Viking Club

In this system, the otherwise strong 1 opening is protected by an extremely weak balanced hand. 1 is a vague opening, but this is compensated by having 2 free as a weak bid. Also the Precision 2 is thrown out and replaced by a more annoying opening bid with the same frequency.
1 17+ HCP (18 if balanced), or 9 - 11 balanced
1 12 - 14 balanced, or 11 - 16 unbalanced, no 5/, not both minors
1 9 - 16 HCP, 5+
1 9 - 16 HCP, 5+
1NT 15 - 17 balanced
2 11 - 16 HCP, 5-4 or longer in the minors
2 Ekren 6 - 10 HCP, 4+ + 4+
2 Weak Two in
2 Weak Two in
2NT 22 - 23 balanced
1