CHECKMATE (Pre-Debut) - New Group Profile Pictures : r/kpop

ITZY - The 5th Mini Album: CHECKMATE (Album Packaging / Merchandise Preview - Standard & Limited Edition Ver.) : r/kpop

CHECKMATE members kpop profile (2023 updated)

CHECKMATE (Pre-Debut) - New Group Profile Pictures : r/kpop

If you could make your own K-pop group, what would you name them, who are the members, which company are they signed to, and what is their concept? - Quora

CHECKMATE Members Profile (Updated!) - Kpop Profiles

CHECKMATE (group), Kpop Wiki

ITZY, Kpop Wiki

CHECKMATE (Pre-Debut) - New Group Profile Picture : r/kpop

CHECKMATE (Pre-Debut) - New Group Picture : r/kpop