Two Notrump Opening
Two Notrump Opening = Balanced, 20 to 21 HCP
Example 2NT openers: ª
AKxxª
AJx© Qxx © KQJx ¨ Axx ¨ AK § AKx § Kxxx Responses to opening 2 NT are similar to those at the 1NT level -- Stayman or Jacoby Transfer or Pass or 3NT.
All distributional considerations about One Notrump apply to Two Notrump openings -- only the point count range is different.
(Also see Opening No Trump with 5 card Majors or 6 card Minors)