;

                                   RESPONSES TO 2§ OPENING, Based on Kokish System

 

Strong, artificial and game-forcing except if rebidding 2NT after 2¨ response

 

 

RESPONSES:

 

            2¨*      : zero or one control

            2©*      : two controls

            2ª*      : three or more controls

            2NT*     : any AKQ1073, AKJ1064, AQJ1052, KQJ1086 or longer

            3X*       : transfer to next higher suit: AKJ865, AQJ973, KQJ872 or longer

            3NT*     : solid six card or longer suit

            4X        : broken eight card suit

 

Where an ace is two controls; a king is one.

 

 

RELATED SEQUENCES:

 

2§   -    2¨*

 ?

 

2©*      : hearts, second suit possible, or balanced game force, unrelated to hearts

2ª        : natural, game-forcing, nine plus tricks

2NT      : 23-24 HCP, semi-balanced

3m       : natural, ten plus tricks

3M       : four major and five or more diamond, game force

4§        : 5=4=0=4, game force, responder’s 4¨: ”unbiddable” extras for M; 4NT same for clubs

4¨       : 5=4=4=0, game force, responder’s 5§: ”unbiddable” extras for M; 4NT same for diamonds

4M       : signoff, too many controls missing, responder may bid with side void

 

 

2§    -   2¨*

2©* -   ?                     

                       

            2ª        : relay

            2NT*     : six spades

            3§        : six clubs

            3¨*      : six diamonds and three hearts

            3©*      : six spades and three hearts

            3ª*      : six clubs and three hearts

 

All show a long suit headed by the king or queen-jack; else go via “normal” 2ª

 

 

2§    -   2¨*

2©* -   2ª       

 ?

 

2NT      : balanced

3§        : one-suited heart two-bid inappropriate for jump to 3NT

3¨       : hearts and diamonds

3©        : hearts and secondary spades

3ª        : hearts and clubs

3NT      : hearts, no slam, nine tricks

4X        : hearts and void (AK5, AKQJ742, KQ10, ---), looking for help in side suits

 

 


2§   -    2¨*

2ª   -    ?

 

            3NT*     : any splinter for spades; 4§ asks (Romex Responses)

            4X*       : fit jump, Q10752 or better, with at least Hxx of spades

 

2§   -    2¨*

3§   -    ?

 

            3¨*                  : artificial, opener may introduce four-card major, play notrump from right side,

            jump-shift*        : splinter raise of minor, might be only three trumps as 3§ is very strong

 

2§   -    2¨*

3¨   -   ?

 

            3©                   : natural (opener does not have a four hearts and six diamonds hand

            jump-shift*        : splinter raise of minor, might be only three trumps as 3§ is very strong

 

 

2§   -    2M*

2NT                  Wide variety of balanced and quasi-balanced hands, allowing implementation of "2NT"

                        structure. If opener later asks for controls, first step is zero after 2¨ response,

                        three after 2ª response, but over specific 2© (two controls), responder shows queens  

                        by number 0/1/2

 

2§   -    2ª*

3©   -    4©        F1; three plus controls and a fit for slam zone

 

After 2§ - 3X : “take” by opener, new suit by responder is shortness, else 3NT or self-raise

 

 

IN COMPETITION

                         

            2X       

2§                   ?

 

                        - X        : weak penalty

                        - 2NT    : natural, positive

                        - Suits  : six card, semi-positive

 

 

           2X        

2§                    Pass     

?                  

           Pass

           

- X                                : balance cooperative takeout

- 2NT                            : FG

- Cue-bid                      : two suit

- jump 4M (theirs)          : natural

 

           Pass   

2§                    2¨        

?                  

           (2x/3x)

 

- X        : takeout

- Pass  : penalty double or a balanced hand not suitable for a notrump bid or takeout

              Double; reopening double by weak hand: takeout, others natural

            Pass

2§                    2M        

?                  

           any

 

- X        : Penalty

                                     

                         X

 2§                  ?

              

                        - XX                              : three or more controls 

                        - 2 X                             : natural, six or more cards, Q107642 or better

                        - 2NT and higher            : as without interference