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An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How to implement tree traversal with tail recusrion
| Author | Votes | Δ | 
|---|---|---|
| Joe K | 3 | +0.16 | 
| Tzach Zohar | 3 | -0.16 | 
Last visited: Aug 9, 2018, 9:00:57 PM