Chimecho has decent enough stats for PvP, but it is outshined significantly in Pokemon GO's Battle League by other Psychic-types such as Hypno, Alakazam, Medicham, and more.

Screenshot by Siliconera Once you have a Chingling, you are then able to evolve it into Chimecho. To get this Psychic-type Pokemon, you need to get Chingling’s Friendship to 220 or higher.

Stargleam Cavern Evolving Chingling into Chimecho in Pokemon Brilliant Diamond & Shining Pearl To evolve Chingling, you must level it up in the nighttime when it has a high Friendship level with you.