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Effort values

6 bytes added, 16 March
Stat experience
In [[Generation I|Generations I]] and {{gen|II}}, effort points given are equal to the [[base stats]] of the defeated Pokémon species.
The [[Pokémon data structure in theGeneration GBI|Pokémon data structure]] contains two EV bytes for each of the five stats (HP, Attack, Defense, Speed and Special), starting at zero when caught and with a maximum EV of 65535 for each stat. When a Pokémon is defeated, its [[base stats]] are converted to effort points and then added to the EVs. For example, defeating a {{p|Mew}} grants 100 effort points to each EV. (Defeating 656 {{p|Mew}}, therefore, will give a Pokémon maximum EVs in each stat.)
EVs are factored into the Pokémon's stats when it levels up. Additionally, EVs are calculated into stats when a Pokémon is taken from Bill's PC; this is called the [[box trick]]. A Pokémon which reaches level 100 can continue to acquire EVs up to the maximum of 65535 in each stat, and use the [[box trick]] to have those EVs factored in.