Teacher's Manual

Discovering bidding: the 1NT opening bid

Session 4.2 : Responder invitation- Opener reaction


Session program


  • The 2NT rebid, invitation to game
  • The 4NT rebid, invitation to slam
  • Opener reaction

This session may seem rather difficult: it aims at showing the pupils that it is not always the responder who decides on the final contract but that a dialogue should be established between the opener and the responder. No need to wait for this notion to be fully understood before going on.

Remind the pupils of important levels and useless levels

Have the children again observe the scoring table in No Trumps and remind them of the important levels:
1NT, 3NT (game), 6NT (small slam) and 7NT (grand slam).
The other levels don’t allow scoring anything more: 2NT, 4NT and 5NT are called the "useless levels". They will be used to invite the partner to playing a "useful" contract.


Game invitational bid

Place, one after the other, the following hands on the table for a rebid after a 1NT opening as a reminder of the previous session insisting again on the reference to the Decision Table.

1
2
3
4
  A 9 6 4
  K 6 5
  Q 7 6 5
  6 3
  J 6 3
  A 5 4 3
  9 7 2
  10 8 4
  K J 4
  A 8 4
  Q J 5
  9 6 4 3
  Q 2
  J 9 3
  K 10 5 2
  Q 7 5 4
3NT
Pass
3NT
?







Hand Nr. 4 with its 8 points may represent a problem for them as the side’s strength might be 24, 25 or 26 points. What will they suggest?
Pass is too pessimistic if the opener has 17 or 18 points.
3NT is too optimistic if the opener has 16 points.
Suggest to them to use the useless level of 2NT to say "Partner, I have 8 points and I let you decide on the final contract".
With 16 points, the opener should pass.
With 17 or 18 points, the opener should bid 3NT


The 2NT rebid is a game invitational

The small smal invitation bid


Place, one after the other, the following hands on the table for a rebid after a 1NT opening

5
6
7
  A Q 3
  J 6 3
  A Q 3
  A 8 6 4
  A 8 4
  Q 7 3
  A 9 8
  K J 9 5
  K J 5
  A Q 4
  Q J 3 2
  K 8 7
6NT
3NT
3NT







Hand Nr. 7 has 16 points and might be a problem for them, the side’s strength being 32, 33 or 34 points.
The 3NT bid is too pessimistic if the opener has 17 or 18 points (16 + 17 = 33).
The 6NT bid is too optimistic if the opener has only 16 points (16 + 16 = 32).

Suggest to them to use the useless level of 4NT.


With 16 points, the opener passes.
With 17 or 18 points, the opener bids the small slam at 6NT.

The 4NT rebid is a small slam invitational bid.

If your pupils are gifted or curious enough, you can mention the invitation to the grand slam, with the 5NT useless level with a 20 points hand such as:

  K Q 6
  A J 2
  A Q J 5
  K 4 2

In this case, the opener can absolutely not pass and should bid 6NT with 16 points and 7NT with 17 or 18 points



Session first hand (4.2.1)

Establishing honors

Hand 4.2.1     Dealer North

 
  K J 4
  10 5
  9 6 4 3
  A 9 6 3
 
  A 8
  K J 8 6 4
  Q 10 7 5
  7 2
 
N
  9 7 5 2
  A 7
  J 8 2
  J 10 8 5
W
 
E
 
S
 
  Q 10 6 3
  Q 9 3 2
  A K
  K Q 4
 

South
West
North
East
I pass
I pass
1NT
2NT
I pass

 

Lead: 4
Bidding: 2NT, game invitational, opener decision
Card play: establishing honors
Score: 2NT =: 120 NS



Session second hand (4.2.2)

Establishing a long suit.

Hand 4.2.2     Dealer East

 
  A J 5
  A 10 7
  K 7
  A 8 7 5 4
 
  10 7 3
  5 4 2
  Q J 10 8
  Q 10 3
 
N
  9 8 4 2
  J 9 6 3
  6 3 2
  J 9
W
 
E
 
S
 
  K Q 6
  K Q 8
  A 9 5 4
  K 6 2
 

South
West
North
East
 
I pass
1NT
4NT
6NT
I pass

 

Lead: Q
Bidding: 4NT invitational to small slam
Card play: establishing a long suit
Score: 6NT =: 990 NS



Session third hand (4.2.3)

Managing communication

Hand 4.2.3     Dealer South

 
  8 5 3
  A Q 10
  A Q 5 2
  A 5 4
 
  J 10 9 2
  7 4 3
  8 7 6 4
  10 9
 
N
  K 7 4
  9 6 5
  J 10 3
  Q J 8 2
W
 
E
 
S
 
 
  A Q 6
  K J 8 2
  K 9
  K 7 6 3
 

South
West
North
East
1NT
4NT
I pass

 

Lead: J
Bidding: 4NT invitational to small slam, opener decision
Card play: play the cards in the right order
Score: 4NT +1: 460 NS.
(or +2, discards being rather difficult)



Session fourth hand (4.2.4)

Defence play: play the short hand honor.

Hand 4.2.4     Dealer West

 
  8 4 3
  Q 10 5
  K 5 2
  K 7 4 3
 
  Q J 10 9 7
  A 8 4
  7 6
  8 6 2
 
N
  K 6
  9 7 2
  Q J 10 8
  J 10 9 5
W
 
E
 
S
 
 
  A 5 2
  K J 6 3
  A 9 4 3
  A Q
 

South
West
North
East
I pass
I pass
I pass
1NT
2NT
3NT
I pass

 

Lead: Q
Bidding: 2NT; game invitational, opener’s decision
Declarer play: Immediately establish the Hearts.
Defence play: East should play the King of Spades on the first trick to avoid blocking the suit and allow to set the contract.
Score:
3NT – 1: 50 EW
3NT =: 400 NS