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All comments by Yuan Shen
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I think your two comments are related.

Opposite a likely 5-6 hand (at the 3 bid, this is very likely), 3-1-5-4 and 2-2-5-4 are very different beasts.

Disparity matters a lot opposite a two-suiter.

x Axxxx Q AKQ10xx
K10 xx AKxxx J98x

1C - 1S
2H - 3C
3H - 3S
4D(3) - 5D (same as before, up to here)
5NT(Q) - 6C (I needed more.)

In the case opener actually had more:
x AKxxx x AKQ10xx
K10x xx AKxxx K98x

1C - 1S
2H - 3C
3H - 3S
4D(3) - 5D
5H! - 5S
5NT(Q) - 7C

I think there are suit combos (e.g. maybe clubs and spades) where you'll have wished NT showed something else, but I'm willing to sacrifice that to get partnership certainty on the queen.
May 21
Yuan Shen edited this comment May 21
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(1) suggestion
x Axxxx Q AKQ10xx
K10x x Axxxx J98x

1C - 1S
2H - 3C
3H - 3S
4D - 4H
4N - 6C


(2) suggestion
x Axxxx Q AKQ10xx
Q10x x Axxxx J98x

1C - 1S
2H - 3C (enough to GF still)
3H - 4D (1; possibly 5C to signoff, but it's 4-1 disparity)
6C
May 20
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Paulo, yup I think you're right in this example.
I guess this was a somewhat special case which depended on Turbo starting at the cheap level of 4D (so that 4N was available as the first queen-show).
May 19
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Here are some examples I excluded. I am not suggesting the following auctions show good judgment, merely that the suggested Turbo rules (in particular NT=Q) are sensible, and easy-to-remember.

This was a recent bidding box hand, that my p and I tried (going from memory):
x Axxxx Q AKQ10xx
A10x x Axxxx J98x

The auction timed a bit better in the transfer structure
1C - 1S (balanced or diamonds)
2H - 3C (natural GF)
3H - 3S
4D! - 5D
5NT! - 7C

4D was Turbo – clubs have been implicitly agreed at 3C after the auction breaks 3NT – showing odd (3 here, as is sensible by a reversing hand).
5D forced slam, 5NT showed the trump Q.


I just make up the following one; again the auction may not be a good one (but should be reasonable), and may be perfectly biddable without Turbo.
Axxxx AKxx x QJx
KJxx xx AKxxxx K

1S - 2D
2H - 3S
3NT (non-serious) - 4C
4D - 4S
4NT (2) - 5D (interested, hence must promise at least 2 KC)
5H - 5S (hence must be exactly 2KC, no Q)
P (off a KC and the trump Q).

Alternatively, a similar sequence:
1S - 2NT (Jacoby)
3D (short) - 4C
4H - 4NT (2)
5H - 5S
P.
May 19
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2 = clubs and clubs (opening values+)
2 = 5+diamonds and 4+hearts (often 5-5 when vulnerable)
2 = 5+earts and 4+spades (ditto)
2 = weak spades and spades
2NT = strong 5+hearts and 5+another
3 = weak clubs and clubs.
May 18
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More basic,

1C 1M P 2M
P P 2N = diamonds with club tolerance (likely 5-3)

1D 1M P 2M
P P 2N=clubs with diamond tolerance; 3C=just clubs.
May 17
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Not much to add, but I reckon 5NT pick a slam should be there.
April 11
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A reasonable (and simple) compromise is that diamonds as trumps count when the contract is game-or-higher or doubled or redoubled (or, not xor).
March 27
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For methods, I think 1 - 2 as 5+ suit-oriented is good.

I like
1 - 2
?
- 2NT = clubs
- 3 = 3-card diamonds
- 3 = 4-card diamonds

You are more likely to pick diamonds with a 9-card fit.

After 3, 3 is waiting while 3 is natural showing the double fit, and sets hearts. The 1-under transfer allows the punt when strain is more of an issue.
March 23
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@Steve, I think it's reasonable to play 2N as clubs or invite.

2M 2N
3C ?

- 3D = really, I just wanted to ask if you are good or bad
- others natural. So responder gives up showing clubs AND diamonds over a weak 2M.
Feb. 2
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I don't see how this keeps the bidding low.

While it is reasonable to play 2D 2M to play (particularly at pairs), forcing with a major starts at 3M-1? This also prevents the simple (and isn't this the most important sequence?) natural auction 2D - 2M; 3D/M, where responder (5-2) can get out in 3D with no major suit fit, but otherwise find game.

Doesn't this also wrong side most contracts when responder is strong?
Feb. 2
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Never thought about it, but I think this would be added to the laws!
Feb. 1
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Shawn, I quite like the compromise of second/fourth best from non-honor spots (xXx, HxXx). Needs some thinking though.
Feb. 1
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It's just about possible to play a switch so that
1m (1S) 2om shows 5+ hearts, and 2H is forcing with the other minor.

(If 1C is short, then you can use 2C as the switch.)

You can't get out in 2D when responder has a force with clubs, but you might find some 5-3 heart competes over their spade fit.
Feb. 1
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General, usually game forcing, strength. I don't think it promises 4S. What would you bid with 14HCP 2263?
Jan. 17
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Hmm, if partner has a balanced hand, with our d singleton, wouldn't that balanced hand typically be suitable for a NT overcall?
Jan. 17
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Is there any other option than doubling?
Jan. 17
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Could you make 2 on this deal?
Jan. 12
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If anything, given the lead, I'd play the hearts the other way. H10 from hand?

Also West might attack spades, whereas East has a cheap shot through the club ace.
Dec. 30, 2019
ATB
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I think a cue followed by 4M shows the power hand (you don't care about interference, even by partner).

Direct 4M is a game try, particularly in spades.
Dec. 29, 2019
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