7 8. Nc3 O-O 9. d3 Bh7 10. Qd2 Nbd7 11. Rfd1 Re8 12. Rac1 a6 13. e4 Bd6 14. exd5 exd5 15. cxd5 cxd5 16. Bf1 Ne5 17. Nxe5 Bxe5 18. g3 Bd4 19. Ne2 Bxb2 20. Qxb2 Bf5 21. h3 Rc8 22. Rxc8 Bxc8 23. Rc1 Qe7 24. Nf4 g5 25. Ne2 Bf5 26. Nd4 Bg6 27. Nf3 Qd6 28. b4 Nh5 29. a3 Kh7 30. Kh2 Ng7 31. Qd4 Ne6 32. Qf6 Qe7 33. Qa1 f6 34. Nd4 Nxd4 35. Qxd4 Qd7 36. Bg2 Rd8 37. Rc5 Bf7 38. Bf3 Kg7 39. Bg4 Qd6 40. Kg2 h5 41. Bf3 Qd7 42. h4 g4 43. Bd1 Re8 1/2-1/2