Base variant
Main mutatorAfter your 10th move, one pawn on the affected side changes to the other color. It then moves as that color’s pawn and cannot move two squares on its first move. If no pawn can change safely, it waits until one is available.
Detailed rule
After your 10th move, one pawn on the affected side changes to the other color. It then moves as that color’s pawn and cannot move two squares on its first move. If no pawn can change safely, it waits until one is available.
