Lost variant it adds a new price the lantern which can see the the fog in surrounding tiles and goes in front of the rooks pawn and moves like a king. In this variant you can’t see anything except where your pieces are and has the standard setup.The lantern allows you to see the tiles surrounding it so it will be a really hard endgame once the kings move.
make up the worst chess variant!
must be fair
Here's one:
Pawn herd
All pawns move at the rate of a snail because why not