Vettel cannot win championship if P3 or lower.
Hamilton cannot win championship if P2 or lower.
Alonso v. Webber
If: Alonso P1 or P2: Alonso takes the title on points
Alonso P3, P4 or P5: Webber needs to win
Alonso P6, Webber needs P2
Alonso P7 or P8: Webber needs P3
Alonso P9: Webber P4
Alonso P10 or no points: Webber P5
Alonso v. Vettel
If: Alonso P1, P2, P3 or P4, beats Vettel on points
Alonso P5, P6, P7, P8 : Vettel needs to win
Alonso P9, P10: Vettel needs 2nd
Webber v. Vettel
If: Vettel P1: Webber cannot win
Vettel P2: Webber P4 or better
Must win, Alonso 11th or worse, Webber 6th or worse, and Vettel 3rd or worse.
Here is an excel spreadsheet if you want to play around with the possibilities. Just fill in the finishing positions and it will calculate points and number of wins, seconds, etc. for any countbacks. You can what would have happened if Alonso and Massa didn't swap, or if Vettel and Webber did.
Edited by Frank Tuesday, 08 November 2010 - 04:54.