The term CHESSPIECE can be broken down into three crossword solutions: MAN (3 letters). The term CHESSPIECE refers to a game piece used in the game of chess. The piece is typically represented by a MAN-shaped figurine, hence the solution MAN. Chess is an ancient game that has been played for centuries and is still popular today. The pieces used in the game are essential to playing the game and each piece has its own unique movement and purpose.