[Cyberyeti]

nullve, on 2016-October-25, 17:54, said:

Because

* my hand was already limited to 22-24 hcp with 5 S (and likely 5(332) shape) when partner invited grand;
* he seems to be fishing for the ♦K.
* he knows I can only have a marginally better hand than this;

He was fishing for Axxxx, AQx, AKx, AK or Axxxx, Ax, AKx, AKQ or if you'd bid it that way Axxxx, Ax, AKxx, AK. Give him J♣ in addition which doesn't help most of the time and Axxxx, AQ(x), Ax(x), AKQ will do as well, even without it a 3-3 or a finesse is not terrible.

[msjennifer]

Playing a modified Super Precision,
1♣---2♠ Black singleton 11-13 HCP ,4441 hand
2NT(which singleton?) ---3♣ club singleton
3♠(spade suit enquiry)----4♦two top honours.
4♥(heart suit enquiry)-------5♣ Two top honours.
7NT--------pass.

[msjennifer]

Playing Super Precision,
1C(16plus any)-----2S(11-13 HCP 4441 type with black suit singleton.)
2NT (which singleton?)--3C(club singleton)
3S(spade suit enquiry)---4D(2 top honours ofAKQ)
4H(Heart suit enquiry)----5C(2 top honours)
7NT.--------Passed

[GrahamJson]

How about:

2C - 2D
2S - 4C
4NT - 5D
5NT - 7S

Once opener confirms that all the principal key cards are present, by bidding 5NT, responder can see that he has all that opener could want. After all, opener's hand is just about the minimum that he could have, some would say sub-minimum for the 2S rebid.

[GrahamJson]

Looking at the hands again I think there should be a couple of cue bids (4D - 4H) before opener launches into RKKB.

[fromageGB]

Honestly, I just can't see a problem here with pretty standard methods, as Kaitlyn says.
2♣ (23+ balanced or [almost] GF) - 2♦ (positive)
2NT (23/24 balanced, may include a 5 card suit) - 3♣ (puppet/etc 5 card major ask)
3♠ (5 cards) - and now responder can see a brilliant spade fit, 34/35 points, and obviously slam is possible. Knowing opener's hand, responder is obviously the one in charge, and with his major holdings, all he needs to know is AKs. No need for cue bids or anything. You are safe for the 6 level.
... - 4NT (ace ask)
6♣ (4 aces and this is the only K or the cheaper of two) - 6♦ (do you have this one as well? No harm in asking)
7♠ (yes) - Pass (might need to ruff a club if opener does not have a side Q)

[fromageGB]

GrahamJson, on 2016-October-26, 10:27, said:

Looking at the hands again I think there should be a couple of cue bids (4D - 4H) before opener launches into RKKB.

Completely disagree. You have started with opener already describing his strength and shape, so it is responder with the unknown hand that must launch.

[fromageGB]

Kaitlyn S, on 2016-October-25, 22:55, said:

In many partnerships, 4NT IS quantitative and 4C is clubs.

It should not be quantitative if opener has a 2-point range. If your 2NT does not, you should change the ladder/methods. ALL natural bids/rebids of 2NT should be no more than a 2-point range.

EDIT - you can have a 3 point range for a 3NT rebid, and then quantitative comes into play.

[Zelandakh]

fromageGB, on 2016-October-28, 04:20, said:

Honestly, I just can't see a problem here with pretty standard methods, as Kaitlyn says.

The problems with this auction are the same ones I highlighted further up - 4NT is not RKCB for most; you have not located the ♥J (to find the better 7NT); and you have not managed to rule out ♦AKx, which would lead to a slow loser.