[patroclo]

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Tell me your continuation and some suggestion with the correct bid with many points after a 1 nt open

[TylerE]

Can I stop you right here and object?

1NT is not to be opened on 18, ever, ever, ever. That's a REALLY REALLY bad bid, triple especially on a hand where all the honors are working.

1♣-1♠
2NT-3♣ (Checkback style)
3♠ (3♠)-4♣ (Cue)
4N (1430)-5♥ (2 without)
6♠

Easy auction, when you don't make a dumb 1NT opening.

[Cyberyeti]

Playing my weak NT system:

1♣-1♠
1N(15-bad 19)-2♣(asking)
2N(3334 17-bad 19 GF)-3♠(suit setting, slammish)
3N(♥ cue)-4♣(cue)
4♦(cue)-4N
5♣(0/3)-5♦(Q♠ ?)
6♣(Q♠, K♣, not K♥)-6♠

The problem with both this and Tyler's auction is that it also bids the slam opposite ♣K432 which is not quite no play, but not good.

[manudude03]

If you insist on a 1NT opener (only ok when playing 16-18):

1NT-2H
2S-4S (mild slam try)
6S

[TylerE]

Cyberyeti, on 2013-May-21, 11:53, said:

The problem with both this and Tyler's auction is that it also bids the slam opposite ♣K432 which is not quite no play, but not good.

I would argue that in my case it doesn't, as without the J♣ (or some other compensating value like a red honor), it _does_ downgrade from a 2NT rebid to a 1N opening.

[TWO4BRIDGE]

Looks like that 18th point ( the ♣ Jack ) is crucial toward making 12 tricks (needing the finesse to pitch a losing red card ) .

[Cyberyeti]

TylerE, on 2013-May-21, 12:03, said:

I would argue that in my case it doesn't, as without the J♣ (or some other compensating value like a red honor), it _does_ downgrade from a 2NT rebid to a 1N opening.

TBF I'd upgrade if I had ♣K109x in conjunction with 10♥ that would be enough for me to bid it as 18 but doesn't help that much here (except that they may need to lead a trump now to avoid giving the contract if opening leader has only 3 clubs).

[gszes]

If you had an 18 count full of quacks something like
KQJ QJ4 KQJ QJxx that is a reasonable downgrade
to 1n but be very wary of downgrading ANY hand when
the power is heavily located in controls most especially
strong hands 15+ because p may not want to do anything
but issue a mild slam try when they are missing a lot of
controls. One of the first steps in hand evaluation is to
look and see if p has the max number of controls, for their
bidding, is slam reasonable.

After hearing p open 1n responder should only search for slam
if they hafve a reasonble way of finding a 5 card suit in openers
hand. It is too difficult to picture a 17 balanced hand that will give
6 good play.

1c
1s
2n
3d nmf
3s 3 card support
4c cue
4d cue
4s unwilling to go past 4 w/o a heart control
4n hand can't be much better for slamming p rkc
and all side suits are controlled.
5h 2 w/o
6s

[ggwhiz]

I can't get to slam here cause my pard owns a 1nt opener.

You are headed for a lot of missed games opening 1nt on these cards.

[TWO4BRIDGE]

patroclo, on 2013-May-21, 11:08, said:

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Tell me your continuation and some suggestion with the correct bid with many points after a 1 nt open

I agree that 1NT is not right with this one .... too strong .
And, Responder really falls a little short of slammish ... that K J 9 6th is nothing to brag about.

In any case, I've toyed with the following system:

1NT - 2H!
2S! - 3C! ( either real 2nd ♣ suit OR long ♠; slammish )
??
.. 3D = agree ♣, 4 or 5 cards
.. 3H = agree ♠, 3 cards
.. 3S = agree both
After:
3S - 3NT! ( next step = long major only )
4C ( Ctrl cue )
..... - 4D ( Ctrl cue )
4H ( Ctrl cue )
..... - 4NT ( RKC for ♠ )
5C ( 0/3 )
..... - 5D ( ♠ Q-ask )
6C ( ♠ Q + ♣ K )
..... - 6S

[Zelandakh]

If we assume 1NT is 16-18 and therefore that we are playing Mama and Papa bridge, we can just jump in spades with the South hand: 1NT - 3♠; 4♣ - 4♦; 4NT - 5♥; 5NT - 6♦; 6♠. Out of interest, how would everyone play this in 6♠? It looks like there are more options than just the club finesse. Can anyone make it on both the OP layout and with the minors switched between East and West?

[rogerclee]

manudude03, on 2013-May-21, 11:56, said:

If you insist on a 1NT opener (only ok when playing 16-18):

1NT-2H
2S-4S (mild balanced slam try)
6S

FTFY

[Lord Molyb]

This slam is actually a bit over 62.5% - it makes when both heart honors are with west or when the heart honors are split and west doesn't cover the jack when we play it from dummy. If that fails there is still the club finesse.
My weak NT system goes:
1♣ - 1♠
2NT - 3♦
3♠ - 4♣
4♦ - 4♠
4NT - 5♥
6♠

3♦ is GF checkback
4♣, 4♦ are cues
4NT is 1430

Molybdenum system goes:

P - 1♠
1NT - 2♥
3♦ - 4♣
4♦ - 4♠
4NT - 5♥
6♠

P = 11+ unbalanced or 14+ balanced
1♠ = 13+ artificial
1NT = 14-19 balanced
2♥ = Relay for ♠
3♦ = 17-19, 3 ♠s
4♣, 4♦ = cue
4♠ = no interest in a grand, no heart control
4NT, 5♥, 6♠ same as above