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Messages - Masse24

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541
IAC & Master Solvers Club / Master Solvers Club - December 2019
« on: October 11, 2019, 03:13:33 PM »
DECEMBER MSC

Deadline: November 10 at 9:00 a.m. (ET)

Submit your November responses here: The Bridge World - MASTER SOLVERS CLUB

BWS 2017 System: BWS 2017

BWS 2017 POLLS, CHANGES AND ADDITIONS: BWS 2017 - Polls, Changes, and Additions
  • Bridge World Standard 2017 (BWS or BWS2017) is effective beginning with the January 2017 Master Solvers' Club problems. This page shows (1) the results of the panelist polls that were used to adjust the system; and (2) the changes in and the additions to Bridge World Standard 2001 (BWS2001) that were made.
    In the listings of the questions and answers, an asterisk indicates the BWS2001 agreement; the proportion of the expert votes for each item, rounded to the nearest percent, is shown in brackets.



PROBLEM A: Matchpoints
East-West Vulnerable
You, South, hold:
!S 643 !H Q72 !D K64 !C KQ95

SOUTHWESTNORTHEAST
   —   —    —Pass
PassPass1 !D  1 !S
??

What call do you make?


PROBLEM B: Matchpoints
Neither Side Vulnerable
You, South, hold:
!S 6 !H KQ !D Q8742 !C K9763

SOUTHWESTNORTHEAST
   —2 !HDbl3 !H
?*

*BWS: 4NT = Takeout

What call do you make?


PROBLEM C: IMPs
Neither side vulnerable
You, South, hold:
!S T2 !H AT64 !D K7 !C AKT94

SOUTHWESTNORTHEAST
   —1 !DPassPass
?

What call do you make?


PROBLEM D: IMPs
East-West Vulnerable
You, South, hold:
!S AKQ943 !H KQ95 !D 9 !C J5

SOUTHWESTNORTHEAST
1 !S3 !DPassPass
?
What call do you make?


PROBLEM E: IMPs
North-South Vulnerable
You, South, hold:
!S T82 !H AKQ7 !D J87 !C Q82

SOUTHWESTNORTHEAST
   —   —1 !CPass
1 !HPass1 !SPass
?

What call do you make?


PROBLEM F: Board-a-Match
Both sides vulnerable
You, South, hold:
!S QJ !H KT84 !D 2 !C QJT543

SOUTHWESTNORTHEAST
   —   —1 !S2 !H
PassPassDblPass
?

What call do you make?


PROBLEM G: IMPs
East-West Vulnerable
You, South, hold:
!S K !H AQJ97 !D A85 !C KJ42

SOUTHWESTNORTHEAST
1 !HPass1 !SPass
2 !CPass2 !SPass
?

What call do you make?


PROBLEM H: IMPs
Both sides vulnerable
You, South, hold:
!S A2 !H QT92 !D AQ7 !C JT94

SOUTHWESTNORTHEAST
1 !C2 !SPass3NT
PassPassPass

What is your opening lead?


Good luck everyone!

542
IAC & Master Solvers Club / Re: Master Solvers Club - November 2019
« on: October 10, 2019, 04:00:53 PM »
We (the IAC) had five people who scored over 700 this month, though not everyone submitted to The Bridge World.

FIVE!

Really Outstanding!

543
IAC & Master Solvers Club / Re: Master Solvers Club - November 2019
« on: October 08, 2019, 01:59:46 PM »

E.   3 !C As loath as I am to take one of the BWS suggested bids, the suit and values are right for an invitational club bid.

Funny!  ;D Exactly my thinking.

Every time I read the little notation explaining options below the auction, I get sucked in and bid it. Well, maybe not every time, but every time I do, it turns out poorly.

544
IAC & Master Solvers Club / Re: Master Solvers Club - November 2019
« on: October 08, 2019, 12:03:13 PM »
Initial thoughts:

PROBLEM A: 3 !H . I see this as a slight variation on The Bridge World Death Hand. Six of my suit, three of partner’s major. Extras. My support for partner’s major, however, is so poor that the space eating 3 !H gets my vote. It’s descriptive of my length. It nails my point range. My second choice would be a flexible 2 !C .
[Added] Now that I think of it, 2 !H (admittedly a super-max) has merit. A distant third fourth choice is 2 !S .

PROBLEM B: 2 !C . Too much to pass. Not enough to force. Raising partner on !S Qx does not interest me.

PROBLEM C: 3 !S . I would not have objected to a downgraded opening of 1NT, but we’re past that. Obviously, I intended to rebid 2NT over any 1-level response. It is a very notrumpy hand. Do I continue with my original plan to rebid 2NT despite the lack of a full heart stopper? I think not. I’m not going to stay wedded to my original plan if the auction steers me in another direction.

What about the spades? Partner’s 1 !S should promise at least five. Do I ignore the “fit”? Although a jump rebid somewhat implies four card support, since partner now promises five, does that still hold?

Another option, and the most flexible, would be to cuebid 2 !H , however, subsequent bids (like delayed spade support to show 3 rather than 4) are game-forcing. Does this hand merit a game force? Is the added flexibility of 2 !H worth the overbid?

PROBLEM D: 3 !C . This one really stumps me. These two-part questions get me every time. First question, how strong am I? 6-5 come alive? Maybe. An immediate 3 !H is pushing it. If I were to bid hearts, I’d go through 2NT first. But an immediate 3 !C , while very pushy, is flexible. It’s forcing and has the added benefit that it may uncover a !H fit, so 3 !C it is. Anyway, that’s my thinking.

PROBLEM E: 3 !C . Systemic. Part of BWS. What else? (Every time I think this I'm wrong.)

PROBLEM F: Pass. I think partner is probably 5-5 for this 2 !D rebid. I’m banking on it with this pass.

PROBLEM G: 2 !D . I could just as easily go with Pass. This is a coin flip for me.

PROBLEM H: !C 2 . Garozzo.

I’ve not pulled the trigger yet. Will probably do so this evening if I have the opportunity to review once more.

Submitted. Stayed with my initial choices above.

SOLUTIONS FOR:
Todd Holes
Glen Ellyn IL
U.S.A.

PROBLEM A: 3 Hearts
PROBLEM B: 2 Clubs
PROBLEM C: 3 Spades
PROBLEM D: (d)
PROBLEM E: 3 Clubs
PROBLEM F: Pass
PROBLEM G: 2 Diamonds
PROBLEM H: Club 2


545
IAC & Master Solvers Club / Re: Master Solvers Club - November 2019
« on: October 05, 2019, 06:02:49 PM »
PROBLEM H: !C 2

Garozzo's rule.

546
2/1 Talk / Re: Australian Bridge Bidding Forum
« on: October 01, 2019, 06:21:43 PM »
October Scores:

Q1: 2D.    100
Q2: 2NT.   100
Q3: 1H.      90
Q4: Pass.  100
Q5: 3H.     100

                490

Pretty good month. On Q3, I went low, which being a down-the-middle bidder I tend to do. Waiting for panel commentary.

547
Sleight of Hand / Re: Your call?
« on: September 20, 2019, 01:30:16 PM »
Jack, I somewhat expected a hand like this, simply because you posted it. But it does not change my view. At the table--I pass.

Preempts work.

[Added] I do think it's an interesting hand as shapely hands often are. So I created a BW poll to satisfy my curiosity. Will report back in a day or so after some numbers roll in.

[Added later]
A moderate sampling, 52 votes so far, but enough to report.

What is most significant to me is not so much the numbers, but the people who voted. In each of the three bids people chose there are outstanding players. I often look at not the numbers, but who voted. Pass and 4 !H both garnered world-class player votes.

As of this writing there are the three bids we expected:
Pass = 37%
4 !H = 40%
Dbl  = 23%


548
Sleight of Hand / Re: Your call?
« on: September 19, 2019, 11:34:18 AM »
Pass =    10
Double =  4
4 !H =      2

Preempts work. Although I have great shape, I'm about an Ace short to take action. There's no guarantee partner doesn't have a stiff !H and my LHO the missing !H honors behind me.

549
IAC Matters / Re: IAC rules
« on: September 18, 2019, 07:27:46 PM »
BWS says Texas is on if the interference is 4 !C or less, Mike Lawrence says it is on if the interference is 3 !C or less, partner was thinking it was off over any interference. I can't think of any reason to play it as off over 2 level interference but at any rate what is really wrong is to play a convention without agreeing as to when it is on and when it is off.
I remember reading this treatment in BWS recently. I was surprised that BWS played it through 4 !C, thinking that my understanding (through 3 !C) was "standard." Not necessarily!

My guess is simply for simplicity' sake, since limiting Texas to the lower threshold opens up a handful of two-suited calls, which offers more flexibility but also more memory strain. 

To satisfy my curiosity, I checked the BWS Polls, Changes and Additions. The Texas over interference treatment is new, not a change, and was apparently not mentioned in BWS 2001.

  1502. After an overcall of a one-notrump opening, Texas (four-level) transfers should apply if the overcall was no higher than . . .
A. four clubs [48]
B. three notrump [1]
C. three of a suit [5]
D. three clubs [46]
E. the two-level 0
F. one notrump (i.e., never applies) 0
   System addition: After an overcall of a one-notrump opening, Texas transfers apply if the overcall was no higher than four clubs.

So the "vote" was close.

550
IAC & Master Solvers Club / Re: Master Solvers Club - October 2019
« on: September 17, 2019, 11:26:44 AM »
My Bridge World arrived so I've added some panel opinions below.

The director for October was Kit Woolsey.

A few snippets from the panel:

PROBLEM A: Pass was the majority panel choice. Our IAC forum solvers were pretty much in line with the panel vote for Pass. Danny Kleinman stated it best with, “Not expecting to be able to run clubs, I don’t like my prospects for nine tricks quickly enough to make three notrump; so, with two ace I’ll hope for a moderate penalty, trusting North to have ample high cards.”

Kit summarized with, “One of the problems with bidding anything is that even if there is a better spot than defending against three diamonds doubled, we might not find it. That is often a good reason to pass a takeout double of a preempt when there is no attractive alternative.”

PROBLEM B:!D . This was a landslide majority. Kit started off with, “The obvious five-diamond bid speaks for itself,” later asking, “What’s the problem?”

Darn it! Not so “obvious” to me.

Kit’s words pretty much summarized everyone else’s. But Bobby Wolff quipped, “I love two-suiters, especially when both suits are only one.” Yup! 😊

PROBLEM C: 2NT. Although 2NT was the plurality panel choice (as well as the IAC forum), there was plenty of dissention on this one. Kit states, “Yes, the singleton club is the big flaw. A five-four heart fit can be located, and three-notrump might be better than a five-three heart fit. However, if West leads a club and partner doesn’t have the suit well-stopped, nothing will save the notrumpers.”

PROBLEM D:!D . The runaway panel choice, receiving 19 of 27 votes.

I went with 1NT after long contemplation. A flip of the coin, which did not pan out as planned.

Kit: “It is true that South has a great heart holding for notrump. Otherwise though, there is nothing about the hand that looks like notrump. A singleton. A broken six-card suit that will take time and entries to establish. If this is a part-score deal, diamonds figures to play a lot better than notrump.”

PROBLEM E:!S . Universally considered a game-force, which was part of our forum discussion. Maybe I'm wrong but, I'm not sure that everyone on our forum understood the GF nature of this bid, so this was a good "what means what" moment.

Kit: Opining about 2 !S , “I don’t get it, isn’t that game-forcing?” (Kit obviously disagreed with the GF strength evaluation by bidding 2NT).

Karen McCallum: “A slight overbid (game-forcing), but this is our best shot at reaching the right strain.

Zia: “Confucius: better to overbid a little than underbid a lot.”

There were several other 2 !S bidders who slipped in comments alluding to the fact that it was a mild overbid, but the flexibility (also expressed by some of our forum) made up for the mild over-evaluation.

PROBLEM F: Double | Double. A wide variance on this one, which makes sense since it was a two-parter.

Kokish (with Bramley, Berkowitz, and Robinson) believed the Double | Double route to be the most flexible. Kit disagreed stating, “Double then double may seem more flexible, but that is an illusion. Unless partner happens to have an unlikely spade stack, how will he know whether or not to pass? . . . Bidding five diamonds may leave only two options, but these are likely to be the right ones.”

PROBLEM G: 3 !D . Kit summarized with, “If the choice were between pass and five clubs, I would agree that bidding is the percentage action. But there are other options. As long as South makes a forcing bid, five clubs won’t run away. (Exactly!) Three-notrump or even five diamonds might be the best game. Probing does little damage. . . . It must be better to try to find the best game . . . .

PROBLEM H: LOW !S . A low !S received 10 panel votes, a low !C received 9. Close – hence the close scores of 100 and 90 respectively. 
There was wide agreement that dummy showed a 4=3=1=5 with roughly 16 HCP.

Although there were a few who chose the !H King, Karen McCallum voiced the negatives for that lead best with, “Partner probably has five hearts but not enough strength to establish and run the suit, even if the hearts are strong.” Kokish, however, had other ideas, choosing the !H K with the following, “Likely to be productive to lead North’s five-card suit rather than to guess which black suit card will not concede a trick.” Good point! 

That's all folks!
Attempting to reproduce all the panel responses would take forever, however, if you have a question about a particular problem and how the panel voted, just ask.

551
2/1 Talk / Re: Australian Bridge Bidding Forum
« on: September 14, 2019, 02:27:34 AM »
October Guesses:

Q1: 2D. Showing extras?
Q2: 2NT. The spade honors are poorly placed, but going low with 1NT is timid. They pay a game bonus at Matchpoints, too. Maybe partner has enough to cooperate.
Q3: 1H. I count 16 HCP but it's worth about 13. So as ugly as that heart suit is, I bid it.
Q4: Pass. WTP?
Q5: 3H. I wish we were using that 3M gadget by opener to show a 4=6 hand. Lacking that, I'll give partner what little information I can.
To pass would be masterminding.

552
Sleight of Hand / Re: What is your line?
« on: September 13, 2019, 03:00:13 PM »
Yeah, the 6-0 !D split (around 1% a priori) is not on my radar.

The bad !S break is equally possible, yes? Maybe this "super-safe" play is best? But I'd want to see the math on it. 

553
Sleight of Hand / Re: What is your line?
« on: September 11, 2019, 10:18:15 PM »
Win the !C withe A, !S 3 to the Q.

Small !D to the A.

This.

No !D finesse.

554
IAC & Master Solvers Club / Master Solvers Club - November 2019
« on: September 11, 2019, 06:40:15 PM »
NOVEMBER MSC

Deadline: October 10 at 9:00 a.m. (ET)

Submit your November responses here: https://www.bridgeworld.com/indexphp.php?page=/pages/msc/mastersolversmainpage.html

BWS 2017 System: https://www.bridgeworld.com/indexphp.php?page=/pages/readingroom/bws/bwscompletesystem.html

BWS 2017 POLLS, CHANGES AND ADDITIONS: https://www.bridgeworld.com/indexphp.php?page=/pages/readingroom/bws/bwspolls2017.html 
  • (This page shows (1) the results of the panelist polls that were used to adjust the system; and (2) the changes in and the additions to Bridge World Standard 2001 (BWS2001) that were made.
       In the listings of the questions and answers, an asterisk indicates the BWS2001 agreement; the proportion of the expert votes for each item, rounded to the nearest percent, is shown in brackets
    .)


PROBLEM A: Matchpoints. Nil Vul. You hold:
!S J94 !H AKT642 !D 9 !C AK8
Auction to you:
(P) – P – (P) – 1 !H
(P) – 1 !S – (P) - ??
What call do you make?

PROBLEM B: IMPs. E/W Vul. You hold:
!S Q3 !H Q4 !D QJ98 !C KQ743
Auction to you:
(1 !H) – 1 !S – (P) - ??
What call do you make?

PROBLEM C: IMPs. N/S Vul. You hold:
!S J52 !H J84 !D AKQ !C AKT9
Auction to you:
1 !C – (1 !H) – 1 !S – (P)
??
What call do you make?

PROBLEM D: Matchpoints. E/W Vul. You hold:
!S 2 !H KT876 !D 8 !C KT8642
Auction to you:
1NT – (2 !S) - ??
What call do you make?
(a) double
(b) 4 !D (BWS: Texas)
(c) 3 !H (BWS: forcing)
(d) 3 !C (BWS: forcing)
(e) 2 NT (BWS: lebensohl), then, after (Pass) - 3 !C - (Pass) - ?
     (e1) Pass
     (e2) 3 !H

PROBLEM E: IMPs. Nil Vul. You hold:
!S K2 !H 743 !D 93 !C AK9876
Auction to you:
1 !D – (P) - ??
*BWS: 2 !C = GF. 3 !C = Invitational
What call do you make?

PROBLEM F: IMPs. N/S Vul. You hold:
!S K52 !H 63 !D J87 !C AQT72
Auction to you:
— (—) — (P)
P – (1 !D) – 1 !H – (1 !S)
X* – (XX)! – 2 !D§ – (P)
??
What call do you make?
Note: * !C with !H tolerance
! Support = three !S
§ Natural by agreement

PROBLEM G: IMPs. E/W Vul. You hold:
!S AT92 !H 9 !D KQT52 !C T54
Auction to you:
P – (1 !C) – 1 !H – (P)
??
What call do you make?

PROBLEM H: Matchpoints. Both Vul. You hold:
!S 2 !H KJ95 !D K765432 !C 2
Auction:
P  –  (1 !C) – 1 !H – (4 !S)
5 !H – (X)  –   P  –  (5 !S)
P   –   (P)   –  X  – All pass
What is your opening lead?


Good Luck!

P.S. Panel answers and scores are usually published the same day as the deadline.

555
IAC & Master Solvers Club / Re: Master Solvers Club - October 2019
« on: September 10, 2019, 06:08:01 PM »
SOLUTIONS FOR:
Todd Holes
Glen Ellyn IL
U.S.A.

PROBLEM A: Pass.              100
PROBLEM B: 3 Notrump.       50
PROBLEM C: 2 Notrump.     100
PROBLEM D: 1 Notrump.       70
PROBLEM E: 2 Spades.       100
PROBLEM F: Double | Pass.   70
PROBLEM G: 3 Diamonds.   100
PROBLEM H: Club 6.            90

                                           680

Nothing shocking. I am, however, mildly surprised that 3NT did not garner more support from the panel on problem B. But I suspected that might be the case. I'm curious how the panel voices their strong preference. Presumably, it's due to the preemptive nature of the bid. What else?

I wonder, too, about problem D. I chose 1NT over my original thought of 2 !D because I was unsure how BWS treats 2 !D there. I like it to show a tolerance (Qx or better?) for partner's suit, but could not find this mentioned in the system. The panel's thinking will interest me here. Contested auctions and "what means what" can get rather convoluted.

ToasterLn, by the way, rocked this month with a 740. Nice score!  :) 

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