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All comments by Imtiaz Husain
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This is one of those fundamental points, I demonstrated poor judgment by bidding 1-(p)-1-(p)-1N on, as opener.

Opener doesn't get to use XYZ or NMF. It is a choice responder makes. If his hand is not an invitational hand or better, there
is no checkback sequence. 1N is non-forcing. Responder can
always pass 1N.

On this hand I didn't have a problem with my partner passing 1N,
because I had values in the side suits. 1N making 2 would have
been a great result, as 2 (4-4 fit) making 2 would be average.
However, responder was 4=4=4=1 with about 7 hcp. So NMF, even
if we played it would be out of the picture. We ended up playing
2 for a average minus.

The bottom line is bypassing 1 makes sense in the following
sequence: 1-(p)-1-(p)-1N, because if responder has :4+,
he will use checkback to find the fit.

It does not make sense in the sequence 1-(p)-1-(p)-1N,
because, if he lacks an invitational hand or better, responder
will not find the 4-4 fit.
Jan. 19
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1) My understanding is never. Bidding went 1-(p)-1-(p) and I bid 1NT (We play XYNT) and bidding continued 2-(p)-2-(p)-p-(p)
Lesson learnt! Answer is never!
Jan. 18
Imtiaz Husain edited this comment Jan. 18
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1-(p)-1-(p)-1-(p)-3
:4+ :4 gf good distrn others play :top2/3

Assume then this sequence is used by you to show :top2/3
rather than a distributional game-forcing raise. I would rather show unspecified shortness this way, than show :top2/3
You also have the 5/4 splinters sequences:

1-(p)-1-(p)-1-(p)-4
:5+ :4 gf 4=5=3=1 or 4=6=2=1 !(:A|K)

1-(p)-1-(p)-1-(p)-4
:5+ :4 gf 4=5=1=3 or 4=6=1=2 !(:A|K)

Also using 1-(p)-1-(p)-1-(p)-2N-(p)-3-(p)-3 to describe a
1=4=4=4 slam-invite hand in makes little sense to me.
Why not start with:
1-(p)-1-(p)-1-(p)-2-(p)-?-(p)-3
or
1-(p)-1-(p)-1-(p)-2-(p)-?-(p)-3
Jan. 18
Imtiaz Husain edited this comment Jan. 18
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I also have in my notes:
1-(p)-1-(p)-1-(p)-2-(p)-2-(p)-2
:5+ mild to normal game invite

Art, in general I agree with you - invitational sequences should not pass the 2 level (unless they are safe to do so). The standard invitational sequence stops at the 2 level.


Another facet of XYZ is that 2 asks 2 tells. So the invitational sequence with the jump says that the heart suit is good enough, with sufficient high card points to be safe at that level, while the 2 bid warns you that either the trump suit and/or the high card points may be lacking to play at the 3-level.

It is also possible to have a third form of invite that might be useful to communicate to your partner. You may have an invitational hand of a distributional nature. Depending on your partnership agreement and whether you are more interested in tailoring to find games rather than slams, you might want to leverage the 2N-3 relay for invitational hands.
In that case 1-(p)-1-(p)-1-(p)-2N-(p)-3-(p)-3
shows an unspecified singleton with :6+

You can add jumps to games, various 4 level splinters, treatments showing top 2/3 honors with specific outside controls. The point is those sequences exist as XYZ allows for them. Whether you are playing Flannery, Reverse Flannery, Precision, Transfer over 1C, Transfers over 1D, MPvsIMPs, etc; these all factor in to how you may want to tailor your XYZ.
Jan. 15
Imtiaz Husain edited this comment Jan. 15
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Here is what my notes have:

1-(p)-1-(p)-1-(p)-3
:6+ gf :good strongest rebid in

1-(p)-1-(p)-1-(p)-2-(p)-2-(p)-3
:6+ strong game try based on hcp :AQT9xx+
Jan. 11
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Hi Bilal,

By XYZ definition 2S is invitational in the following sequence:
1m-1;1N-2;2-2

2N by opener is simply a preference bid.

Stephen that is what should have been on the options list.
The real quick is when do you pass 2 and when do you show
preference to 2N. Clearly whether you are playing IMPs or MP is relevant.

In MP, you want to have a doubleton spades, ideally with an honor, in hopes of running the spade suit. Hoping that both 2 and 2N make exactly. With 5-1 you hope that you can ruff and make your
contract that way instead. Presence of Qs and Js may be another
factor suggesting the 2N bid.
Jan. 7
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The problem is the standard convention card has:
Minor Suit Openings Double Raise and After Overcall
choices as: i) Force ii) Inv. iii) Weak

There is no constructive choice.
If you consider weak to be hcp:3-5(6) and constructive
to be hcp:7-9 that would be the most accurate demarcation
of bids.

Most novice or intermediate players do not realize that
bidding with hcp: 3-5 is even a viable option.

I think East simply asking whether 3m is weak and then
wanting protection is wrong.

The concentration of values in Hearts and the wasted QC
should not give East a free ride in trying to push
the opponents to the 4 level. There is always the risk that if they can bid it they might be able to make it.

North after all has an 18 point hand.
Jan. 2
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So the following sequence is natural according to BWS criteria:

1-(p)-2-(p)-2N-(p)-3-(p)-3N even though everyone plays it as a slam try instead.

And the following sequence depends on whether 3 establishes an eight card fit or not:

1-(p)-2-(p)-3-(p)-3-(p)-3N

Honestly, the BWS criteria is sorely lacking.
Dec. 31, 2019
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Honestly, I'd be happy that they didn't bid game. The Qx of Diamonds is almost worthless. Not sure if the Kx of Clubs will help secure a trick. On the plus side hearts are breaking well
for them, and they have defensive tricks in spades.
Dec. 30, 2019
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Yeah that makes sense. Attack spades to cut communications between EW, before attacking diamonds.
Dec. 30, 2019
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Ignore this suggestion: (ducking the spade back)

Let me followup to your answer
Dec. 30, 2019
Imtiaz Husain edited this comment Dec. 30, 2019
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This sets up a simple squeeze play for declarer
Dec. 30, 2019
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idk -
1) West leads S4, taken by Ace. East returns S9 ducked all around. Cashes the QS and then exits with a club. South forces out the Ace of Diamonds and then squeezes West in Spades and Clubs.
2) On a heart lead (say low), knock out the Diamond Ace and finesse East twice in hearts.
3) Club Lead breaks up the squeeze.
Dec. 30, 2019
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That's interesting Kit,

Would you advocate a hcp: 15+ 1C opening?
Dec. 30, 2019
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Have a Fantastic New Year!!
Dec. 30, 2019
ATB
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Yeah there should have been a spot to vote “Mostly Josh” especially if Josh wasn't N/S
Dec. 26, 2019
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Or me - Being a relative newcomer to competitive bridge - I am also looking to build my library
Dec. 11, 2019
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Awesome job!!! Finn
Dec. 11, 2019
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South is very slightly favored to have the A.
Ducking intuitively feels right. But I think logic strongly suggests otherwise.
Nov. 27, 2019
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To handle the 5-0 split (void) - makes sense
Nov. 23, 2019
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