over support double
one of the most fuzzy area in bidding. Even some
top bridge players might not have full
understanding and discussion in this
support double happens at two level and below. When
opener bids one suit, responder responds
another, a double over opponents' suit
bid is regarded as a support double.
p 1H 1S
double is support double, showing 3 hearts support.
subsequence is rather complicate. Here, I am just
giving a guideline of it.
opponents only bid one suit, a direct cuebid at two
level serves for multiple meanings: it's
be support in opener's suit or setting up trumps in
responder's suit or even a waiting bid, which
choice. After the cuebid, opener should always clearify
if he has a stopper in opps' suit. Without a
can bid his suit naturally to show extra length, or
bid his second suit or with no other choice,
bid responder's suit. A three level
cuebid sets up opener's own suit as trumps, and
start cuebid sequence:
p 1H 1S
HAxx Dxx CKQxxx,
should bid 2NT over 2S to show a club stopper. Then
Responder can clearify his hand type by bidding
clubs to set up clubs as trumps, or
three hearts to set up hearts as trumps,
or 3 spades as one round forcing and you are out of
bids: Sxxx HAKxx DAxx CQxx, you still don't know the direction
of your contract, you might belong to 5 clubs
if partner holds:
HQxx DKx CKJTxxx, so you make a 3 spade bid to explore this
possibility. 3D here should be natural and set
up hearts as trumps with slam interest.
HAxx DAxx CAxxxx, you have no choice, but to bid 3H which denies
6 card club suit or very good 5 club suit, and
also denies a spade stopper.
HAKx Dxxx CAKQJxx, you should bid 3S, which sets up clubs as
ask responder to cuebid. after a possible 4D cuebid, you can ask
HAxx DAQxx CKQJxx, you should bid 3D which shows your pattern and
extra value as well. Without extra value, you
should bid 3H.
opponents bid and raise a suit, you might not have that much room
to show your hand, a good/bad 2NT gadget should
be applied here. Here, we use 2NT to
start good hand part and direct 3 level bid is competitve.
a balanced hand, and at least invitational, we double to show it.
p 1H 1S
HAKxx Dxxx Cxxx,
partner can pass your double with a balanced hand.
HAKxxx DQxxx Cxx
3H, you should compet to three level with a pure hand and some
about the strength of constructive hands, about good 6 to normal
HAKxx Dxxx CJxxxx
3C, competitive. This is an easy bid.
HAKxxx DKxxx Cxx
2NT, then bid 3H which starts a invitational sequence.
HAxxx Dxx CAQxxx
3C, we have no enough room, if you bid 2NT, over a possible
3C relay, you have no easy rebid. So you have
to make a wide 3C raise which covers top
constructive range to low invitational.
HAKxxxx DAxxx CQx,
3D which is game forcing, set up hearts as trumps and slam
HAKxx Dx CAKxxxx
one is tough, your only option is to start from 2NT, then cuebid
3S to show a gameforcing hand with good club
support and denies spade stopper.
HAKxx Dxx CKxxxx,
from 2NT, over 3C, you can then bid 3NT to show a gameforcing hand
with good club support and spade stopper.
HAKxxxx Dxxx CAKx
3S, which sets up heart as trumps and some slam interest.
HAKxx DAKxx Cxxx
you have no much choice, but to double here.
opponents bid two suits, you have an extra cuebid available and
2NT. A cuebid of the lower rank suit shows support in the low
rank suit, a cuebid of the higher rank suit
show support in the higher rank suit.
1D 1S 2H
Hxx Dxx CAKxxx
3D shows club support and also denies a diamond stopper.
Hxx DAx CAQxxx
then 3D over 3C relay. This 3D shows club support, GF and
Hxx DAx CAxxx
this sets up spade as trumps and denies a heart control.
HAx Dxx CAxxx
then 3H over 3C, which sets up spades as trumps and shows
this brief introduction, I guess you'll feel much more
comfortable on the sequence over partner's
support double. Discuss it with your
regular partner and your partnership bidding will improve.