Castle Chess is a popular strategy game that has been around for centuries. The objective of the game is to checkmate the opponent's king. In order to do this, players must use their pieces strategically to MOVE around the board and capture their opponent's pieces. The four crossword solutions for the term Castle Chess are ROOK (4 letters), Tal (3 letters), MOVE (4 letters), and MATE (4 letters). A ROOK is a piece in the game of chess that can MOVE horizontally or vertically across the board. Tal is the surname of Mikhail Tal, a former world chess champion. MOVE refers to the action of moving a piece on the board. Finally, MATE is when a player's king is in check and cannot escape, resulting in the end of the game.