Weak toFighting ×2.56RockBugSteelFireFairy ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	54.2
Pheromosa	BugFighting	Low KickFocus Blast	49.7
Terrakion	RockFighting	Double KickSacred SwordLegacy	49.4
Blaziken	FireFighting	CounterAura Sphere	49.0
Kartana	GrassSteel	Fury CutterSacred Sword	46.8
Conkeldurr	Fighting	Force PalmFocus Blast	45.2
Keldeo	WaterFighting	Low KickSacred Sword	44.8
Breloom	GrassFighting	Force PalmDynamic Punch	44.6
Urshifu	Fighting	CounterDynamic Punch	44.3
Marshadow	FightingGhost	CounterClose Combat	43.3
Mewtwo	Psychic	CounterFocus BlastLegacy	43.1
Machamp	Fighting	CounterDynamic Punch	41.0

Overcast boosts the Fighting attacks above. Fog and Snow boost Chien-Pao.

Level 40, 15 attack IV, costed against Chien-Pao's own defense and typing, one per evolution family.

Chien-Pao's moveset, CP and shiny All counters Raid board

Questions people ask

What is Chien-Pao weak to in Pokémon GO?

Chien-Pao takes 2.56 times damage from Fighting, and 1.6 times from Rock, Bug, Steel, Fire and Fairy.

What's the best counter to Chien-Pao?

Lucario with Force Palm and Aura Sphere, worth 54.2 damage per second against Chien-Pao's own defense. The full ranking is above.