You have read all of the lesson carefully in Part 1. Start again – you have not retained everything! Are you there now? Test your knowledge now by answering an eight-question quiz.
Fourth suit forcing falls under the heading of what teachers call “Responder’s rebid”. It is a conventional bidding agreement which is only used in the absence of a satisfactory natural bid. Yet unlike many other conventions, it is a must-have. Here is a summary of it which is both simple and comprehensive, to be read and reread.