Ferrari's [ Images ] Fernando Alonso [ Images ] can win his third Formula One title with a race to spare in Sunday's Brazilian Grand Prix [ Images ].

The following details what the Spaniard needs to do to become champion, and what he needs others to do:

First, he must finish on the podium.

- Alonso will be champion if he wins and Red Bull's Mark Webber [ Images ] finishes fifth or lower.

- If he is second, Alonso will need Webber to be eighth or lower and McLaren's [ Images ] Lewis Hamilton [ Images ] or Red Bull's Sebastian Vettel [ Images ] not to win.

- Third place will suffice if Webber is 10th or lower and if Hamilton is no higher than fifth and Vettel out of the top three.

- Red Bull need to score 16 points more than McLaren to take the constructors' title.