Related Clues:

• Man on board with gun
• Man on board in calm sound
• Bit - part
• Chessman - part - firearm
• Part — portion
• Announced the end of war for man on board
• Serving of cake
• Prelude or étude
• Word that could follow the first word of the theme entries
• Piece, if black may be red
• Bit that's evading the Middle East, it's reported
• Bishop, e.g
• Portion, bit
• Playing piece
• Castle for grand master perhaps