Reference

Pokemon Champions type chart

Rows attack, columns defend. Champions uses the standard 18 type chart with no changes, so everything you already know about type matchups carries over. Tap any type to see its roster.

Atk \ Def	Nor	Fig	Fly	Poi	Gro	Roc	Bug	Gho	Ste	Fir	Wat	Gra	Ele	Psy	Ice	Dra	Dar	Fai
Normal						½		0	½
Fighting	2		½	½		2	½	0	2					½	2		2	½
Flying		2				½	2		½			2	½
Poison				½	½	½		½	0			2						2
Ground			0	2		2	½		2	2		½	2
Rock		½	2		½		2		½	2					2
Bug		½	½	½				½	½	½		2		2			2	½
Ghost	0							2						2			½
Steel						2			½	½	½		½		2			2
Fire						½	2		2	½	½	2			2	½
Water					2	2				2	½	½				½
Grass			½	½	2	2	½		½	½	2	½				½
Electric			2		0						2	½	½			½
Psychic		2		2					½					½			0
Ice			2		2				½	½	½	2			½	2
Dragon									½							2		0
Dark		½						2						2			½	½
Fairy		2		½					½	½						2	2

2 — super effective½ — not very effective0 — no effect

Roster by type

Normal37 Fighting39 Flying46 Poison27 Ground24 Rock21 Bug35 Ghost40 Steel31 Fire38 Water40 Grass36 Electric26 Psychic38 Ice20 Dragon25 Dark33 Fairy39