Accuracy III
6000 XP
Finish a collection of 11k or lower with at least 95% accuracy.*
Rare
*The collection must contain at least 100 problems.
Recently completed by
Paul Hazelden 6k, 
MrQuerder [Никита] 3k, 
Jérôme Riou 1d, 
Hidoshito 5k,
and 10 others.