Mittens Chess Piece | Chess Update

Mittens moves one square forward and can only capture with his ability.
Mittens has a unique promotion when reaching 8th rank. Chess match against Stockfish. If Mittens was a chess piece.

[@jsabasakapa]

Bishop: *Weeee* “Hello darkness my new friend

[@Chesslol]

Bishop went on vacation

[@slushyski]

How did you play mittens? I can't do it on waybackmachine, its not working. What do i do?

[@Chesslol]

its no longer possible. didnt use mittens bot here