Related Clues:

• Last word in a chess match
• On's counterpart
• One of a pair, a pal
• Coup in a classic board game
• Not accurate
• The "O" in OTB
• Partner gets no piece in peacetime?
• Game-ending move
• Deck worker
• "Ferris Bueller's Day ___"
• Aussie's buddy
• Australian pal
• Buddy in Australia
• Taking a personal day
• __ for life