[mike777]

I understand there are a zillion defenses to multi but in general what does this mean or no general agreement? example pick up game on bbo?


(2d)=x?

[ahydra]

I think just general values.

ahydra

[Zelandakh]

It depends which country your partner comes from. In the Acol club it shows a weak NT or a strong hand. In other countries it is usually a takeout of one of the majors, but which one varies. In an established partnership it might be Multi over Multi, where the double shows hearts or spades or a strong hand.

[fromageGB]

The most common partnership agreement I know (from when I played multi) is a sound opening bid in an unspecified major, with partner's double of their eventually bid major as values with support for the other, but if there was no agreement I would assume double of 2♦! showed diamonds.

[helene_t]

without agreements I would assume something like 13-16 balancedish or 17+ and unsuitable for a jump or 2NT. Not sure what to do with a strong 2-suiter, maybe just pass and make a michael's next round, but that is dangerous if 2♦ is nonforcing.

[Zelandakh]

helene_t, on 2013-October-16, 05:16, said:

Not sure what to do with a strong 2-suiter

A common extension to Dixon is for 4m to show a big two-suiter with that minor plus an unspecified major, although there are other versions around. Dave Stevenson gives 4♣ = M+m and 4♦ = both majors. I have also seen the 2-suiters split up between the immediate 4m and a delayed action. I have an inkling that PK has something in this department but cannot remember for sure.

[mike777]

Thank you for comments. Again I pass and seem to be blamed.

[P_Marlowe]

#1 Doubling a conv. bid, usually implies the suit, so

(2D) - X ...

showes diamonds.

#2 If you end up in a pickup partnership, defending against
multi 2D, ask the opponenents, if you can shortly discuss methods,
if they agree, fine, if not, play the hand and move on.

With kind regards
Marlowe