Constructive Raise

As a minimum major suit raise shows roughly 5-9 HCP, some divide this range in 2 parts, with a minimum being 5-7 HCP or so, and a Constructive Raise being 7-9 HCP.  Normally part of systems employing a Forcing 1NT, the two types would be

1   -   2       -  Constructive type raise

1   -   1NT    -  Weaker minimum raise

2   -   2

Compiled by Lorne Russell 2005