A bid in the suit partner has just bid at more than a minimum level eg 1♠-Pass-3♠ or 1♦-Pass-1♥-Pass-3♥. A jump raise normally shows primary support and more playing strength than a single raise. Example hands for the above sequences are:

BMB turns 6 this June. To celebrate we’re running an anniversary members’ prize draw with a chance to win lots of goodies!
Click here to enter the 6th Anniversary Prize Draw
A bid in the suit partner has just bid at more than a minimum level eg 1♠-Pass-3♠ or 1♦-Pass-1♥-Pass-3♥. A jump raise normally shows primary support and more playing strength than a single raise. Example hands for the above sequences are:
