M J Bridge

Bidding

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Theory and Conventions

Hand

A3

Context

S & S.C.B.A - league 2008

Dealer

East

Methods

Transfers, two-tier transfer responses, direct raises, non-promissory Stayman, Asptro, Landy, Cappelletti

Vulnerability

EW



Opening 1NT, simple four-suit transfers

In general I prefer to pass my partner’s opening 1NT rather than make a transfer into a minor on a weak hand and a six-card suit.

If West chooses to transfer into diamonds and then pass, as shown, it will promise at least a six-card suit.

W

N

E

S



1NT

-

3

-

3

-

-

-



W

N

E

S



1NT

-

2NT

-

3

-

3

-

-

-

Opening 1NT, two tier transfer responses

2NT by West promises a diamond holding.  On this occasion he was considering a rebid of 3NT if he received any encouragement.

3 by East denies as much as Qxx in diamonds and so West signs off in the diamond part-score.


N

Q J T 7 3

K 8 7 5 3

6

J T


S

9 5 2

Q T 9

K T 4 2

A Q 3


W

K 6

6 2

A Q J 8 7 3

8 6 5


E

A 8 4

A J 4

9 5

K 9 7 4 2

W

N

E

S



1NT

-

3NT

-

-

-





Opening 1NT, direct game-raise

A direct leap to 3NT on this West hand will be popular, particularly in a teams context.

Opening 1NT, non-promissory Stayman, limit raise

A good strategy for West is to suppress the minor suit and make an invitational raise based on his six-card suit and ten points.  His Stayman sequence promises an invitational holding whilst saying nothing about his major suit holdings.  Alternatively many partnerships will be able to make a simple direct invitational raise to 2NT.

In either case, East will pass with his minimum hand.

W

N

E

S



1NT

-

2

-

2

-

2NT

-

-

-

Opening 1NT, Landy, Asptro, Cappelletti

Some West’s might count their ten points and pass.

If so North should compete with whatever convention he has to show his two-suited holding.  South will make the step response of 2 and North will show his five-card heart suit.

West now has a further opportunity to show his diamonds, which he should take.

W

N

E

S



1NT

-

-

2

-

2

-

2

-

-

What happens?


If left to play in a no trump contract EW will usually make eight tricks losing three spades, one diamond and one heart.

A diamond contract is also likely to make eight tricks.

Meanwhile NS can make eight or nine tricks in a major.


On the day, a raise to 2NT by West is easily the most effective bid, although this does not mean that a shot at 3NT is wrong in a teams context.

Pass by West is easily the least effective choice, leading either to a loss or a good competitive offering from NS.


The non-Promissory Stayman route by West invites competition from North - whether or not North should enter the fray following a direct raise to 2NT is more problematical.

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Intermediate and above

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Intermediate and above

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