Originally Posted by Cosmic_Colin
I believe the grass formula is current ranking + 100% of last year's grass points + 75% of best grass result the year before.
That means the grass points alone would be:
Djokovic: 270 (Olympic SF) + 720 (Wimbledon SF) + 1500 (Wimbledon W 2011) = 2490
Federer: 450 (Olympic F) + 2000 (Olympic W) + 150 (Halle F) + 270 (Wimbledon QF 2011) = 2870
So Federer is 380 grass points ahead. I'm not sure if the Olympics is counted, and if it isn't then he is only 200 ahead. Therefore it will make little difference to their relative rankings; Federer would need to be on the brink of overtaking Djokovic, which would mean winning Roland Garros or everything else on clay.
Just to throw in Murray's stats, he's: 750 (Olympics W) + 1200 (Wimbledon F) + 540 (Wimbledon SF 2011) = 2490 - exactly the same as Djokovic, so he stands a decent chance of being seeded #2... so long as the Olympics are counted.
Imagine Murray being #2 just before Wimbledon, 100 points ahead of Federer. What will they do?