I wanted to share an interesting scenario that was presented to me over the weekend.
 
One of our members sent in a support email questioning the validity of his Handicap, claiming that it was wrong.  You see, he shot a great round over the weekend: ESC = 83, Slope = 137, Rating = 73.9
 
This equates to a Differential = 7.5
 
In fact, this was one of his best rounds in his last 20.
 
So, how could his Handicap trend up?
 
Well, it was one of his best rounds in the last 20 played, but not better than his 21st round.
 
Round #21 had a Differential = 6.4
 
The Handicap formula uses the lowest 10 Differentials out of your last 20 eligible rounds.
 
When this player posted his last round, the 6.4 fell out of the last 20, and his average of the top 10 differentials went up from 8.27  to 8.38, raising his Handicap trend from a 7.9 to an 8.0.