[dickiegera]

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I know 1♦-P-1♥-P-2NT shows extra values

Does 1♦-P-1♥-2♠ -2NT show extra values?


Thank You

[PhilKing]

Bidding here with a weak hand is simply a rookie error. The standard meaning is that it shows 18-19 balanced (other agreements are available).

With a weak hand it is normal just to pass.

[biggerclub]

This auction almost doesn't exist for me. Partner is supposed to reopen almost anything that could respond when 2S comes around. So if I want to bid 2N to show 18-19, I really want to pass so P can x. If she bids something else, I can always bid 3N.

I would only bid on over 2S to show a H fit, or to show something really imbalanced, so 2N is out.

If my partner bids it, we have a little discussion on trusting me and partnership bidding theory after the hand.

[whereagles]

The bid shows 18-19 balanced, but keep in mind that many people (quite naturally) think that "min NT bids show min NT hands".

It takes a bit of experience/studying to understand that here min NT hand = PASS.

[P_Marlowe]

yes, why does 2NT in the first seq. promises add. strenght?
2NT forces the partnership to play on the 3 level.

Does this reason become invalid, when they intervene?
Just because they make a weak bid, does this make our hand
stronger?

In general, I would suggest playing 2NT in the 2nd seq. as art.
Lebensohl style, since the intervention killed space, and to get
some space back, you need art.

With kind regards
Marlowe

[gszes]

All system choices have holes (main reason preeepmts
work) so each partnership must choose how to gain the most
(imps) or gain the most often (mp) from each situation.

The standard interpretation (in both sequences) of 2n
(over 2s) showing extra values (and a spade stop(s)) tries
to cover the most likely probabilities in conjunction with
x showing extra values but no clear direction. This series
cannot show partner the difference between a 3 or 4 card
heart hand unless it is by never raising with 3 card support
A AKx Kxxxx Axxx would have to pass or bid 2n for ex.

If you use support x you have no bid available to show
hands similar to xxx KQ KJxxx AKQ (opening 1n with such
hands to avoid these rebid problems will lose out on a
variety of other hands). These partnerships either have to
expand the meaning of 2n to include hands with no spade stop
or pass (or make a really ugly looking 3d bid).

Most stick with the standard version since showing 3 card
heart support in general is not always a bargain much less
when forcing the partnership to the 3 level. The sequences
are aimed at showing different types of hands and each partner-
ship needs to decide what makes them the happiest overall.