Checkmate!?

 is the second single by MICHI.

CD

 * 1) Checkmate!?
 * 2) ∞Infinity
 * 3) Checkmate!? (Instrumental)
 * 4) ∞Infinity (Instrumental)

TV Edit CD

 * 1) Checkmate!? (TVedit.)

Limited Edition DVD

 * 1) Checkmate!? [Music Video]
 * 2) Checkmate!? [Music Video Making]