[Event "Candidates qf Portisch-Larsen +4-2=4"]
[Site "Rotterdam"]
[Date "1977.03.??"]
[Round "2"]
[White "Portisch, Lajos"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2615"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 Nbd7 5. cxd5 exd5 6. Bg5 Be7 7. e3 O-O 8. Bd3 c6 9. Qc2 Re8 10. O-O Nf8 11. Rae1 Be6 12. Ne5 N6d7 13. Bxe7 Rxe7 14. Nxd7 Qxd7 15. b4 Rc8 16. Rc1 Qd6 17. Qb1 Rec7 18. Ne2 g6 19. Rc3 Nd7 20. Nf4 1/2-1/2