M J Bridge

Bidding

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Hands

Theory and Conventions

Hand

A16

Context

S. & S.C.B.A. mixed pairs - June 2008

Dealer

East

Methods

Natural overcall, Asptro, transfer overcall.

Vulnerability

Neither




N

A K 4 3

K J 5 3

5

T 8 6 4


S

T 7 5 2

6

A K J 8 7 2

J 7


W

J

Q 9 8 7

T 9 6 4

A 9 5 3


E

Q 9 8 6

A T 4 2

Q 3

K Q 2

Opening 1NT, natural overcall

Playing natural overcalls few Souths will be able to resist the quality of that diamond suit.

North may or may not look for more depending on the partnership overcalling style, and for most partnerships that will end the auction.

W

N

E

S



1NT

2

-

2NT

-

-

-




Evaluation


Note that South does not have a bid available if playing Landy or Cappelletti.


If South passes initially and leads out his diamonds from the top then East will be thankful that he can stop the suit with West’s ten. Even so he will be pleased if he manages to make his contract.  The play of the hearts might well be critical.

If NS find themselves playing in spades then with the unfriendly trump split and the diamonds failing to run he might make as few as 6 tricks on a bad day.  However, even 4 is not a terrible contract on two seven-loser hands.  Interchange the 6 and the 6 between the EW hands and he should certainly make 9 tricks - possibly more if the defence fails to cash its top cards.

Meanwhile South can make at least seven tricks in diamonds, and North will have to make the most of his spade entry if he is to get past 6 tricks in no trumps.


The winner on the day will usually be a diamond contract on the NS cards, but I can’t help but feel that a spade contract will prove better more often than not.

Intermediate and above

Opening 1NT, transfer overcalls

South’s 2 promises either five diamonds or four diamonds in at least a 5-4 shape.

North will complete the transfer, just a little reluctantly.

Most auctions will finish at this point, but a few partnerships will double for take-out on the East hand to locate the excellent 2 contract.

W

N

E

S



1NT

2

-

2

-

-

-

-



Beginner and above

Opening 1NT, Asptro

Playing Asptro 2 by South promises at least four spades and another five-card suit.

South can hardly do less than bid 3, and it would not be unreasonable to try for 4.  The choice should depend primarily on the overcalling style of the partnership.

W

N

E

S



1NT

2

-

3

-

-

-




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