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IAC & Master Solvers Club / Re: 2020 SEPTEMBER - MASTER SOLVER'S CLUB
« Last post by blubayou on Today at 02:25:53 AM »

quote of my hero DickHY  above:      ...


G.  3D
H.  JS.  This quiz would be a lot easier for me if it stopped at G.  There’s 26 HCP between W and N, but how are they split?  W hasn’t raised and N hasn’t doubled, so perhaps N has 4c hearts and 12 HCP.  He could be short in diamonds – the K is probably with W anyway – but I have no entry to give him a ruff if he has xx.  Perhaps the best way I can help is to lead the SJ across W.  If partner is short in D he can lead them after winning that trick.

 
   The day after (  maybe two)  an IAC  torney   put me in this pickle.... same diamond suit (had the jack as well),  same pre-emptor as declarer.  I cashed my D ace , and it lived...BUT! dummy's D king  was a vital sluff for the make that we could have nullified by (either?)  black suit lead.  So I changed my vote right then  to one of the other suits though still thinking that all 3 choices  are about equal.
    pity analysis  of of problem G,  Dick.   can there be a double 100% vote for an MSC answer--  panelists and "subscribers" ?
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IAC & Master Solvers Club / Re: 2020 SEPTEMBER - MASTER SOLVER'S CLUB
« Last post by blubayou on Today at 02:21:30 AM »
G.  3D.

H.  JS.  This quiz would be a lot easier for me if it stopped at G.  There’s 26 HCP between W and N, but how are they split?  W hasn’t raised and N hasn’t doubled, so perhaps N has 4c hearts and 12 HCP.  He could be short in diamonds – the K is probably with W anyway – but I have no entry to give him a ruff if he has xx.  Perhaps the best way I can help is to lead the SJ across W.  If partner is short in D he can lead them after winning that trick.



 the day after (  maybe two)  an IAC  torney   put me in this pickle.... same diamond suit (had the jack as well),  same pre-emptor as declarer.  I cashe my D ace , and it lived...BUTdummy's D king  was a vital sluff for the make that we could have nullified by (either?)  black suit lead.   soI changed my vote right then  to one of the other suits though still thinking that all 3 choices  are about equal.
    pity analysis  of of problem G,  Dick.   can there be a double 100% vote for an MSC answer--  panelists and "subscribers" ?
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IAC & Master Solvers Club / Re: 2020 SEPTEMBER - MASTER SOLVER'S CLUB
« Last post by DickHy on Yesterday at 10:06:46 PM »
A.  3H.  There are two ways to 3N: a direct bid which (as Ken says) would show strong stops, AQx, AK; and an indirect 3H which (as Jim says) shows the half-stop I hold.  Partner has at most 4 cards in the majors.  With Kxx/Axx in H he can bid 3N, and we’ll be happy.  With 2-c spades (xx xx), he can bid 3S (surely worth venturing as I might have a 6-card suit) and we’ll be happy in 4S.  If he denies both with a 4m bid, we’re playing in 4S, since I already have 3 losers (2H and a S) rather than in 5m.  If partner has a GF hand with no HCP in the majors, and I hold KD, he must have AD, and AK of C.  Sure, 4S might be risky opposite a partner void in S, but it can cope with a 4-2 trump break.  Whereas if partner has (- xxx 46) 5C is only 50/50, needing a running S finesse to work.  3H looks like a bid that leaves a sensible 3N contract open as well as having a back-up 4S.

B.   2N.  N and partner have about 30 HCP between them.  Partner probably has 3 or 4 spades but didn’t overcall 1N, so that limits him to a maximum of 14 HCP?  So, at best a 20/20-ish hand.  If 1N could have been used by a passed hand as an Unusual NT, then there’s no hesitation, but here we’re forced into 3m contract.  Still, -100 is better than 1S making.  How likely is it that NS have 4S?  With 20/21 HCP N might struggle.

C.  X/4C.  Showing the 4c S suit fast looks tempting.  What do we do after partner’s 4D continuation - will he believe 5C shows a 6-card suit?  Bidding 4C then, over 4D, bidding 4S, might portray my hand more accurately.  Even then would partner think I had 6 clubs?  And let’s not forget that 4C takes away the possibility of 3N, which a negative x preserves. 

D.  pass.  Jock’s analysis is eye-opening.  Even with only 3 diamonds, a yarborough partner could give me two S ruffs, for 3 spade tricks, 1 heart (eventually, the way back to my hand after the first S ruff) and 4D tricks.  And if he has 4 or 5 diamonds, I’m making 9 tricks easily, with a 10th coming.  We’re beating 2S, so passing yields a positive score.  3D might be -50 or it could be +110/130.  I wouldn’t have thought of 3D were it not for Jock’s work, so ethically I should pass, but something to remember for another day and I’ll be pulling for 3D to gain the maximum 100.

E.  3D.  4H looks a pragmatic bid.  3H is a little too weak and 4C too strong (and has the disadvantage of probably receiving a 4S answer).  3D leaves options open (including 3N if p has a suitable club holding ATxx or QJT, say), and if p bids 3S that, I can bid 4H. 

F.  2N.  I want to show both suits quickly, because there’s a decent chance W bids 3D and partner passes.  If that happens I can then bid 5N (pick a slam). If W passes and partner chooses H, I’m going to bid 6D.  If partner chooses C, I’ll go into the tank over whether to bid 5H or 5N.  But showing both suits must be the priority.

G.  3D.

H.  JS.  This quiz would be a lot easier for me if it stopped at G.  There’s 26 HCP between W and N, but how are they split?  W hasn’t raised and N hasn’t doubled, so perhaps N has 4c hearts and 12 HCP.  He could be short in diamonds – the K is probably with W anyway – but I have no entry to give him a ruff if he has xx.  Perhaps the best way I can help is to lead the SJ across W.  If partner is short in D he can lead them after winning that trick.
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Sleight of Hand / Re: What is your call?
« Last post by jcreech on Yesterday at 11:37:53 AM »
I am inclined to still try for 3NT, and so will choose 3 !C as a forcing bid.  I am not certain how the partnership will take the bid - it might be treated as a cue bid in support of spades, or simply a control, while unclear in communicating the direction of the auction.  When it is the later, I typically will rebid the direction at my next turn.

This time, the direction may depend on partner's rebid.  If partner cues in hearts, then I will take a stab at 3NT.  If partner rebids spades, then I will show my extra good and long diamonds.  I am not expecting other bids from partner, but will react accordingly if they come up.
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Sleight of Hand / Re: What is your call?
« Last post by kenberg on Yesterday at 11:05:21 AM »
Oh my, I did this way to early in the morning, not thinking that 4 !D was a jump bid. I'll leave my earlier pre-coffee response up for amusement but I now disown it.
I go with 3 !C. But what it it? Well, if it's U/U it shows !D and some strength, it doesn't show a !C control. But it sounds like a reasonable start.
Very possibly U/U should be reserved for hands that go: 1 of something -(2NT) and, perhaps, 1m-(2m) when  2m is  Michaels, as it usually is.  Maybe this all needs discussion. If 3 !C shows a decent hand with good diamonds then it seems right.


The pre-coffee comments:
4 !D, non-forcing, seems right. Of course we might belong in 3NT but that seems like a huge gamble to me.
If partner has
!S Kxxxx
!H xx
!D xx
!C Kxxx
then we seem to have 10 tricks playing  in !D, and there are a fair number of variations on this. 
Of course any call is a gamble but I think 4 !D shows a hand that should play pretty well in !D.  If partner has more than a minimum for his 1 !S cal then he can raise or, on occasion, bid 4 !S which should show a hand that will play pretty well in !S.  I will leave him in 4 !S if he bids it.

This is an argument for calls to have natural meanings instead of conventional meanings.
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Sleight of Hand / What is your call?
« Last post by Masse24 on Yesterday at 01:02:50 AM »
As dealer you hold:

!S Q - !H T9 - !D AKQJT74 - !C A32

The auction proceeds:
1 !D – (P) - 1 !S – (2NT)
??

What is your call? Explain. 
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IAC Teaching Sessions / Re: Creature's Features
« Last post by jcreech on Yesterday at 01:01:52 AM »
Attached are the hands and notes for the 8/6/20 class.
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IAC & Master Solvers Club / Re: 2020 SEPTEMBER - MASTER SOLVER'S CLUB
« Last post by blubayou on August 06, 2020, 06:37:53 PM »
hi Todd :)  A small part of my calling BIDDING  (3D)  as a landslide win includes the idea that our broke pard with  6+ hearts and less than 3 diamonds will correct my 3D to hearts on his own,   but truly he seems to come up with 4 diamonds +/- one an amazing percentage of the time !


SOLUTIONS FOR:Jock McQuade Gresham OR U.S.A.
PROBLEM A: 3 Spades
PROBLEM B: 2 Notrump --- my simulation overruled my long-held "rules" [ :(
PROBLEM C: Double
PROBLEM D: 3 Diamonds --- "GIB" and the natural me  agree big-time on this bid
ROBLEM E: 3 Hearts
PROBLEM F: 2 Notrump
PROBLEM G: 3 Diamonds
PROBLEM H: Spade Jack  3-way pick-em,  to the end :( 

3 Spades   
2NT   DOUBLE   3 Diamonds   2 Hearts (!!) 2NT   3 Diamonds    Spade J[/color]

 Hey, folks!  this paste just above is Jim's  final pick  chiselled into the club's spreadsheet.   Correcting the insufficient  "2H"  in the 5th spot  to a sufficient "3"   and I'll be damned if we didn't both end up exactly matching each other.
    BEST OF LUCK ON AUGUST 11, JIM! :)
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IAC & Master Solvers Club / Re: 2020 SEPTEMBER - MASTER SOLVER'S CLUB
« Last post by Masse24 on August 06, 2020, 03:36:19 PM »
For problem D:   i ran another large simulation in the deal generator  giving my partner one or two jacks and only 0-1spade ( and the opps  the remaining 16-18 pts and actual 8-9 card fit.   big suprize!!--  pard ALWAYS came through with  3-5(6) diamondss for me,  -- or 6+ hearts  and we hardly ever took a minus, Opps generally were good for 6-7 tricks in spades and occasionally even mad two,  so passing them out  was a bad move if you agree  yarborough partner will not be leaving in  our second double.   It was truly a landslide win for bidding,   and going plus if we bid 2NT  was somewhat rare and  lost to 3D+1 or 2 anyway,  when it did stagger in.     
     3 DIAMONDS,  and protest to Edgar Kaplan's ghost, if it doesn't get the 100.

I like this, Jock. I like it a lot.

But I'm not sure I have the guts to try it.

I can picture west with some sort of !S KQT9 - !H xxx - !D xxxxxx - !C -  and, sitting across from partner's 1 !C open, just wants to get out of clubs. If I could double and still keep clubs in the picture, I might consider it. But won't partner key in on the red suits? Maybe not due to my failure to bid an immediate Unusual 2NT.

If west has the hand I described above, it's possible for partner to have this yarb: !S x - !H xxxxx - !D xx - !C xxxxx. Yes, I understand it's unlikely.

Tough problem. Partner has zero and with the right distribution we could have game or even slam. 

One thing I know I'm not doing is bidding 2NT. Partner has a stiff or void in spades. If I am going to declare, partner's hand is only worth something in a suit contract. Of the "I want to declare" choices that remain, I lean more towards double. Partner will put us in his best red suit, which is another worry. If partner is 4-4 in the reds, at Matchpoints doesn't he put me in hearts?

The panel opinions will be fun to read on this one!!!  ;)
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IAC & Master Solvers Club / Re: 2020 SEPTEMBER - MASTER SOLVER'S CLUB
« Last post by blubayou on August 05, 2020, 01:11:29 PM »
For problem D:   i ran another large simulation in the deal generator  giving my partner one or two jacks and only 0-1spade ( and the opps  the remaining 16-18 pts and actual 8-9 card fit.   big suprize!!--  pard ALWAYS came through with  3-5(6) diamondss for me,  -- or 6+ hearts  and we hardly ever took a minus, Opps generally were good for 6-7 tricks in spades and occasionally even mad two,  so passing them out  was a bad move if you agree  yarborough partner will not be leaving in  our second double.   It was truly a landslide win for bidding,   and going plus if we bid 2NT  was somewhat rare and  lost to 3D+1 or 2 anyway,  when it did stagger in.     
     3 DIAMONDS,  and protest to Edgar Kaplan's ghost, if it doesn't get the 100.

The lead problem:     spade jack, diamond ace,  and the correct low club  are still  a 50-50-50%  proposition  for me, but i am switchin to:
      Jack of SPADES

Bye for this month    good luck to all
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