Oliver's Chess is a variation of the board game Chess that is played on a 5 by 5 board, instead a 8 by 8 board in regular Chess.
Made in Thursday 4th 2020 by [Oliver]
The board is checked according to the corners of the board being dark
White pieces are on bottom
On the 1st and 5th edge rows(Left to Right)
Pawns cover the next rows
en passant is banned
when the path between the king and rook is cleared an both of them haven't moved,
you can move the rook to where the king was and the king one square right of the rook
(written as O in algebraic notation )