StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Need some assistance with SQL Self-join logic ( via SQLZoo )?
| Author | Votes | Δ | 
|---|---|---|
| Coffee | 1 | +0.63 | 
| Ajit Kumar | 0 | -5.04 | 
Last visited: Apr 28, 2015, 8:30:43 PM