Related Clues:

• Result of black's move from the upper-left board to the lower-right board
• Defeat decisively, informally
• Last word in a cerebral game
• Carefully review a crew member's work?
• Beat but good, in Dixie
• Defeat, slangily
• Coup for Kasparov
• Beat but good
• Chess victory
• Beat decisively, Southern style
• The killer move in chess
• Winning call on board
• Victory in chess
• The final winning move in chess
• The final killer move in chess