11.   How long does a match last?

12.   Matches will last about half as long under the new system.

13.   Most matches last only a few seconds.

14.   She might be excused for thinking the match lasted even longer than it really did.

15.   The match lasted just eight minutes and the players appeared to be laughing throughout play.

16.   The match lasted nearly two hours.

17.   The match lasted seven ends with Sweden scoring four in the seventh.

18.   The matches last through Monday, with the winners advancing to the finals.

19.   The match could actually last four more games, but if Kasparov draws two or wins one, the contest is over.

20.   The match lasted close to three hours.