StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Need to conditionally join on one of the two columns(whichever exists)
| Author | Votes | Δ | 
|---|---|---|
| Tom | 0 | 0.00 | 
Last visited: Jun 24, 2017, 4:03:14 PM