Related Clues:

• Chess targets
• Washroom placard
• Comic book mutants
• Androphobe's aversion
• Unwitting tools
• Nearly half the world
• See 38-Down
• Sign guys look for in a bar?
• Chess pieces, informally
• Pair on Kasparov's team
• Senate majority?
• Half the population
• The ''M'' of ''MIB''
• They're moved at a 17-Across
• Rulers