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Detail specifications 114A - Level 1 ★

1NT opening bid

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1NT opening bid : without a 5 card major but
  • with a 15-17HCP strength
  • and a balanced hand
systematically open 1NT (both conditions must be fulfilled)
Reminder: there is neither a void nor a singleton in a balanced hand
SWNE
1NT
J
4
2
A
J
7
4
K
10
A
Q
9
6
Problem E1846 1NT With this balanced hand of 15HCP South must open 1NT.
 
SWNE
1
K
J
5
2
A
J
6
4
K
Q
J
3
7
Problem E1774 1 ♣ with a singleton, this distribution 4441 is unbalanced so you can't open 1NT. With only 4 ♥ and 4 ♠ it's impossible to make an opening bid in of these suits. All that's left is 1 ♣ ...
 
 
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