With 7.36 official Dota API stopped working.
Waiting for the fix for now and updating stuff to 7.36.
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Oceanic Esports Dota Championships - Season 1

Major Asian league presented by Oceanic Esports

Total observer wards planted: 3724

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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
phantom_lancerPhantom Lancer540.00%
OpponentRankRev-RankWinrateAdvantageMatchesWonLostExpected matchesDeviationPercentage
snapfireSnapfire100.004.55100.00%60.00%2201150.00%
templar_assassinTemplar Assassin95.4531.82100.00%60.00%110100.00%
pangolierPangolier95.459.09100.00%60.00%110100.00%
life_stealerLifestealer86.3618.18100.00%60.00%11001100.00%
rattletrapClockwerk86.3618.18100.00%60.00%11001100.00%
baneBane77.2722.73100.00%60.00%110100.00%
skeleton_kingWraith King72.7327.27100.00%60.00%11001100.00%
queenofpainQueen of Pain68.1836.3650.00%10.00%2111150.00%
linaLina63.6440.9150.00%10.00%21102100.00%
faceless_voidFaceless Void59.0968.180.00%-40.00%10101100.00%
dragon_knightDragon Knight59.0968.180.00%-40.00%10101100.00%
sand_kingSand King59.0968.180.00%-40.00%10101100.00%
spirit_breakerSpirit Breaker59.0995.450.00%-40.00%10101100.00%
gyrocopterGyrocopter59.0968.180.00%-40.00%10101100.00%
obsidian_destroyerOutworld Destroyer59.0968.180.00%-40.00%10101100.00%
shadow_demonShadow Demon59.0968.180.00%-40.00%10101100.00%
medusaMedusa27.2772.730.00%-40.00%101100.00%
tuskTusk22.7377.270.00%-40.00%10101100.00%
ember_spiritEmber Spirit18.1881.820.00%-40.00%101100.00%
tinyTiny13.6486.360.00%-40.00%10101100.00%
grimstrokeGrimstroke9.0990.910.00%-40.00%101100.00%
weaverWeaver9.09100.000.00%-40.00%101100.00%