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Detail specifications 117B - Level 1

2NT opening bid

To open 2NT you need:
  • 20-21HCP
  • and a balanced hand (no 5-card major, void or singleton)

This bid is non forcing: with a very weak hand your partner will pass.
Examples :
SWNE
2 SA
Ace Spades
Jack Spades
6 Spades
4 Spades
King Hearts
7 Hearts
4 Hearts
King Clubs
6 Clubs
Ace Diamonds
King Diamonds
Queen Diamonds
10 Diamonds
Problem 1811 With 20-21HCP and a balanced hand, a 2NT opening bid takes priority.
 
SWNE
1 Trefle
5 Spades
2 Spades
Ace Hearts
3 Hearts
Ace Clubs
King Clubs
Jack Clubs
10 Clubs
8 Clubs
Ace Diamonds
King Diamonds
Jack Diamonds
9 Diamonds
Problem E1820 Even though you have 20HCP, don't open 2NT but 1 The weak doubleton is too dangerous
 
 
The bidding after a 2NT opening.
The responses are the same as those used after a 1NT opening except that the points needed are less (between 3 and 5HCP).
In particular you can use the Stayman and Texas bid
Pass with fewer than 3 points.

Examples :
SWNE
2 SA Pass
Pass
Jack Spades
6 Spades
5 Spades
2 Spades
Jack Hearts
9 Hearts
7 Hearts
5 Hearts
Jack Clubs
7 Clubs
8 Diamonds
6 Diamonds
5 Diamonds
Problem E4811 - Pass: a much wiser option with these three insignificant points. Don't attach too much importance to lonely jacks.
 
SWNE
2 SA Pass
3 Trefle Pass
King Spades
10 Spades
7 Spades
4 Spades
9 Hearts
9 Clubs
7 Clubs
6 Clubs
5 Clubs
Jack Diamonds
7 Diamonds
5 Diamonds
3 Diamonds
Problem E4612 - With a king heading a 4-card major and a singleton, Stayman is the right bid, but not with any fewer points than this.