Template:PokemonOldElectricSteel

Type Matching for Red/Blue/Yellow
Move types which are good on in Red/Blue/Yellow: Ground  Move types which are bad on in Red/Blue/Yellow: Electric, Flying

All other move types are normal effectiveness on in Red/Blue/Yellow.

Type Matching for all later games
Move types which are very good on : Ground  Move types which are good on : Fire, Fighting  Move types which are bad on : Bug, Dark , Dragon , Electric , Ghost , Grass , Ice , Normal , Psychic , Rock  Move types which are very bad on : Flying, Steel  Move types which don't effect : Poison 

All other move types are normal effectiveness on.

NOTE: has a new type starting in Gold/Silver, and that's the reason for the major differences in type matching.