Problem A

Matchpoints
Both sides vulnerable
You, South, hold

^*BWS: one-round force; 3 ♥ would have
been a natural game-force with five-five
^†BWS: game-force

What call do you make?

Problem B

Imps
Both sides vulnerable
You, South, hold:

^*BWS: 1 ♠ = four-plus spades, any strength;
2 ♠ = artificial game-force.

What call do you make?

Problem C

Matchpoints
East-West vulnerable
You, South, hold:

^*BWS: game-force
^†BWS: 5 ♣ picture bid (strong clubs)

What call do you make?

Problem D

Matchpoints
East-West vulnerable
You, South, hold:

What call do you make?

Problem E

Imps
Neither side vulnerable
You, South, hold:

What call do you make?

Problem F

Imps
North-South vulnerable
You, South, hold:

^*BWS: 2 ♥ nonforcing

What call do you make?

Problem G

Imps
Neither side vulnerable
You, South, hold:

What is your plan?
(a) Pass; then, after (Pass) - Double - (Pass) - ?
(a1) Pass (a2) 2 NT (a3) 3 ♥
(a4) 3 NT (a5) 4 ♦ (a6) 4 NT (a7) 5♦
(b) Double; then, after (Pass) - 2 ♠ - (Pass) - ?
(b1) 2 NT (b2) 3 ♦ (b3) 3 ♥
(b4) 3 NT (b5) 4 ♦ (b6) 4NT
(c) 2 NT (d) 3 ♦

Problem H

Matchpoints
Neither side vulnerable
You, South, hold:

What is your opening lead?