Type Rating

This is mattgcn's system of rating a type or a Pokémon's type matchup. Here's how it works:

Offensively

 * +2 Points: For every super-effective type
 * 00 Points: For every neutral type
 * -2 Points: For every not-very-effective type
 * -4 Points: For every no-effect type

Defensively

 * +4 Points: For every immunity
 * +2 Points: For every resistance
 * 00 Points: For every neutral type
 * -2 Points: For every vulnerability

For Pokémon Type Matchups

 * +6 Points: For every immunity
 * +4 Points: For every double resistance
 * +2 Points: For every resistance
 * 00 Points: For every neutral type
 * -2 Points: For every vulnerability
 * -4 Points: For every double vulnerability