1©, 1ª, - 2NT – jump to 4 of major = absolute worst hand (1 control)

1©- 2NT - 3§ = minimum hand, 3¨ asks,

3© = void (relay asks void)

3♠ = balanced with controls

3NT =♣ singleton, 4♣ = ♦ singleton 4♦ = ♠ singleton,

1© - 2NT - 3¨ = unbalanced with extras, 3© asks

3ª = void (relay asks void)

3NT = § singleton, 4§ = ¨ singleton 4♦ = ♠ singleton

1© - 2NT – 3© = 54xy playable in side 4 card suit relay asks suit

1© - 2NT – 3ª = 6322 or 7222 maximum

1© - 2NT – 3NT = 6322 or 7222 minimum

1© - 2NT - 4§ or 4¨ = 2 suiter shows 2 top honors in 2^nd suit

1ª- 2NT - 3§ = minimum hand, 3¨ asks,

3© = void (relay asks void)

3♠ = balanced with controls

3NT =♣ singleton, 4♣ = ♦ singleton 4♦ = ♥ singleton

1ª - 2NT - 3¨ = unbalanced with extras, 3© asks

3ª = void (relay asks void)

3NT = § singleton, 4§ = ¨ singleton 4♦ = © singleton

1ª - 2NT - 3© = 5422 playable in side 4 card suit relay asks suit

1ª - 2NT - 3ª= 6322 or 7222 maximum or 5332 17,18

1ª - 2NT – 3NT = 6322 or 7222 minimum

1ª - 2NT - 4§, 4©, 4¨ = 4§ or 4¨ = 2 suiter shows 2 top honors in 2^nd suit

Interference

Opponent overcalls below 3 of our suit

X = penalty

3 of our suit shows singleton in opp suit

3NT = high stopper in opp suit

Opponent overcalls above 3 of our suit

Pass = penalty type hand

Bidding shows offensive type holding in opp suit