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XYZ interference

#1 User is offline   jillybean 

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Posted 2011-July-13, 17:56

Playing XYZ, do you play it off or on over interference?

1 (P) 1 (1)
1 (P) 2/2 ?
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#2 User is offline   mtvesuvius 

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Posted 2011-July-13, 18:04

I prefer to play it on as long as I can bid both 2 and 2, although I don't believe that is standard.
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#3 User is offline   jillybean 

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Posted 2011-July-13, 18:27

View Postmtvesuvius, on 2011-July-13, 18:04, said:

I prefer to play it on as long as I can bid both 2 and 2, although I don't believe that is standard.

When can't you bid 2 or 2 in an xyz auction?
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#4 User is offline   mtvesuvius 

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Posted 2011-July-13, 18:33

View Postjillybean, on 2011-July-13, 18:27, said:

When can't you bid 2 or 2 in an xyz auction?

I meant as long as the interference wasn't 2 or higher. Badly worded I suppose :)
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#5 User is offline   Free 

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Posted 2011-July-14, 01:18

I do the same like the vulcano: XYZ whenever the interference didn't lift us over 2. So for example 1-(pass)-1-(Dbl)-1NT-(2) means XYZ is no longer used. You could use stolen bid ofcourse... :rolleyes:
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#6 User is offline   han 

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Posted 2011-July-14, 02:29

Off whenever the opponents have bid a suit. The auction you give is a perfect example of why you would want to do that. We don't need 2D as GF because you can bid 2H, and you are more likely to want to bid a natural 2C.
Please note: I am interested in boring, bog standard, 2/1.

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#7 User is offline   jillybean 

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Posted 2011-July-14, 08:19

View Posthan, on 2011-July-14, 02:29, said:

Off whenever the opponents have bid a suit. The auction you give is a perfect example of why you would want to do that. We don't need 2D as GF because you can bid 2H, and you are more likely to want to bid a natural 2C.

1 (P) 1 (1)
1 (P) 2
Is 2H invitational or gf? You've lost the ability to show the 2 hand types if xyz is off. To get out in a minor we can use 2/2N and although we are a level higher I think it may be better than ditching xyz here.
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#8 User is offline   jillybean 

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Posted 2011-July-14, 08:39

deleted, idiotic content
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#9 User is offline   Phil 

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Posted 2011-July-14, 08:54

View Posthan, on 2011-July-14, 02:29, said:

Off whenever the opponents have bid a suit. The auction you give is a perfect example of why you would want to do that. We don't need 2D as GF because you can bid 2H, and you are more likely to want to bid a natural 2C.


Disagree with this a lot.

One of the main advantages to XYZ is to be able to invite at the two level after 2. You lose this by having to cue to show a GF - and I'm not sure how you would invite playing this way.

However, after 1 - 1 - 1M, as AWM has mentioned many times, it makes perfect sense not to play xyz, in or out of competition.
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#10 User is offline   TWO4BRIDGE 

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Posted 2011-July-14, 09:30

View Postjillybean, on 2011-July-13, 17:56, said:

Playing XYZ, do you play it off or on over interference?

1 (P) 1 (1)
1 (P) 2/2 ?

I don't play XYZ ( although I should ) but one of my notes on it says:

" With or without competition it is always ON as long as we have bid 3 times at the 1-level. "

Therefore, it is ON in the auction you show.

However, if it went :

1 - (P) - 1 - (1)
p - ( p ) - 2 / 2 would be natural and non-forcing ... NOT XYZ .
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#11 User is offline   wyman 

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Posted 2011-July-14, 10:02

For simplicity, in one partnership, we turn it off anytime there has been interference. In another, we keep it on only over a double.

Re: XYZ-2N. Puppet to 3C. Follow-ups are slam tries (some use these for very mild game tries below 3N, slam tries 3N and above). You should discuss the following auctions:

e.g.,
1X - 1Y;
1N -

(a) ... 2N;
3C - 3N

(b)... 2C;
2D - 3N

©... 3N

All of these should have meanings. You might use one as a general cheap quantitative invite, one to play (direct 3N, I'd advise), and one a mild slam try with some sort of shape and support opener's minor (if X is a minor).

Also the auctions:
1X - 1M
1N -

(d)... 4M
(e)... 3M
(f,g,h) ... 2C
2D - 2/3/4M
(i,j)... 2D
2X - 3/4M
(k,l)... 2N
3C - 3/4M

Here you have 9 bids to describe the length of your suit, quality of your suit, and quality of your hand. I think enough people use enough variants that it's just worth sitting down with pard, hammering something out that you'll both remember based on meta-principles about jumps and relays, and then -- if you really want to optimize -- come back looking for critiques.
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#12 User is offline   inquiry 

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Posted 2011-July-14, 10:20

I have the following agreement with two partners

The name, "XYZ" comes from this..
1x-(P)-1y-(P)
1z-(P)-BID

Where x, y, z can be any bids, as long as responder has a choice to bid 2♣ or 2♦. In fact, the way I play it, as long as responders second bid can be two of either minor, then xzy is still on. This includes hands where opponents have bid (responder must have made a bid or double at his first opportunity or XYZ is off). So 1C-(1H)-DBL-(1S)-P-(P)- xyz is still on. 1C-(1H)-Pass.... after this pass by responder, XZY is off forever. Also, note that most people don't play XZY after 1C-1D-1any, however, I do. Some people don't play xzy after 1H-1S-1NT, but again, I do.


I appreciate han's point about having cue-bid available but still I play this method by agreement with partners I have discussed this with.
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#13 User is offline   han 

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Posted 2011-July-14, 10:52

View PostPhil, on 2011-July-14, 08:54, said:

Disagree with this a lot.

One of the main advantages to XYZ is to be able to invite at the two level after 2. You lose this by having to cue to show a GF - and I'm not sure how you would invite playing this way.

However, after 1 - 1 - 1M, as AWM has mentioned many times, it makes perfect sense not to play xyz, in or out of competition.


I play that 1m - 2M is invitational, so I don't need to invite in the major at the 2-level anyway. And that is the only invite where not playing XYZ loses space, I can still invite with 2NT, 3C or 3D just like you would after ..2C..2D.

A persistent poster could probably still find some advantages for playing XYZ in this auction, but I think the advantage of being able to bid 2C naturally is more important in these competitive auctions.

Kathryn, as you can see from the above, I prefer the cuebid to be GF.
Please note: I am interested in boring, bog standard, 2/1.

- hrothgar
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#14 User is offline   Phil 

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Posted 2011-July-14, 11:55

View Posthan, on 2011-July-14, 10:52, said:

I play that 1m - 2M is invitational...


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