NT responses

1m   -             1NT                : 06-11 HCP
1m   -             2NT                : 13-15, 18-19, 20-21 HCP; no four card major, no five card suit
1m   -             3NT                : 16-17 HCP; no four card major, no five card suit

NT responses after overcall

                      1M                  

1m                                      ?                   

                                            - 1NT              : 7-10 HCP with stopper, non-forcing
                                            - 2NT              : 11-12 HCP with stopper, non-forcing
                                            - 3NT              : 13-15 HCP with stopper, non-forcing

Raise opener’s minor

1m   -             2m                 : inverted

1m   -             3m                 : preemptive

1m   -             3M                 : shows singleton, five card fit with 10-11 HCP

1§    -             3¨                 : shows singleton, six card fit with 9-11 HCP

1¨  -             3§                  : shows singleton, six card fit with 9-11 HCP

OPENER’S REBIDS

NT rebids

1m   -             1M

  ?

- 1NT              : 12-14 HCP
- 2NT              : 18-19 HCP

- 3NT              : 17-19 HCP good long suit with stopper, short in partner’s suit

Support responder’s major

1§    -             1ª                 

 ?    

- 3¨    : shows singleton, (3-3-1-6) with three cards fit and 17+ HCP

- 3©    : shows singleton, (3-1-3-6) with three cards fit and 17+ HCP

- 4§    : four level jump with opening minor, shows good suit and four cards fit

- 4¨    : shows shortness with four cards fit

- 4©    : shows shortness with four cards fit

- 4ª    : four card support, approx. 19 HCP, balanced