Chess is a two-player strategy board game that has been around for centuries. The term 'chess move' refers to any move made by a player during the game. The crossword solutions for this term are CASTLE (6 letters), GAMBIT (6 letters), CHECKMATE (9 letters), Castling (8 letters), Fianchetto (10 letters), and Kingsgambitdeclined (19 letters). CASTLE is a move in which a player moves their king two squares towards a rook and then the rook moves to the other side of the king. GAMBIT is a chess opening in which a player sacrifices material, usually a pawn, with the hope of achieving a resulting advantageous position. CHECKMATE is the game's ultimate goal, when a player's king is in a position to be captured and cannot escape. Castling is a move in which a player moves their king two squares towards a rook and then the rook moves to the other side of the king. Fianchetto is a chess opening in which a bishop is developed to the second rank of the adjacent knight's file. Kingsgambitdeclined is a chess opening in which White offers a pawn to Black in exchange for a quick development.