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TI12 Playoff - Day 1 - Upper Bracket

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Second Pick Dire Winrate: 33.3333

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Explain this to me
The page shows a hero's winrates against certain enemies, as well as winrate advantage (difference in winrate compared to overall value). Higher rank and winrate mean opponent is easier for the hero, higher R-Rank means opponent is picked often and is less effective against the hero.
HeroMatchesWinrate
keeper_of_the_lightKeeper of the Light20.00%
OpponentRankRev-RankWinrateAdvantageMatchesWonLostExpected matchesDeviationPercentage
puckPuck100.00100.000.00%0.00%10101100.00%
svenSven100.00100.000.00%0.00%10101100.00%
tidehunterTidehunter100.00100.000.00%0.00%10101100.00%
invokerInvoker100.00100.000.00%0.00%10101100.00%
chaos_knightChaos Knight100.00100.000.00%0.00%10101100.00%
treantTreant Protector50.0050.000.00%0.00%101100.00%
tuskTusk40.0040.000.00%0.00%10101100.00%
dark_willowDark Willow40.0040.000.00%0.00%10101100.00%
grimstrokeGrimstroke20.0020.000.00%0.00%101100.00%
dawnbreakerDawnbreaker10.0010.000.00%0.00%10101100.00%