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2NMIXFER.NTA
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1995-08-30
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MINOR SUIT TRANSFER BIDS
Jacoby transfer bids are extended as over a 1NT opening, with a 3S
response showing clubs and a 3NT response showing diamonds:
Opener Responder
2NT 3S - shows a club suit
3NT - shows a diamond suit
The responses are not like those used for minor suit transfers
after a 1NT opening. If opener has good support for the indicated
suit, he stays at the three level. This shows a holding like AKx,
AQx, AJx, KJx, or better. It tells partner that if he has nothing
but six cards to the jack or queen in the suit, or seven to the 10
(9?), it will probably be usable at notrump.
Let's start with the 3S response:
Opener Responder
2NT 3S - showing clubs
3NT - good club support (AQx, AJx, etc)
4C - poor club support
Responder could have: S-108 H-J76 D-95 C-Q87432. If opener has good
clubs, 3NT is probably a reasonable contract. If he has a double-
ton, this hand will make a terrible notrump dummy, and 4C is the
landing place.
If responder bids 4C over 3NT, perhaps with a 10-high suit, opener
must usually pass although he might bid 4NT with AK32 in the suit
(or 5C with four-card support and a ruffing value). To make a
forcing club bid, responder starts with 3C, then bids 4C.
If responder follows by bidding a suit other than clubs, he is
showing a second suit and slam ambitions. Such a bid is forcing
even if game has been reached:
Opener Responder
2NT 3S - club transfer
3NT 4C - sign-off
4D/4H/4S - second suit, forcing
If responder is not particularly interested in slam, he bids
Stayman with five or six clubs and a four-card major. With five
clubs and four diamonds he would not bypass 3NT without some slam
interest.
Diamonds are handled a little differently. Responder usually cannot
have slam potential, because opener can pass the 3NT transfer bid
if he has good support for diamonds.
Opener Responder
2NT 3NT - weak hand, long diamonds
Pass - good diamond support
4C - poor diamond support
4D - mediocre diamond support
"Good support" was defined above. "Mediocre" means any three cards
or a very strong doubleton--two of the top four honors. Responder
may be able to bid 5D when opener shows mediocre support.
If responder bids 4D after opener bids 4C, opener must pass. To
make a forcing diamond bid, responder starts with 3C, then bids 4D.