1) SA beverages 2) Aussie pals 3) Beats Kasparov 4) Better halves 5) Blokes 6) Board victories 7) Board wins 8) Brisbane buddies 9) British pals 10) Buck and hind 11) Buddies 12) Captures the king 13) Certain seamen 14) Checks out Magnus Carlsen 15) Chess endings 16) Chess match enders 17) Chess victories Found on https://www.crosswordclues.com/clue/mates