Ehmcee
A Spoopy Ghost
Win rate statistics are mainly measured for individual tournaments, smogon doesn't keep track of winrates for every single pokemon on the ladder (to my knowledge), since storing usage rates is deemed more important due to the way that the usage-based tiering system functions.What is the winrate statistic, what is it used for and what does a 100% winrate on a pokemon say?
Win rate isn't particularly used for anything, but it can certainly explain why a pokemon is predominantly good in a metagame, better pokemon tend to have a higher win rate. Generally, good pokemon with a lot of usage tend to have a winrate around 50%
For example, we can take the World Cup of Pokemon usage stats during the whole series:
Number of replays: 264
Number of Pokemon: 3168
+ ---- + ------------------ + ---- + ------- + ------- +
| Rank | Pokemon | Use | Usage % | Win % |
+ ---- + ------------------ + ---- + ------- + ------- +
| 1 | Great Tusk | 349 | 66.10% | 51.29% |
| 2 | Kingambit | 266 | 50.38% | 52.26% |
| 3 | Iron Valiant | 172 | 32.58% | 44.77% |
| 4 | Slowking-Galar | 165 | 31.25% | 51.52% |
| 5 | Gholdengo | 131 | 24.81% | 54.96% |
| 6 | Dragapult | 128 | 24.24% | 48.44% |
| 7 | Zapdos | 122 | 23.11% | 49.18% |
| 8 | Baxcalibur | 116 | 21.97% | 40.52% |
| 9 | Enamorus | 105 | 19.89% | 53.33% |
| 10 | Cinderace | 99 | 18.75% | 55.56% |
| 11 | Garganacl | 98 | 18.56% | 56.12% |
| 12 | Samurott-Hisui | 91 | 17.23% | 49.45% |
| 13 | Ting-Lu | 84 | 15.91% | 50.00% |
| 14 | Zamazenta-* | 83 | 15.72% | 50.60% |
| 15 | Amoonguss | 71 | 13.45% | 54.93% |
| 16 | Landorus-Therian | 69 | 13.07% | 50.72% |
| 16 | Sneasler | 69 | 13.07% | 42.03% |
| 18 | Dragonite | 55 | 10.42% | 58.18% |
| 19 | Hatterene | 50 | 9.47% | 56.00% |
| 20 | Rotom-Wash | 43 | 8.14% | 51.16% |
| 21 | Moltres | 41 | 7.77% | 58.54% |
| 22 | Heatran | 40 | 7.58% | 50.00% |
| 23 | Dondozo | 39 | 7.39% | 58.97% |
| 24 | Corviknight | 37 | 7.01% | 35.14% |
| 25 | Hoopa-Unbound | 35 | 6.63% | 54.29% |
| 25 | Walking Wake | 35 | 6.63% | 48.57% |
| 27 | Iron Moth | 32 | 6.06% | 37.50% |
| 28 | Meowscarada | 28 | 5.30% | 53.57% |
| 29 | Rillaboom | 26 | 4.92% | 50.00% |
| 29 | Glimmora | 26 | 4.92% | 34.62% |
| 31 | Roaring Moon | 24 | 4.55% | 50.00% |
| 31 | Skeledirge | 24 | 4.55% | 50.00% |
| 31 | Toxapex | 24 | 4.55% | 45.83% |
| 34 | Sandy Shocks | 21 | 3.98% | 47.62% |
| 34 | Volcanion | 21 | 3.98% | 33.33% |
| 36 | Scizor | 20 | 3.79% | 50.00% |
| 37 | Azumarill | 18 | 3.41% | 44.44% |
| 38 | Enamorus-Therian | 17 | 3.22% | 58.82% |
| 39 | Scream Tail | 16 | 3.03% | 50.00% |
| 39 | Greninja-* | 16 | 3.03% | 50.00% |
| 39 | Ursaluna | 16 | 3.03% | 31.25% |
| 42 | Garchomp | 15 | 2.84% | 53.33% |
| 42 | Tornadus-Therian | 15 | 2.84% | 33.33% |
| 44 | Slowking | 14 | 2.65% | 42.86% |
| 45 | Moltres-Galar | 13 | 2.46% | 46.15% |
| 46 | Torkoal | 12 | 2.27% | 66.67% |
| 47 | Clodsire | 11 | 2.08% | 54.55% |
| 47 | Grimmsnarl | 11 | 2.08% | 36.36% |
| 49 | Cresselia | 10 | 1.89% | 30.00% |
| 50 | Muk-Alola | 9 | 1.70% | 55.56% |
| 50 | Blissey | 9 | 1.70% | 55.56% |
| 52 | Hydreigon | 7 | 1.33% | 57.14% |
| 52 | Thundurus-Therian | 7 | 1.33% | 42.86% |
| 52 | Alomomola | 7 | 1.33% | 42.86% |
| 52 | Hawlucha | 7 | 1.33% | 42.86% |
| 56 | Pelipper | 6 | 1.14% | 66.67% |
| 56 | Brute Bonnet | 6 | 1.14% | 66.67% |
| 56 | Indeedee | 6 | 1.14% | 50.00% |
| 56 | Iron Hands | 6 | 1.14% | 16.67% |
| 60 | Armarouge | 5 | 0.95% | 60.00% |
| 61 | Rotom-Heat | 4 | 0.76% | 25.00% |
| 61 | Mew | 4 | 0.76% | 25.00% |
| 63 | Abomasnow | 3 | 0.57% | 100.00% |
| 63 | Polteageist | 3 | 0.57% | 33.33% |
| 63 | Ceruledge | 3 | 0.57% | 33.33% |
| 63 | Lilligant-Hisui | 3 | 0.57% | 33.33% |
| 63 | Thundurus | 3 | 0.57% | 0.00% |
| 68 | Slither Wing | 2 | 0.38% | 100.00% |
| 68 | Basculegion-F | 2 | 0.38% | 100.00% |
| 68 | Frosmoth | 2 | 0.38% | 100.00% |
| 68 | Azelf | 2 | 0.38% | 50.00% |
| 68 | Slowbro | 2 | 0.38% | 50.00% |
| 68 | Ditto | 2 | 0.38% | 50.00% |
| 68 | Tinkaton | 2 | 0.38% | 50.00% |
| 68 | Iron Treads | 2 | 0.38% | 50.00% |
| 68 | Breloom | 2 | 0.38% | 50.00% |
| 68 | Zapdos-Galar | 2 | 0.38% | 0.00% |
| 68 | Delphox | 2 | 0.38% | 0.00% |
| 68 | Masquerain | 2 | 0.38% | 0.00% |
| 80 | Mimikyu | 1 | 0.19% | 100.00% |
| 80 | Magnezone | 1 | 0.19% | 100.00% |
| 80 | Floatzel | 1 | 0.19% | 100.00% |
| 80 | Overqwil | 1 | 0.19% | 100.00% |
| 80 | Kilowattrel | 1 | 0.19% | 100.00% |
| 80 | Drifblim | 1 | 0.19% | 100.00% |
| 80 | Rabsca | 1 | 0.19% | 100.00% |
| 80 | Uxie | 1 | 0.19% | 100.00% |
| 80 | Maushold-Four | 1 | 0.19% | 100.00% |
| 80 | Hippowdon | 1 | 0.19% | 100.00% |
| 80 | Grafaiai | 1 | 0.19% | 100.00% |
| 80 | Umbreon | 1 | 0.19% | 100.00% |
| 80 | Typhlosion-Hisui | 1 | 0.19% | 100.00% |
| 80 | Arcanine-Hisui | 1 | 0.19% | 0.00% |
| 80 | Kleavor | 1 | 0.19% | 0.00% |
| 80 | Iron Thorns | 1 | 0.19% | 0.00% |
| 80 | Gengar | 1 | 0.19% | 0.00% |
| 80 | Quaquaval | 1 | 0.19% | 0.00% |
| 80 | Basculegion | 1 | 0.19% | 0.00% |
| 80 | Murkrow | 1 | 0.19% | 0.00% |
| 80 | Medicham | 1 | 0.19% | 0.00% |
| 80 | Tornadus | 1 | 0.19% | 0.00% |
| 80 | Zarude | 1 | 0.19% | 0.00% |
Number of Pokemon: 3168
+ ---- + ------------------ + ---- + ------- + ------- +
| Rank | Pokemon | Use | Usage % | Win % |
+ ---- + ------------------ + ---- + ------- + ------- +
| 1 | Great Tusk | 349 | 66.10% | 51.29% |
| 2 | Kingambit | 266 | 50.38% | 52.26% |
| 3 | Iron Valiant | 172 | 32.58% | 44.77% |
| 4 | Slowking-Galar | 165 | 31.25% | 51.52% |
| 5 | Gholdengo | 131 | 24.81% | 54.96% |
| 6 | Dragapult | 128 | 24.24% | 48.44% |
| 7 | Zapdos | 122 | 23.11% | 49.18% |
| 8 | Baxcalibur | 116 | 21.97% | 40.52% |
| 9 | Enamorus | 105 | 19.89% | 53.33% |
| 10 | Cinderace | 99 | 18.75% | 55.56% |
| 11 | Garganacl | 98 | 18.56% | 56.12% |
| 12 | Samurott-Hisui | 91 | 17.23% | 49.45% |
| 13 | Ting-Lu | 84 | 15.91% | 50.00% |
| 14 | Zamazenta-* | 83 | 15.72% | 50.60% |
| 15 | Amoonguss | 71 | 13.45% | 54.93% |
| 16 | Landorus-Therian | 69 | 13.07% | 50.72% |
| 16 | Sneasler | 69 | 13.07% | 42.03% |
| 18 | Dragonite | 55 | 10.42% | 58.18% |
| 19 | Hatterene | 50 | 9.47% | 56.00% |
| 20 | Rotom-Wash | 43 | 8.14% | 51.16% |
| 21 | Moltres | 41 | 7.77% | 58.54% |
| 22 | Heatran | 40 | 7.58% | 50.00% |
| 23 | Dondozo | 39 | 7.39% | 58.97% |
| 24 | Corviknight | 37 | 7.01% | 35.14% |
| 25 | Hoopa-Unbound | 35 | 6.63% | 54.29% |
| 25 | Walking Wake | 35 | 6.63% | 48.57% |
| 27 | Iron Moth | 32 | 6.06% | 37.50% |
| 28 | Meowscarada | 28 | 5.30% | 53.57% |
| 29 | Rillaboom | 26 | 4.92% | 50.00% |
| 29 | Glimmora | 26 | 4.92% | 34.62% |
| 31 | Roaring Moon | 24 | 4.55% | 50.00% |
| 31 | Skeledirge | 24 | 4.55% | 50.00% |
| 31 | Toxapex | 24 | 4.55% | 45.83% |
| 34 | Sandy Shocks | 21 | 3.98% | 47.62% |
| 34 | Volcanion | 21 | 3.98% | 33.33% |
| 36 | Scizor | 20 | 3.79% | 50.00% |
| 37 | Azumarill | 18 | 3.41% | 44.44% |
| 38 | Enamorus-Therian | 17 | 3.22% | 58.82% |
| 39 | Scream Tail | 16 | 3.03% | 50.00% |
| 39 | Greninja-* | 16 | 3.03% | 50.00% |
| 39 | Ursaluna | 16 | 3.03% | 31.25% |
| 42 | Garchomp | 15 | 2.84% | 53.33% |
| 42 | Tornadus-Therian | 15 | 2.84% | 33.33% |
| 44 | Slowking | 14 | 2.65% | 42.86% |
| 45 | Moltres-Galar | 13 | 2.46% | 46.15% |
| 46 | Torkoal | 12 | 2.27% | 66.67% |
| 47 | Clodsire | 11 | 2.08% | 54.55% |
| 47 | Grimmsnarl | 11 | 2.08% | 36.36% |
| 49 | Cresselia | 10 | 1.89% | 30.00% |
| 50 | Muk-Alola | 9 | 1.70% | 55.56% |
| 50 | Blissey | 9 | 1.70% | 55.56% |
| 52 | Hydreigon | 7 | 1.33% | 57.14% |
| 52 | Thundurus-Therian | 7 | 1.33% | 42.86% |
| 52 | Alomomola | 7 | 1.33% | 42.86% |
| 52 | Hawlucha | 7 | 1.33% | 42.86% |
| 56 | Pelipper | 6 | 1.14% | 66.67% |
| 56 | Brute Bonnet | 6 | 1.14% | 66.67% |
| 56 | Indeedee | 6 | 1.14% | 50.00% |
| 56 | Iron Hands | 6 | 1.14% | 16.67% |
| 60 | Armarouge | 5 | 0.95% | 60.00% |
| 61 | Rotom-Heat | 4 | 0.76% | 25.00% |
| 61 | Mew | 4 | 0.76% | 25.00% |
| 63 | Abomasnow | 3 | 0.57% | 100.00% |
| 63 | Polteageist | 3 | 0.57% | 33.33% |
| 63 | Ceruledge | 3 | 0.57% | 33.33% |
| 63 | Lilligant-Hisui | 3 | 0.57% | 33.33% |
| 63 | Thundurus | 3 | 0.57% | 0.00% |
| 68 | Slither Wing | 2 | 0.38% | 100.00% |
| 68 | Basculegion-F | 2 | 0.38% | 100.00% |
| 68 | Frosmoth | 2 | 0.38% | 100.00% |
| 68 | Azelf | 2 | 0.38% | 50.00% |
| 68 | Slowbro | 2 | 0.38% | 50.00% |
| 68 | Ditto | 2 | 0.38% | 50.00% |
| 68 | Tinkaton | 2 | 0.38% | 50.00% |
| 68 | Iron Treads | 2 | 0.38% | 50.00% |
| 68 | Breloom | 2 | 0.38% | 50.00% |
| 68 | Zapdos-Galar | 2 | 0.38% | 0.00% |
| 68 | Delphox | 2 | 0.38% | 0.00% |
| 68 | Masquerain | 2 | 0.38% | 0.00% |
| 80 | Mimikyu | 1 | 0.19% | 100.00% |
| 80 | Magnezone | 1 | 0.19% | 100.00% |
| 80 | Floatzel | 1 | 0.19% | 100.00% |
| 80 | Overqwil | 1 | 0.19% | 100.00% |
| 80 | Kilowattrel | 1 | 0.19% | 100.00% |
| 80 | Drifblim | 1 | 0.19% | 100.00% |
| 80 | Rabsca | 1 | 0.19% | 100.00% |
| 80 | Uxie | 1 | 0.19% | 100.00% |
| 80 | Maushold-Four | 1 | 0.19% | 100.00% |
| 80 | Hippowdon | 1 | 0.19% | 100.00% |
| 80 | Grafaiai | 1 | 0.19% | 100.00% |
| 80 | Umbreon | 1 | 0.19% | 100.00% |
| 80 | Typhlosion-Hisui | 1 | 0.19% | 100.00% |
| 80 | Arcanine-Hisui | 1 | 0.19% | 0.00% |
| 80 | Kleavor | 1 | 0.19% | 0.00% |
| 80 | Iron Thorns | 1 | 0.19% | 0.00% |
| 80 | Gengar | 1 | 0.19% | 0.00% |
| 80 | Quaquaval | 1 | 0.19% | 0.00% |
| 80 | Basculegion | 1 | 0.19% | 0.00% |
| 80 | Murkrow | 1 | 0.19% | 0.00% |
| 80 | Medicham | 1 | 0.19% | 0.00% |
| 80 | Tornadus | 1 | 0.19% | 0.00% |
| 80 | Zarude | 1 | 0.19% | 0.00% |
You'll notice that Great Tusk and Kingambit are used astronomically more than the rest of the competition, and their win rate tends to float around 50%. However as you scroll down, you'll see a larger amount of pokemon with a 100% win rate.
This typically happens due to an extremely low usage rate, with these pokemon only really being used a maximum of 3 times. The higher win rate doesn't mean they're better than the pokemon at the top, just that they were able to win with a good team or had a significant amount of surprise factor. For example, a win rate of 60% for a pokemon used 50% of the time just isn't possible, there's a 50% chance you'll run into the same pokemon, then one of them will have to lose.
Typically, a smaller sample size means that a pokemon has a higher chance of having an extremely high winrate, this is simply due to a lack of variance against different kinds of teams.
TLDR:
Winrate stats are simply calculated to figure out how dominant certain pokemon are in tournaments. They're not particularly used for anything, unless a pokemon has a significant usage margin as well as a very high win rate (typically over 60%) then a pokemon could be said to be somewhat broken or strong (for example if a pokemon used 20% of the time wins 70% of the time). Pokemon with smaller usage rates tend to have either very high or very low win rates due to a lack of usage.
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