SUPER precision BG

SLAM

4NT=Blackwood after

2/3§ open or 3§ resp.

5§=0/1 aces

5¨=2 aces,No short

5©=2 aces,0-1©

5ª=2 aces,0-1ª

5NT=2 aces,0-1¨

DBL

Pass=0/3

RDBL=1/4

5§=2

5¨=2 + K-trump

Overcall

Pass=0

DBL=1

1^st step=2

2^nd step=3