Scoringoddtwice

This page computes the odds of a player having two outstanding rounds within their last 20 scores
Handicap calc’s are reduced for all 20 scores by -1 if a golfer shoots 7 under their indexed score
Handicap calc’s are reduced for all 20 scores by -2 if a golfer shoots 9 under their indexed score

This is based on a Pope of Slope Table developed through the analysis of over 7.3 million USGA rounds
You need to know the negative differential (under index) that the golfer shot, for those two specific rounds
Use the previous scoring odds calculator to find those differentials