In Bridge Quiz 144, West defeated six hearts by leading a club to partner’s ace after South ducked his diamond jack. However, had he switched to hearts instead of clubs, South would win eight heart tricks, setting up a double squeeze, and make his small slam.
South has won eight Hearts and must win the last four tricks.
You are sitting South playing five clubs. East bids one spade with 12-15 HCP’s, plays the ace on the opening lead, and continues with the king which South ruffs in his hand.