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All Games Sat. Eve. Masterpoints

Lebensohl 2NT Response to 1NT in Competition

Lebensohl is a convention used by responder after an opponent's overcall of a one notrump opening bid, used to compete and describe a wide variety of hands. . For example, consider this deal:

 
    ♠KJ95
AK63
AKT
♣T6
   

The auction begins:

N      E     S   W
1NT 2    ?

As South, you desperately want to bid 3♣ non-forcing. Lebensohl, allows you to do this by sacrificing the 2NT invitational response. Instead, 2NT directs partner to rebid 3 ♣, so that you can pass or make a non-forcing bid at the 3-level. If the opponnents do not raise diamonds or bid hearts, the auction can proceed:

1NT 2 2NT P
3♣

 

♠8732
KQJ92
A2
♣63

  ♠AQT4
84
QJT64
♣AJ
 
    ♠6
T7
9873
♣T98752
   

By not bidding 2NT, you make life easy for the opponents, since West can easily bid 2H. Verus complex 1NT overcall conventions like Woolsey or DONT, the opponents may have a harder time, as they struggle to find the spade fit and are uncetain about game.

After an overcall of a 1NT opening

Lebensohl is initiated by the responder after partner has opened 1NT and the right hand opponent (RHO) has overcalled with two of a suit (not clubs).

Open Overcall
Responder
    Response Meaning & Subsequent Bidding
1NT 2, 2 or 2♠ 2 in a higher ranking suit Natural and to play
2NT

A relay bid, forcing the opener to rebid 3 ♣. After that:

  • 3 in suit of lower rank than overcalled = natural and to play
  • 3 in suit of higher rank than overcalled = natural and invitational
  • 3 in the overcalled suit (a cuebid) = Stayman + a stopper in the overcalled suit
  • 3NT = to play + a stopper
3 in any suit except that overcalled Natural and game forcing
3NT

To play + denying a stopper

 

Double Penalty, showing a decent non-game going hand with four-cards or a very good three-card holding in the opponents suit.

If you are getting a headache digesting this stuff, take a look at some examples. These are taken from 20 random deals, where:

Examples

Then try the quizes:

Quiz 1

Quiz 2

Quiz 3