Stats
Base Stats
There are 3 Hidden Stats, Stamina (HP), Attack and Defense, that make up a Pokemon's CP (Combat Power).
These values are produced by taking the pokemon's stats from the main games and running them through this formula:
- Base Attack = 2.6 * (Atk^0.46)(SpAtk^0.46)(Sp"0.04) + 3
- Base Defense = 2.6 * (Def^0.46)(SpDef^0.46)(Sp^0.04) + 3
- Base Stamina = 2 * HP
Because the speed stat is weighted so lightly in this formula, Pokemon that relied on their speed in the main games such as Electric-types will find their state lacking in Pokemon GO as we see the Bulky and Bulky-Water types like Vaporeon and Slowbro that are normally very slow have a big stat advantage.
STABs and Type Effectivenesses
Same-Type-Allack-Bonuses (STAB) in GO give a *1.25 multiplier to your attack if it is the same type as the user's type as opposed to *1.5 in the main games.
Super Effective moves only deal *1.25 extra, and Not Very Effective deals *0.8 as opposed to *2 and *0.5 in the main games.
Immunities are changed to Not Very Effective (*0.8).
IVs
If you thought the grind was over after finally getting that Vaporeon with Hydro Pump, think again. Supposedly IVs (Individual Values) are in GO. I cant confirm it however.