‘memory of my lovely dog Dobi’                   

Double of strong 1NT, shows one major and one minor or good hand with long major suit and 8½ tricks, double of weak 1NT is penalty.

           Pass    

X                                 ?

          1NT

                                            - 2§                : to play partners minor
                                            - 2¨               : asks for major
                                            - 2M               : natural, good six cards
                                            - 2N                : asks for minor, then if 3©is bid, invitation in majors

                                            - 3M               : game invitation with good long suit

           Pass    

X                                 2§    

?                  

           1NT

           Pass

- Pass            : shows clubs and a major, not very strong

- 2¨               : shows diamonds and a major, not very strong

- 2©                : shows very good hand with hearts and diamonds

- 2ª                : shows very good hand with spades and diamonds

- 2NT              : shows very good hand with hearts and clubs

- 3§                : shows very good hand with spades and clubs

           Pass    

X                                 2¨   

?                  

           1NT

           Pass

- 2©                : shows hearts and a minor, not very strong

- 2ª                : shows spades and a minor, not very strong

- 2NT              : shows very good hand with diamonds and a major

- 3§                : shows very good hand with clubs and a major

- Over 2NT, 3§ asks for the major; 3M is game forcing!

- Over 3§, 3¨ asks for the major; 3M is game forcing!

  After 3M, partner raises to game or return original minor with other major!

           Pass

           Pass    

X                                 2NT  asking for minor

3m                     ?

           1NT

           Pass

                                            - Pass            : to play

                                            - 3©                : game invitation with (4-4) majors

                                            - 3ª                : forcing to game with (4-4) majors

                                                                    (LHO bids 4ª or turns to original minor to transfer to hearts)

           Pass

           Pass    

X                                 2NT 

3m                     3©

 ?       

           1NT

           Pass

- Pass            : minimum with hearts

- 3ª                : minimum with spades

- 4©                : maximum with hearts

- 4m               : (turn to original minor) maximum with spades

           Pass

           Pass    

X                                 2¨    asking for major

2M                    2NT             invitational relay

           1NT

           Pass

If responder uses 2NT, after 2¨:

- with 5m/4M and minimum, bid original minor

- with 5m/4M and maximum, bid 3NT
- with 5M and minimum, rebid major
- with 5M and maximum, bid other major!

           Pass

           Pass    

X                                 2¨    asking major

2M                     3§              choice for minor

           1NT

           Pass

If responder redoubles:

           XX        

X                                 ?      

           1NT

                                            - Pass                                  : shows one long minor

                                            - Others          : played as in the system

           XX        

X                                 Pass                        

?                  

           1NT

           Pass

- 2§                : normal bid, to give the partner a chance to show his minor suit

- 2¨               : shows long good diamonds and void or singleton club

               if the suit is not very good, must bid 2§ with singleton