Can the Pokemon creators change the strengths and weaknesses for any Pokemon types anytime they want? - Quora

Pokémon Go Type Effectiveness and Weakness Chart

Pokemon Types Chart - Pokemon Black and White Guide - IGN

Pokémon Types and Weaknesses Chart – Free Printable

Pokémon Go type strengths and weaknesses guide - Polygon

It's been awhile since I've played a Pokemon game and thought I'd make this to help me brush up. Couldn't find one in english that included the new 'fairy' type. Anyway

Pokémon Sword and Shield type super effective and weakness chart - Polygon

Easy to read Type Effectiveness chart for newer players. Easy to read and understand (courtesy of GoHub) : r/TheSilphRoad

Here's an easy-to-read chart that you can save to your phone.

Pokemon Sword and Shield type chart: Strengths and weaknesses

Pokemon type chart: All strengths & weaknesses for Scarlet, Violet & Pokemon GO