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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.
| Hero | Matches | Winrate | |
|---|---|---|---|
 | Io | 14 | 42.86% |
| Opponent | Rank | Rev-Rank | Winrate | Advantage | Matches | Won | Lost | Expected matches | Deviation | Percentage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Invoker | 100.00 | 2.56 | 100.00% | 57.14% | 2 | 2 | 0 | 0 | 2 | 100.00% |
 | Void Spirit | 97.44 | 10.26 | 100.00% | 57.14% | 2 | 2 | 0 | 2 | 0 | 0.00% |
 | Ember Spirit | 94.87 | 25.64 | 100.00% | 57.14% | 2 | 2 | 0 | 1 | 1 | 50.00% |
 | Outworld Destroyer | 94.87 | 25.64 | 100.00% | 57.14% | 2 | 2 | 0 | 1 | 1 | 50.00% |
 | Oracle | 89.74 | 84.62 | 57.14% | 14.28% | 7 | 4 | 3 | 2 | 5 | 71.43% |
 | Pangolier | 87.18 | 41.03 | 60.00% | 17.14% | 5 | 3 | 2 | 3 | 2 | 40.00% |
 | Phantom Assassin | 84.62 | 82.05 | 50.00% | 7.14% | 4 | 2 | 2 | 1 | 3 | 75.00% |
 | Elder Titan | 82.05 | 20.51 | 100.00% | 57.14% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Magnus | 79.49 | 28.21 | 100.00% | 57.14% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Troll Warlord | 76.92 | 15.38 | 100.00% | 57.14% | 1 | 1 | 0 | 2 | -1 | -100.00% |
 | Batrider | 74.36 | 12.82 | 100.00% | 57.14% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Nature's Prophet | 74.36 | 20.51 | 100.00% | 57.14% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Anti-Mage | 74.36 | 7.69 | 100.00% | 57.14% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Riki | 74.36 | 7.69 | 100.00% | 57.14% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Sand King | 64.10 | 30.77 | 50.00% | 7.14% | 2 | 1 | 1 | 0 | 2 | 100.00% |
 | Timbersaw | 61.54 | 33.33 | 50.00% | 7.14% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Earth Spirit | 58.97 | 35.90 | 50.00% | 7.14% | 2 | 1 | 1 | 2 | 0 | 0.00% |
 | Tusk | 56.41 | 38.46 | 50.00% | 7.14% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Mirana | 53.85 | 87.18 | 33.33% | -9.53% | 3 | 1 | 2 | 1 | 2 | 66.67% |
 | Grimstroke | 51.28 | 89.74 | 33.33% | -9.53% | 3 | 1 | 2 | 2 | 1 | 33.33% |
 | Death Prophet | 48.72 | 43.59 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Morphling | 46.15 | 100.00 | 0.00% | -42.86% | 4 | 0 | 4 | 1 | 3 | 75.00% |
 | Monkey King | 43.59 | 53.85 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Underlord | 41.03 | 79.49 | 0.00% | -42.86% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Storm Spirit | 38.46 | 97.44 | 0.00% | -42.86% | 2 | 0 | 2 | 1 | 1 | 50.00% |
 | Kunkka | 35.90 | 79.49 | 0.00% | -42.86% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Tidehunter | 33.33 | 74.36 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Dragon Knight | 30.77 | 71.79 | 0.00% | -42.86% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Nyx Assassin | 28.21 | 97.44 | 0.00% | -42.86% | 2 | 0 | 2 | 1 | 1 | 50.00% |
 | Undying | 25.64 | 66.67 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Ogre Magi | 25.64 | 66.67 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Treant Protector | 20.51 | 71.79 | 0.00% | -42.86% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Necrophos | 20.51 | 61.54 | 0.00% | -42.86% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Juggernaut | 15.38 | 58.97 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Spirit Breaker | 12.82 | 56.41 | 0.00% | -42.86% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Beastmaster | 10.26 | 53.85 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Night Stalker | 10.26 | 53.85 | 0.00% | -42.86% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Queen of Pain | 5.13 | 97.44 | 0.00% | -42.86% | 2 | 0 | 2 | 1 | 1 | 50.00% |
 | Mars | 2.56 | 46.15 | 0.00% | -42.86% | 1 | 0 | 1 | 3 | -2 | -200.00% |