Meckwell 2003

Blackwood

¤5§=0/4

¤5¨=1/5

¤5©=2

¤5ª=3

¤6§=0

¤6¨=1

¤6©=2

¤6ª=3

¤6NT=4

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