[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.14"]
[Round "5"]
[White "Portisch, Lajos"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3
Ba5 10. Qd3 a6 11. Rd1 b5 12. Ba2 Bb6 13. Qc2 c4 14. Qe2 Qe8 15. b3 cxb3 16. Bxb3 Bb7 17.
e4 e5 18. dxe5 Nxe5 19. Nxe5 Qxe5 20. Bb2 Bd4 21. Rxd4 Qxd4 22. Re1 Rfe8 23. e5 Qg4 24. f3
Qf4 25. g3 Qd4+ 26. Kf1 Qc5 27. Nd1 Bd5 28. Qc2 Qxc2 29. Bxc2 Nd7 30. f4 Bc4+ 31. Kg1 Nc5
32. Nf2 Rad8 33. Bc3 Nd3 34. Bxd3 Bxd3 35. Ba5 Rd7 36. g4 Bc2 37. Rc1 Rc8 38. f5 Rd5 39.
e6 fxe6 40. fxe6 Re5 41. Nd3 Rxe6 42. Nb4 Re2 43. Kf1 Rxh2 44. Kg1 Rh1+ 0-1