StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Join same table and get the max and min value of timestamp by id on separate rows
| Author | Votes | Δ |
|---|---|---|
| Brian DeMilia | 0 | +0.23 |
| Milen | 0 | -0.23 |
Last visited: Sep 14, 2014, 5:07:29 AM