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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 | |
|---|---|---|---|
 | Viper | 9 | 44.44% |
| Opponent | Rank | Rev-Rank | Winrate | Advantage | Matches | Won | Lost | Expected matches | Deviation | Percentage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Slardar | 100.00 | 2.94 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Wraith King | 97.06 | 41.18 | 100.00% | 55.56% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Tusk | 97.06 | 35.29 | 100.00% | 55.56% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Morphling | 91.18 | 32.35 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Jakiro | 91.18 | 32.35 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Phantom Assassin | 91.18 | 32.35 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Storm Spirit | 91.18 | 38.24 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Windranger | 91.18 | 20.59 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Shadow Shaman | 76.47 | 17.65 | 100.00% | 55.56% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Undying | 76.47 | 23.53 | 100.00% | 55.56% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Tidehunter | 76.47 | 17.65 | 100.00% | 55.56% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Bristleback | 67.65 | 11.76 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Enigma | 67.65 | 11.76 | 100.00% | 55.56% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Beastmaster | 61.76 | 5.88 | 100.00% | 55.56% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Keeper of the Light | 58.82 | 47.06 | 50.00% | 5.56% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Dark Willow | 55.88 | 50.00 | 50.00% | 5.56% | 2 | 1 | 1 | 0 | 2 | 100.00% |
 | Grimstroke | 52.94 | 47.06 | 50.00% | 5.56% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Rubick | 50.00 | 94.12 | 33.33% | -11.11% | 3 | 1 | 2 | 1 | 2 | 66.67% |
 | Monkey King | 50.00 | 94.12 | 33.33% | -11.11% | 3 | 1 | 2 | 1 | 2 | 66.67% |
 | Void Spirit | 44.12 | 88.24 | 33.33% | -11.11% | 3 | 1 | 2 | 2 | 1 | 33.33% |
 | Abaddon | 41.18 | 58.82 | 0.00% | -44.44% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Winter Wyvern | 41.18 | 58.82 | 0.00% | -44.44% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Bloodseeker | 35.29 | 100.00 | 0.00% | -44.44% | 2 | 0 | 2 | 1 | 1 | 50.00% |
 | Batrider | 32.35 | 61.76 | 0.00% | -44.44% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Timbersaw | 29.41 | 64.71 | 0.00% | -44.44% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Slark | 26.47 | 97.06 | 0.00% | -44.44% | 2 | 0 | 2 | 0 | 2 | 100.00% |
 | Nyx Assassin | 23.53 | 73.53 | 0.00% | -44.44% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Invoker | 23.53 | 73.53 | 0.00% | -44.44% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Crystal Maiden | 23.53 | 73.53 | 0.00% | -44.44% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Lich | 14.71 | 76.47 | 0.00% | -44.44% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Sand King | 11.76 | 79.41 | 0.00% | -44.44% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Puck | 8.82 | 82.35 | 0.00% | -44.44% | 1 | 0 | 1 | 2 | -1 | -100.00% |
 | Mirana | 5.88 | 85.29 | 0.00% | -44.44% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Mars | 2.94 | 52.94 | 0.00% | -44.44% | 1 | 0 | 1 | 2 | -1 | -100.00% |