All problems are matchpoints.
(A) Red vs. white
Q7 KJ984 AQJ52 8
Partner opens 1C, and over your 1H, rebids 3NT. What is he showing here? What's your bid?
(B) All white
AJT94 9 QJ7 9862
LHO opens 1NT, showing “good 10 to bad 13”. RHO invites with 2NT, and LHO bids 3NT, which gets passed around to you. Your call.
(C) Red vs. white
A3 AQT9753 742 8
LHO opens 1D. Pard passes, and RHO bids 1S.
(C1) What's your call?
(C2) LHO will pass, and RHO will bid 3NT over 2 or 3H. Your lead.
(D) All red
QT KJT832 J8 K92
Partner opens 1C. You respond 1H, He rebids 1S, and you bid 2H (showing constructive values). He rebids 2S, presumably 5=x=y=6. What's your call?
(E) All red
A AK74 AQ9854 52
There are two passes to you, and you open 1D. LHO overcalls 1S. Partner bids 2H, and RHO leaps to 4S. What's your bid?