Tal showed superior form by winning with 20\/28 points , ahead of Paul Keres with 18 1\/2 , followed by Tigran Petrosian , Vasily Smyslov , Bobby Fischer , Svetozar Gligorić , Friðrik Ólafsson , and Pal Benko .
In the Candidates he finished first , with 20\/28 points , ahead of Paul Keres with 18.5 , followed by Tigran Petrosian , Vasily Smyslov , Bobby Fischer , Svetozar Gligorić , Friðrik Ólafsson , and Pal Benko .