StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

How can I count all rows except duplicate entry of a column?

Author Votes Δ
Abdus Sattar Bhuiyan 4 +5.11
Gordon Linoff 2 -0.64
Last visited: Jun 24, 2017, 4:03:14 PM