Answer:

mates

Answer	Crossword Clue
MATES	Chess endings
MATES	Husbands and wives
MATES	Better halves

MATES	Threatens Kasparov?
MATES	Breeds
MATES	Perth pals
MATES	Pub pals
MATES	Finishes off, in chess
MATES	Spouses
MATES	Husband and wife
MATES	Some game enders

MATES	A couple
MATES	Partners
MATES	Crew members
MATES	Ship buddies
MATES	Paired socks
MATES	Good buddies
MATES	Identical socks
MATES	Buds

MATES	Captains' subordinates
MATES	Chess defeats
MATES	Hubbies
MATES	Husbands or wives
MATES	Wins, a la Karpov
MATES	They're well matched
MATES	Blokes
MATES	Beats Kasparov

MATES	British buddies
MATES	Traps the king
MATES	Ships' officers
MATES	Friends in Melbourne
MATES	Wins at chess
MATES	Chess wins
MATES	Ends a chess game
MATES	Ship's crew

MATES	Pals
MATES	What some socks are missing
MATES	Chess match enders
MATES	Marine officers.
MATES	Petty officers.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.