:''This article describes the
bridge
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...
convention.''
Mohan is a
bridge
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...
convention
Convention may refer to:
* Convention (norm), a custom or tradition, a standard of presentation or conduct
** Treaty, an agreement in international law
* Convention (meeting), meeting of a (usually large) group of individuals and/or companies in a ...
used to intervene over opponents' 1NT opening. Typically it only applies if the opponents' are using a weak 1NT opening (where 15 points or less is the maximum). Its invention is usually attributed to
John Mohan.
Over 1NT:
* Double shows 14+ points, and is often left in for penalty. If it is not, the advancer (partner of doubler) bids as though his partner had opened 1NT. (
Stayman and
Jacoby transfers apply, for example).
*2 shows both majors, possibly 5-4. If responder does not have a preference, he bids 2 to let opener pick.
*2 is a transfer to hearts,
*2 is a transfer to spades,
*2 shows spades and a minor,
*2NT shows hearts and a minor,
*3 of a minor shows a long minor and is constructive,
*3 of a major is pre-emptive.
See also
*
List of defenses to 1NT This is a list of defensive conventions used in the game of contract bridge to compete in the bidding after the opponents have opened with a one notrump (1NT) bid.
* ANTI
* Aspro
* Asptro, a hybrid of Astro and Aspro
* Astro, Modified Astro, P ...
External links
BridgeGuys
Bridge conventions
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