Cluckmate

A match against the coop
Cluckmate
You play White. A chicken plays Black. Win a match and the next bird gets smarter — from a confused hatchling to the Grand Cluck.
You are White. The hen is Black.
Peck, then think
Early opponents blunder. Later ones do not.
Six birds
Each win unlocks a harder chicken. Then an encore.
Checkmate
Trap the king. Stalemate is a draw, not a win.