Responsive Double:
Situation:
In the fourth hand after your partner's take out double and an opening suit raising response.
Meaning:
Denies any 5-card, but offers two 4-suiters and >=8 hcp's.
Defensive Double:
Situation:
After preemptive openings.
Meaning:
Strong one suited hand, the superMAF convention
Competitive Double:
Situation:
Competitive bidding on 2/3-level
Meaning:
I guess they will go down. You too? Then leave it in. Else:
If you cannot make 2 or more tricks, take it out.
Do what I did:
Apply the Law of Total Tricks
D0p1-R0p1
Situation:
after each opponent's interference during Blackwood auction
Meaning:
"double" means 0 aces or kings
"redouble" also means 0 aces or kings.
"pass" always means 1 ace or 1 king
Support Redouble
Situation:
1. When your partner has made an overcall or
2. As an opener after you partners response
3. As a responder after a doubled opening bid
Meaning:
1. and 2. Shows support, non-forcing,
to weak for a limit raise
3. Long trump suit, 4+card, 8-9 hcp's
Sohl Double
Situation:
In the negative double position
after the bidding series: 1©, 1ª, ??
Meaning:
The double shows that you intended to call 1ª too.
So you have a 4-card ª and you expect a Sohl rebid
S.O.S.-Redouble:
Situation:
Partner's overcall in the second hand has been doubled
Meaning:
Any other suit is probably better,
so next turn choose another one.
1NT-Redouble:
Situation:
Partner opened 1NT, which was doubled by the opponents in the second hand
Meaning:
Please make a relay, I am weak and I hold a long suit.
We should to play a 2-level contract.
No application for the 1 « - Redouble
Double for Penalty:
Situation:
Usually when the opponents have reached the game
Meaning:
To penalize the opponents and so to obtain a better score
Commonly doubles on a lower level have some conventional meaning;
a double on 2/3-level is nearly always competitive
The bubble double and double of an opening bid of a strong balanced hand
may be turned into a penalty double.
Lightner Slam-Double:
Situation:
The opponents have reached a slam contract.
Meaning:
Partner please make a special lead for my void.
Bubble Double:
a MAF-fe invention
Situation:
After weak NT openings
and other openings that BUBBLE up out of empty hands, (like presision's 1¨).
Meaning:
At least one 4-card major and >=10 hcp's, no 5-cards.
Partner's pass makes the double "for penalty"
Support Redouble
Situation:
When partner's major suit response,
has been doubled.
Meaning:
shows a weak support,
so leave it in.
Lead Double
Situation:
Right after a conventional bid in a suit
e.g. after: Ghestem, Stayman, Jacoby transfers,
opponents Blackwood bidding, control bidding, etc.
Meaning:
Request to lead a small card of the suit called,
as soon as your partner is on turn.
Delayed Take Out Double
Situation:
When it is the your second turn,
the first time you passed,
and both opponents have called different suits.
Meaning:
your second turn double shows:
4+cards in the two remaining suits and 8-11 hcp's
Psychedelic Double
Situation:
The psychedelic double is multi-way:- a: In negative double position:
- after: 1§, 1¨, ??
- after: 1¨, 1©, ??
- b: Long past midnight, when the wind is howling, when the opponents have
open 1§ such and such times and not before taking (or tanking) 3 double glasses of straight bourbon.
Meaning:
- a:This "double" is in fact a "psychedelic PASS", which might mean a lot.
- b: This double is to keep the bidding " open " for opener
and give him a chance to bid a more clear contract
Meanings of DOUBLES and of REDOUBLES