StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Sum only if all grouped rows are not null, else return null
| Author | Votes | Δ |
|---|---|---|
| M Khalid Junaid | 3 | +1.17 |
| Abhik Chakraborty | 2 | -0.50 |
| Devin H. | 0 | -2.65 |
Last visited: Nov 13, 2015, 6:59:35 AM