
, it is much harder to defend as a non-forcing 2
opening bid. Another possibility is to use 2
as this or something strong. Now 2
asks opener to bid his longer major.
The definition is:
: 4+
4+
, weak
: To play
/
: PreemptiveMore details can be found on this page in the Weak Two Archive.
If Ekren is included in a 2
or possibly 2
opening bid, the bid is forcing. In the case of 2
there is an extra response: 2
shows no preference for a major and asks opener to choose. This bid is forcing.