With the publication of Sixpack, six keycard RKCB has come of age!As soon you identify a double fit, don't ask for keycards - just "launch" and tell. In most cases, you can find out about keycards - all six - below the game level. Part I of the book lays out a set of basic rules for any casual partnership to apply quickly and easily. Part II gets more advanced and complex, but operates along the same principles. Apply Sixpack throughout your notrump structure and expand it to a wide range of standard bidding situations. With many examples and four extensive quizzes for partners to practice the convention together, Sixpack gives the reader the experience and confidence to use the convention effectively at the table.