StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Can I avoid "redundancy" in this foreign key?
| Author | Votes | Δ | 
|---|---|---|
| Sergey Kalinichenko | 2 | +0.76 | 
| Thorsten Kettner | 1 | +0.23 | 
| tarun | 0 | -1.85 | 
| Charles Bretana | 0 | -0.76 | 
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