In case you didn’t know, Pokemon is a turn-based RPG game where your party is the titular creatures, Pokemon. Pokemon have a few things to set them apart from one another: BST (base stat total), EVs (Effort values), IVs (Individual values), Typing and Nature. All 5 of these things make Pokemon what they are, some of these are easy to understand while others aren’t.
BST: the Base stat total of a mon (Pokemon) is devided into 6 stats: HP, Attack, Defense, Special attack, Special defense and speed. The higher the stat, the better. every point gives a specific amount. 1 point in BST is equal to 2.56 points
Typing: Every mon belongs to at least one (some mons have two types) of the 18 types: Normal, Fighting, fire, water, grass, electric, ice, poison, ground, flying, psychic, bug, rock, ghost and dragon in the first games. after the first games, two more types were added: steel and dark. after the fifth games, the fairy type was added.
EVs: Effort Values are earned by defeting other mons in battle. Every mon, when defeated, will assign anywhere between 1 and 4 in any of the main 6 stats. 4 points of EVs give one point in the actual stat. Each Pokemon can have up to 252 EVs in one stat and a maximum of 508
IVs: Individual values are assigned to the mon upon their capture. each IV goes up to 31 in each stat with no maximum total or way to change the IVs easily. Each IV adds about 5 to the score.
Natures: Natures are easily the most daunting thing here. they are assigned to a mon upon encounter and each mon has one nature. A nature gives one stat a 10% increase to one stat but a 10% decrease to one other stat. some natures are nuetral and don’t change any stat
With this brief rundown, you have all you need to create a competitive mon