(4-5-0-4), 11-15 HCP

Responses

4§                  : transfer to 4©
4¨                : transfer to 4ª

4©                  : to play
4ª                 : to play
3NT                : to play
2©                  : to play, min two card heart
2ª                 : to play, min three card spade

3m                 : good six card and medium 10 HCP, non-forcing

                        If opener has three card fit and good hand, must raise,  

               with four card fit make four level cue-bid, with shortness Pass,

               and can bid 3NT with (4-5-2-2) maximum with honor at both minor

3M                 : Slam try in this major.

                        Opener:  

                        - with (4-5-2-2), bid 4M if minimum and bid other major with maximum

                        - with (4-5-3-1) or (4-5-1-3), shows shortness four level with maximum and

                          bid 3 NT with minimum. Over 3NT, responder can ask singleton with 4§

    (Romex Responses)

2NT                : Asking bid with invitational hand or strong hand with long minor

2¨   -             2NT
?

- 3©                : minimum with (4-5-2-2)
- 3ª                : minimum with (4-5-2-2)
- 3m               : three card or four card minor with bad hand
- 4m               : four card minor with good hand

2¨   -             2NT
3X    -             ?

                      - 3M               : invitation or to play after 3© response
                      - 3NT              : to play
                      - 4M               : to play
                      - 4m               : RKCB for this minor

2¨   -             2NT
4m   -             ?

- 4NT                                    : to play
- 4M                                     : to play
- Other minor   : RKCB for opener’s minor

If you play Flannery, 1ª response to 1© shows five cards,

And after 1© opening, 2ª rebid is reverse