Hello is a bridge convention used for intervention over an opponent's 1NT opening. It allows for all one- and two-suited hands to be shown, and - for one suited hands - retains the ability to transfer.
Contents
History
The name of the convention is derived from the names two of its inventors, Jerry Helms and Bill Lohmann. Jerry Helms had previously co-developed the Cappelletti convention and saw this as an improvement to that convention. Helms considered that using 2♣ to show a major used up no bidding space and therefore lost the preemptive value typically attached to bidding major suits.
Description
It features the following calls:
By design, in many cases, the advancer will become declarer, thus placing the strong 1NT hand on opening lead.
References
Hello convention Wikipedia(Text) CC BY-SA