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An Elo-based rating system for Stack Overflow
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Answers and rating deltas for

SQL sum of a group

Author Votes Δ
a_horse_with_no_name 2 +0.26
wrslphil 1 +1.84
OLIVER.KOO 0 -2.10
DaniDev 0 -1.79
Last visited: Oct 27, 2017, 7:18:27 AM