How does dotabuff calculate which heroes are counters to who? What does the hero win rate mean for both counters and heroes you counter? : r/learndota2
Before and After 6.86: Greatest Changes In Hero Win Rates - DOTABUFF - Dota 2 Stats
Heroes with the highest win rate in the TI11 qualifiers (at least 20 picks, taken from datDota) : r/DotA2