Related Clues:

• Kasparov's coup de grâce
• 'G'day, ___!'
• One of a pair
• Check chaser
• "G'day, ___!"
• Perth pal
• Game-ending word
• Chess win
• Captain's aide
• Kasparov kayo
• Chess player's cry
• Coup in a certain board game
• Husband or wife
• One of a matched pair
• Aussie pal