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2NTUHC.NTA
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1995-08-30
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UNBALANCED HEART CONVENTION
Responder uses UHC with five or more hearts and an unbalanced hand:
Opener Responder
2NT 3D
3H 3S - UHC
3NT - lacking adequate support for hearts
4C/4D - notrumper cue bid, heart support
4H - normal heart raise
Opener bids 4H to show support when neither minor holding is
suitable for a notrumper cue bid.
When opener rebids 3NT, responder may show a second suit or a six-
card heart suit:
Opener Responder
2NT 3D
3H 3S - UHC
3NT 4C/4D - second suit, 5-4 or 5-5
4H - six or more hearts
Showing a two-suited hand this way implies an unbalanced hand. With
a 5-4-2-2 hand and slam hopes, bid the four-card suit immediately
after opener's 3H bid. Opener will then be more inclined to sign
off in 4NT than he would be after a UHC sequence.
The 4H bid needs an explanation: Responder did not raise opener's
3H bid to 4H, which also shows six or more hearts, because that
would show a balanced hand (and a strong suit). In this case
responder has an unbalanced hand and some slam interest. The hearts
may be weakish or strong, no telling. With a balanced hand, slam
interest, and a weakish heart suit, he would have started with
Stayman. With no interest in slam he would have started with a
Texas transfer (4D).
Using UHC instead of just raising the 3H response with a six-card
suit gives opener a chance to make a notrumper cue bid in support
of hearts. A fit discovered in this way could lead to a good slam
that would otherwise be difficult or impossible to bid. With a
balanced hand you just raise 3H to 4H to try for slam, indicating
a need for good cards rather than fit.