Great idea!
I might be too much of a chess nerd, but I found myself wishing I would swap turns with the opponent rather than have 2 moves and then all their pieces move.
I'm not sure what the score at least x number of poker chips feature was adding to the game, if it's not a critical aspect I recommend simplifying it.
More transparency on what buying the piece cards does and more cookie types might help too.
Very nice work, felt polished and complete!