5431 after 1NT
Occurs after opening a 1NT partner with a hand of 5431.
Responder bids 3M having singleton or void in major, exactly 3 cards in the OM, at least 44 in minors and 8+ HCP (if 1NT 15-17 HCP).
Examples:
W N E S
P 1N P
3♥*1 P 3N P
P P
*1 5431 after 1NT
W N E S
P 1N P
3♠*1 P 3N P
P P
*1 5431 after 1NT
Default setting is off.
R E F E R E N C E S