Pokémon/Attack chart

Key
Θ = Super Effective (x2)

O = Normal Attack (x1)

∆ = Poor (x0.5)

X = None (x0)

Note that Pokémon with duplicated types are weak or strong respectivly.

For example, Dragonite, which is type, is 4x weak against ice type.

Also note that in Generation 1 games (Red, Blue, Green, Yellow) some weaknesses/resistances are different:
 * [[Image:PkmnType Ice.gif]] moves are 1x effectiveness vs [[Image:PkmnType Fire.gif]], not 0.5x
 * [[Image:PkmnType Bug.gif]] moves are 2x effectiveness vs [[Image:PkmnType Poison.gif]], not 0.5x
 * [[Image:PkmnType Ghost.gif]] moves are 0x effectiveness vs [[Image:PkmnType Psychic.gif]], not 2x
 * [[Image:PkmnType Dark.gif]] and [[Image:PkmnType Steel.gif]] do not exist.