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 2nd 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 2nd 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