# Mohan convention

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**Mohan** is a [bridge](/source/Contract_bridge) [convention](/source/Convention_(bridge)) 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](/source/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](/source/Stayman_convention) and [Jacoby transfers](/source/Jacoby_transfer) 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](/source/List_of_defenses_to_1NT)

## External links

- [BridgeGuys](http://www.bridgeguys.com/Conventions/MohanDefenseNT.html)

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Adapted from the Wikipedia article [Mohan convention](https://en.wikipedia.org/wiki/Mohan_convention) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mohan_convention?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.