Using The Convention
After opener's one of a suit (X), partner's one of a suit response (Y) and opener's 1NT rebid (a very common sequence), 2♣ from opener's partner forces 2♦ from opener. Holding a weak hand with diamonds, one can now pass. Other bids are invitational, describing also the nature of the hand. A 2♦ response to 1NT, however, is game forcing with any hand. Responder may also jump to 3 of any suit (except 3♣, which is signoff) to show a slammish hand with good suit(s).
Read more about this topic: XY Notrump Convention
Famous quotes containing the word convention:
“No convention gets to be a convention at all except by grace of a lot of clever and powerful people first inventing it, and then imposing it on others. You can be pretty sure, if you are strictly conventional, that you are following genius—a long way off. And unless you are a genius yourself, that is a good thing to do.”
—Katharine Fullerton Gerould (1879–1944)