Checkmate

 was a Japanese hard rock idol group formed in 2016 and disbanded in 2018. Some of their former members joined KING∞RAGE, which is considered a restart of the group.

Final Line-Up

 * Emiri (えみり)
 * Ayumi (あゆみ)
 * Hitomi
 * Saaya (さあや)

Members left prior to disbandment

 * Rina (リナ)