[Event "Candidates qf Larsen-Portisch +3-2=5"]
[Site "Porec"]
[Date "1968.05.06"]
[Round "1"]
[White "Portisch, Lajos"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 Ba5 10. Qd3 a6 11. Rd1 b5 12. Ba2 c4 13. Qe2 Qe8 14. Bd2 Bb6 15. Bb1 e5 16. dxe5 Nxe5 17. Ne4 Nxe4 18. Bxe4 Nc6 19. Ng5 h6 20. Qh5 Bd8 21. h4 Bxg5 22. Bxc6 Qxc6 23. hxg5 Bb7 24. Qg4 Qg6 25. Bb4 Rfe8 26. Rd6 Qxg5 27. Qxg5 hxg5 28. Rad1 g4 29. Kh2 Be4 30. R1d4 Bf5 31. Rb6 Re6 32. Rdd6 a5 33. Bc3 Rxd6 34. Rxd6 Be6 35. Rb6 b4 36. axb4 axb4 37. Rxb4 Kh7 38. Rb5 Kg6 39. Kg3 Rh8 40. Kf4 Rh5 41. Rxh5 Kxh5 1/2-1/2