It has been 3 months since I last took a look at the biggest gains and losses in the Rolex Rankings for the 2012 season. A lot has changed since then. Rolex ranks the ladies based on average points per tournament, on a rolling 2-year calender. For example, Yani Tseng, the #1 player in the world, has accumulated 561.10 points playing in 50 tournaments over that period, for an average of 11.22 points per tournament. I have gone back to the first published rankings of the year and compared them to the rankings released on 12/17/12. The only requirement for my list is that a player must have been in the top 100 at the start of the year, or be in the top 100 now.