Related Clues:

• King protectors
• Members of a chess line
• They can be taken en passant
• Chess pieces
• Hocks
• Puppets
• Kasparov's soldiers
• Unwitting tools
• Half a chess set
• Front line in a game
• Chess row
• Chessboard pieces
• Half of a chess set
• One row on a chessboard
• Chess player's octet