sentences:  Subsequent Lone Pine tournaments would be nine-round events and thus meet FIDE requirements for rated Swiss tournaments.Former World Champion Tigran Petrosian (USSR) won the $8000 first prize, with a 5½–1½ score, the lowest winning seven-round score in Lone Pine history.Second place at 5–2 was shared by Larry Christiansen (USA), Vasily Smyslov (USSR), Oscar Panno (Argentina), Miguel Najdorf (Argentina), Miguel Quinteros (Argentina), Tony Miles (England), Ken Rogoff (USA), Győző Forintos (Hungary), and Walter Browne (USA).