'The only chess move in which a player may move 2 of his own pieces at the same time'
Castling
CHESS NUTS: The only chess move in which a player may move 2 of his own pieces at the same time
The only chess move in which a player may move 2 of his own pieces at the same time
The only chess move in which a player may move 2 of his own pieces at the same time
CHESS NUTS
Castling
CHESS NUTS