2 ♣ Stayman is a conventional bid used by responder to 1NT opening bid.
It requires at least 8HCP and 1 or 2 4 card major . The responder may also have 5-4 in the Majors (or even 6-4)
Learn how to also use it when you simultaneously have :
- a 5 card Major
- une force de 7-8H
- an irregular distribution
If your hand meets these three criteria,
Do not use Transfer bids. as you may not be able to propose a good game contract after the transfer rectification ... whreas if you use the Stayman..no Problem !