5 NT                                     : (0-2-4) key cards and a void

6 of a suit        : below trump, shows void and (1-3) key cards

6 of trump       : void over trump and (1-3) key cards

Asking for the queen of trumps

Over 5§ or 5¨, first step bid, aside from the trump, asks for the queen of trumps

FOR MAJORS

Asking for the queen under fifth level of trumps

Rules

* First step shows no queen (Romex Responses)

* 2^nd step shows the queen and the lowest king or two others

* 3^rd step shows the queen and the in between king or two others

* 4^th step shows the queen and the higher king or two others

* If responder has a queen and not the outside king, he must turn to trump at 6^th level

1ª  -             2©

3©  -             4NT

5§    -             5¨*                asking for the trump queen    

 ?

- 5©                : no queen

- 5ª                : the trump queen and the club king or other two kings

- 5NT              : the trump queen and the diamond king or other two kings

- 6§                : the trump queen and the spade king or other two kings

- 6©                : the trump queen and no king

1¨  -             1ª

4ª  -             4NT

5§    -             5¨*                asking for the trump queen

 ?

- 5©                : no queen

- 5ª                : the trump queen and the club king or other two kings

- 5NT              : the trump queen and the diamond king or other two kings

- 6§                : the trump queen and the heart king or other two kings 

Asking for the queen over the fifth level of trumps

Rules

* First step shows no queen or only the queen (Romex Responses)

* 2^nd step shows the queen and the lowest king or two others

* 3^rd step shows the queen and the in between king or two others

* 4^th step shows the queen and the higher king or two others

1ª  -             2©

3©  -             4NT

5¨  -             5ª*

 ?

- 5NT              : no queen or only the queen, now 6§ asks for the queen for grand slam

- 6§                : the queen and the club king or two others

- 6¨               : the queen and the diamond king or two others

- 6©                : the queen, the spade king or two others

Asking for kings

After RKCB, 5 NT asks for kings and grand slam force

Rules

* If trump is spade

  - Suit bid at 6^th level shows the king or two others,

  - Return 6ª shows no king

  - Return 7^th level of trump shows, very good long side suit

* If trump is heart

  - 6§ shows no king or club king or two others; now 6¨ asks for the king for 7©

  - 6¨ shows diamond king or two others

  - 6© shows spade king or two others

1§    -             1©

2©  -             4NT

5¨  -             5NT*

 ?

- 6§                : no king or the club king or two others

- 6¨               : the diamond king or two others

- 6©                : the spade king or two others

Asking 3^rd round controls

After RKCB, suit bid at 6^th level is asking for 3^rd round control in this suit

Rules

* If responder has not 3^rd round control in this suit return trump at 6^th level

* If responder has queen or four trumps and doubleton in this suit bid grand slam

2§    -             2¨

2ª  -             3ª

4NT  -             5¨                  

6¨                 asking for 3^rd round control in diamonds

                      - 6ª                : no 3^rd round control in diamonds

                      - 7ª                : have 3^rd round control in diamonds

Transfer to 5NT

After RKCB, if spade isn’t trump or 5ª bid is not asking for the trump queen, 5ª is transfer to 5NT,

1¨  -             1ª

2ª  -             4NT                                     

5¨  -             5ª                  to play

1¨  -             1©

4©  -             4NT                                     

5¨  -             5ª                  asks for the trump queen

Rules

* After 5NT transfers,

  - new suit asks for good support in this suit, if responder has KQX or four trumps and KX in this suit,     

    he should bid grand slam   

  - if trump is heart, return to 6© asks for 3^rd round control in spades for grand slam. This bid may 

    ask for extra length or jack of trumps for grand slam, if we know pd has not length in spades.

  - if trump is spade, return to 6ª asks for extra length or jack of trumps for grand slam

1¨  -             1©

4©  -             4NT                                     

5©   -             5ª                  transfer to 5NT

5NT  -             6§                  asking good support in clubs

FOR MINORS

Asking queen of trumps, interest in grand slam

Rules

* First step shows no queen or only the queen (Romex Responses)

* 2^nd step shows the queen and the lowest king or two others

* 3^rd step shows the queen and the in between king or two others

* 4^th step shows the queen and the higher king or two others

* Grand slam bid shows the queen and a solid side suit

1ª  -             2¨

3¨  -             4NT

5§    -             5©*                asking for the trump queen

 ?

- 5ª                : no queen or only the queen, now 5NT asks for the queen for grand slam

- 5NT              : the queen and the club king or two others

- 6§                : the queen and the heart king or two others

- 6¨               : the queen and the spade king or two others  

1©  -             2§

3§    -             4NT

5¨  -             5©*                asking for the trump queen

 ?

- 5ª                : no queen or only the queen, now 5NT asks for the queen for grand slam

- 5NT              : the queen and the diamond king or two others

- 6§                : the queen and the heart king or two others

- 6¨               : the queen and the spade king or two others 

Transfer to 5NT

* After RKCB, 5ª is transfer to 5NT

1©  -             2§

3§    -             4NT

5¨  -             5ª*               

5NT  -             ?

Rules

* After 5NT transfers,

  - Pass, to play with missing two key cards

  - if club is trump, return to trump asks for extra in known side suit, for grand slam

  - if diamond is trump, return to 6§ asks for extra in known side suit or return to 6¨ asks for extra in  

    trump, for grand slam

Special RKCB for minors

Rules

* Jump support in minor suit from two to four is RKCB, no after reverse

* After three level support jump with higher suit to fourth level is RKCB

* If responder rebids his minor at three level:

  - opener jumping with 3^rd suit to four level is splinter

  - opener jumping with 4^th suit to four level is RKCB

  - all jumps by the opener who rebid 2NT is RKCB

* If opener rebids his minor at three level, responder’s 3^rd suit jumps to four level is splinter

* If opener rebids new minor at three level, responders 4^th suit jump to four level is RKCB for this minor

* If opener rebids new minor at three level, responder’s four level jump with own major shows solid suit

1¨  -             1ª

2§    -             4§                  RKCB for club

1¨  -             1ª

2§    -             4¨                 RKCB for diamond

1ª  -             2¨

3¨  -             4©                  RKCB for diamond

1ª  -             2§

2ª  -             2NT               

3§    -             4¨                 RKCB for club

1ª  -             2§

2ª  -             3§

4©                                       splinter

1©  -             2§

2©  -             3§

4¨                                       splinter

1ª  -             2§

2¨  -             3§                 

4©                                       RKCB for club

1ª  -             2¨

3§    -             3¨                

4©                                       RKCB for diamond

1©  -             2§

2NT  -             3§

4¨                                       RKCB for club

1¨  -             1ª

2©   -             4¨                 diamond support with 5-7 HCP and (5-5) distribution 

1©  -             2§

2©   -             3§

4¨                                       splinter  

1©  -               2¨

2ª  -               3¨

4©                                        RKCB for diamond, 3© is natural and forcing

1¨  -             1ª

3¨  -             4©                  splinter

1§    -             1ª

3§    -             4¨                 splinter

1©  -             2¨

3§    -             4©                  RKCB for club, 3©is natural and forcing

1©  -             1ª

3§    -             4©                  heart support approx 10 HCP, with two cover cards

1ª  -             2¨

2ª  -             2NT

3§    -             4©                  RKCB for club

1¨  -             1ª

2¨  -             2©

3¨  -             4©                  RKCB for diamond, 3©is natural and forcing

1©  -             1ª

3¨  -             4ª                  shows solid suit

1ª  -             2©

3¨  -             4©                  shows solid suit

If opponents bid over RKCB

* Over Double use Ropi

Redouble        : (0-3) key cards

Pass                                    : (1-4) key cards

* Over 5 level overcall use Dopi                   

Double                                  : (0-3) key cards

Pass                                    : (1-4) key cards

* Over 6 or 7 level overcall use Depo

Double                                  : (0-2-4) key cards

Pass                                    : (1-3-5) key cards