StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Have two tables .. Group by some value .. and then join them
| Author | Votes | Δ |
|---|---|---|
| user3571015 | 0 | +1.11 |
| Gordon Linoff | 0 | -0.14 |
Last visited: Sep 14, 2014, 5:07:29 AM