Problem

The Auction:

South started the auction with 1NT. West overcalled 2♣ (Cappeletti, meaning a one-suited hand). North bid 2NT (Lebensohl puppet bid). East passed. North responded with 3♣. West went to 4♥. North doubled for penalty. South declared 5♣. West and North passed, East doubled.

How can South win 11 tricks? West leads the ♥Q.

* 2♣! Capelletti – Cappelletti is a bidding convention used to intervene over opponent's one notrump opening. After a 1 NT opening 2♣ shows a one-suited hand, usually 6 or more cards.

** 2NT! Lebensohl – Lebensohl is a bidding convention used by the responder after an opponent's overcall of a one notrump opening bid in order to compete further in the auction. After an overcall of a 1NT opening 2NT is a puppet bid, requiring the opener to bid 3♣.

Vulnerable: none

Contract: 5♣ S