DONT -
A defensive bidding system against opponents 1 Notrump opening bid, whose acronym
is Disturbing Opener's Notrump opening bid (occasionally call Bergen Over
Notrump):
Bid |
Meaning |
Double |
One suited hand; partner
normally "puppets" by bidding 2C. Overcaller then bids their suit
or passes if Clubs was the long suit. |
2C |
Clubs & higher Suit |
2D |
Diamonds & higher Suit |
2H |
Hearts & Spades |
2S |
Spades, weaker than
double followed by 2S |
2N |
Clubs and Diamonds |
|
|
|
|
|
(1 Notrump)
|
|
Q 9 8
A J 10 9 6 4 3
2
5 4 |
|
(1N) - X
Double shows a one-suited hand; if West passes, North normally
bids 2C and South shows the long suit - Hearts. The overcaller's 2
level bid is a signoff bid; however, with extra values, North may raise
South to invite game.
|
|
|
|
|
(1 Notrump)
|
|
A K J 9 2
A J 6 4 3
2
5 4 |
|
(1N) - 2H
2H shows a two-suited hand, Hearts and Spades.
|
|
|
|
|
(1 Notrump)
|
|
A K J 9 8 7 2
2
3 2
5 4 |
|
(1N) - 2S
2S shows a weak hand with a long Spade holding - with a stronger
hand, South might first double and later bid 2S. |