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Re: What's wrong with the Roth point count?

by Stig Holmquist <stigfjorden@[EMAIL PROTECTED] > May 3, 2008 at 08:44 PM

On Sat, 3 May 2008 17:02:32 -0700 (PDT), Histriadogsilver
<andjelka.richter@[EMAIL PROTECTED]
> wrote:

>On May 4, 1:28 am, Stig Holmquist <stigfjor...@[EMAIL PROTECTED]
> wrote:
>> On Sat, 3 May 2008 10:53:59 -0700 (PDT), Histriadogsilver
>>
>>
>>
>> <andjelka.rich...@[EMAIL PROTECTED]
> wrote:
>> >On May 3, 2:06 am, OldPalooka <ashut...@[EMAIL PROTECTED]
> wrote:
>> >> On May 2, 5:19 am, Stig Holmquist <stigfjor...@[EMAIL PROTECTED]
> wrote:
>>
>> >> > On Thu, 1 May 2008 18:30:36 -0700 (PDT), Andrew
<agump...@[EMAIL PROTECTED]
>
>> >> > wrote:
>>
>> >> > >On May 1, 4:42 pm, Stig Holmquist <stigfjor...@[EMAIL PROTECTED]
>
wrote:
>> >> > >> On Thu, 1 May 2008 14:49:25 -0700 (PDT), Andrew
<agump...@[EMAIL PROTECTED]
>
>> >> > >> wrote:
>>
>> >> > >> >On May 1, 4:35 am, Stig Holmquist <stigfjor...@[EMAIL PROTECTED]
>
wrote:
>> >> > >> >> Forty years ago two oustanding bridge players, Alvin Roth
and Jeff
>> >> > >> >> Rubens, wrote the book 'Modern Bridge Bidding Complete".
>> >> > >> >> It featured the Roth Point count Method.
>>
>> >> > >> >> This method is similar to the British combination
distributuin count.
>> >> > >> >> It is based on the standard Work  point count for HCP plus
Goren's
>> >> > >> >> short suit count of 1,2 and 3 for ddoubletons, singletons
and voids
>> >> > >> >> resp. but also adds points for suits longer than five cards.
>> >> > >> >> Specifically it counts 1 pt for each card over five for any
major suit
>> >> > >> >> but counts such length points only for "good" minor suits
having at
>> >> > >> >> least two  of the top three honor cards.
>>
>> >> > >> >> Has any r.g.b. member ever used this method and if so, what
are its
>> >> > >> >> shortcomngs? It specifically does not count quick tricks.Why
is this
>> >> > >> >> method never mentioned any more?
>>
>> >> > >> >> Stig Holmquist
>>
>> >> > >> >The same things that are wrong with all the antiquated point
count
>> >> > >> >methods you have brought up here:
>>
>> >> > >> >1. The HCP values used are inaccurate
>>
>> >> > >> >2. The system pretends that high cards have the same value in
suits
>> >> > >> >and in no trumps
>>
>> >> > >> >3. The distributional values used are inaccurate
>>
>> >> > >> >4. The system pretends that length in any suit is of equal
value, when
>> >> > >> >major suit length is worth more than minor suit length
>>
>> >> > >> Yes, you focused on the most glaring shortcoming of short suit
counts.
>> >> > >> The primary goal of bidding is to locate an 8-fit in a major
suit. Thus
>> >> > >> I can see no value in shortness in the majors.
>>
>> >> > >Amend that to "little" or "significantly less" value and I agree
with
>> >> > >you.
>>
>> >> > >> If anything it is a
>> >> > >> deficit and should not be used to add value to a hand. I would
go as
>> >> > >> far as saying count no length points for minor suits for
opening bids.
>> >> > >> Depend solely on HCPs when opening a minor suit bid. Your HCP
is the
>> >> > >> only asset you have. E.g. holding 5-5 in the minors would today
add 2
>> >> > >> points to the HCP count but seems to be an overvaluation.
>>
>> >> > >Actual in R+R wouldn't you add 5 points for that shape? 2 for the
>> >> > >singleton, 1 for the doubleton and 1 for the 5th card in each
minor?
>> >> > >But yes, when you think of your goal as getting to a game
contract,
>> >> > >then adding 5 distribution points seems excessive.
>>
>> >> > >Never counting for major suit shortness distribution would be too
>> >> > >much. For example as opener suppose you hold: x, x, AQxxxx,
KJxxx. A
>> >> > >minor game is cold opposite a dull 7-count: xxx, xxxx, Kxxx, Ax.
So
>> >> > >the distribution clearly should be counted.
>> >> > >When teaching bridge to beginners, which is my main concern here,
I don't worrry about freak deals,
>>
>> >> > such as your 1-1-6-5 hand above. By freak deals I mean hands with
less
>> >> > than 1 per 10 000 frequecies. As a player of modest ability I
would
>> >> > probably apply the Bergen count of 20(22) to that hand and open
1D.
>> >> > By std. ACBL valuation the hand is worth 13 points and is an 
opener.
>>
>> >> > By the Roth count is is worth 15 points, 10 HCP + 1 for length
+2x2
>> >> >  for singletons and would seem to be fit for an opening bid. Thus
1/3
>> >> > of the total point value is in distribution, which seems
excessive.
>>
>> >> > Stig.
>>
>> >> > >But in more normal cases, counting for major suit shortness seems
>> >> > >dubious. With borderline opening values like this: x, Kxx, Kxxx,
AJxxx
>> >> > >game potential is relatively low and there will be rebid
problems--I
>> >> > >would pass. Change the hand to this: AJxxx, Kxxx, Kxx, x and its
an
>> >> > >automatic opener. You could represent that difference by counting
for
>> >> > >the singleton in the second example but not in the first.
>>
>> >> > >However, I am not sure how to formulate when to count/not count
as a
>> >> > >clear rule for students. Another way to describe a rule for
students
>> >> > >is to set different thresholds for opening in a minor or a major.
For
>> >> > >example, perhaps a major suit can be opened when the combined HCP
and
>> >> > >DP is 13+, while a minor suit opening requires either an HCP of
13+
>> >> > >HCP or a combined HCP + DP of 15+.
>>
>> >> > >Andrew
>>
>> >> After a diamond fit is revealed Goren would reevaluate opener to 17,
>> >> and responder to 9.  Yet it is almost a claimer for 5D with *more
than
>> >> half the tricks won by x's*(normally requiring 28-9 combined Goren
>> >> points for a ~50% play).  What is a distributional count supposed to
>> >> do if not help you estimate what your x's are worth in trick taking
>> >> potential.  The reason this hand is only worth 1/3 of its weight in
>> >> distribution points before any others have bid is that you normally
>> >> don't buy such a fine fit; you will only be able to take 3-4 tricks
>> >> with x's instead of 6.  But if you take 3 tricks with high cards and
4
>> >> tricks with x's, how much of your count should be reckoned as
>> >> distributional?
>> >> Yet you may end up defending with a shaky 2 QT, and partner may
never
>> >> stop bidding majors, so the original count [estimate of value] has
>> >> some built in conservatism, not excessive exuberance like you would
>> >> represent it.
>>
>> >> You hold S:AKQJT98765432.  Perhaps you judge your suit is self
>> >> sufficient in advance, so you get 10 HCP, 9 DP (3 voids), and 17 LP
(1
>> >> for 5th, 2 each for other 8) using Goren's count.  Much more than
>> >> Roth, n'est-ce-pas?.  Do the 70% distributional points seem like too
>> >> many?
>>
>> >> == Bill Shutts
>>
>> >For the record, RP points are getting to the right estimation even
>> >with this hand: AKQJT98765432 = 3+2+1+ ( 0.5 unnecessary) + 3 voids or
>> >9 points + 9 additional points for obviously working voids = 6.5 + 18
>> >= 24.5 RP's or 13 tricks ( 24 RP's are enough for 13 tricks). It is
>> >just amazing how a simple hand evaluation method can have a good
>> >estimation on so many hands and yet not recognized.
>>
>> >Boris
>>
>> So the Roth method helps you when you don't need help. Big deal. Maybe
>> it also helps with other highly distributional hands since it counts
>> point for shortness.
>>
>> But how does it help with balance hands, which make up 46.7 % of all
>> hand patterns? Wher does it give you the needed 14 points? E.g. take a
>> 4-3-3-3 hand with thee Aces or a 5-3-3-2 hand with AK in one suit and
>> A in a second suit. Where do you find 14 pts?
>>
>> I teach beginners to add HCP + QT +LP for a total point count and if
>> it ccomes to 15 they have an opener. It works for every hand I can
>> imagine. Is my imagination missing something?
>>
>> Stig
>
>It looks like I will have to rename those once again in RiP points,
>since no one seems to be interested really:-)
>
>Boris

I thought this post was about Roth point cont not Richert or whatever
his name is. I've never heard of him. Stich to the subjedt at hand.

Stig
 




 66 Posts in Topic:
What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-01 07:35:30 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-01 05:27:52 
Re: What's wrong with the Roth point count?
Kevin Podsiadlik <KPod  2008-05-01 13:44:32 
Re: What's wrong with the Roth point count?
paulhigh@[EMAIL PROTECTED  2008-05-01 07:22:20 
Re: What's wrong with the Roth point count?
Otis Bricker <obricker  2008-05-01 11:32:46 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-01 09:39:50 
Re: What's wrong with the Roth point count?
OldPalooka <ashutts1@[  2008-05-01 10:33:02 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-01 10:57:56 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-01 14:55:26 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-01 18:45:30 
Re: What's wrong with the Roth point count?
StevieTee <stevts@[EMA  2008-05-01 11:57:23 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-01 16:14:28 
Re: What's wrong with the Roth point count?
gearem@[EMAIL PROTECTED]   2008-05-01 17:54:07 
Re: What's wrong with the Roth point count?
"raija d" <m  2008-05-02 07:03:20 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-01 14:49:25 
Re: What's wrong with the Roth point count?
Martin Ambuhl <mambuhl  2008-05-01 18:42:07 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-01 19:42:14 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-01 16:48:23 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-01 18:30:36 
Re: What's wrong with the Roth point count?
Martin Ambuhl <mambuhl  2008-05-02 01:07:09 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-02 08:19:38 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-04 05:26:28 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-04 10:49:28 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-04 18:37:24 
Re: What's wrong with the Roth point count?
Bob Lipton <boblipton@  2008-05-04 19:12:09 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-05 06:29:00 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-01 19:47:03 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-01 19:56:09 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-02 01:35:15 
Re: What's wrong with the Roth point count?
Martin Ambuhl <mambuhl  2008-05-02 15:12:44 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-04 08:04:15 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-04 09:39:46 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-04 10:01:18 
Re: What's wrong with the Roth point count?
OldPalooka <ashutts1@[  2008-05-05 06:19:53 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-02 08:25:46 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-02 12:53:00 
Re: What's wrong with the Roth point count?
Martin Ambuhl <mambuhl  2008-05-02 16:40:25 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-03 06:32:01 
Re: What's wrong with the Roth point count?
Martin Ambuhl <mambuhl  2008-05-03 12:32:11 
Re: What's wrong with the Roth point count?
OldPalooka <ashutts1@[  2008-05-02 17:06:27 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-03 10:53:59 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-03 19:28:49 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-03 16:53:08 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-03 17:02:32 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-03 20:44:07 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-03 17:46:40 
Re: What's wrong with the Roth point count?
Andrew <agumperz@[EMAI  2008-05-03 18:31:57 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-04 07:03:49 
Re: What's wrong with the Roth point count?
StevieTee <stevts@[EMA  2008-05-04 00:52:37 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-04 07:05:54 
Re: What's wrong with the Roth point count?
"raija d" <m  2008-05-04 08:45:47 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-04 05:32:08 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-04 05:40:58 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-04 14:22:52 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-01 16:21:40 
Re: What's wrong with the Roth point count?
Bob Lipton <boblipton@  2008-05-01 20:58:51 
Re: What's wrong with the Roth point count?
Histriadogsilver <andj  2008-05-01 18:20:20 
Re: What's wrong with the Roth point count?
Bill Jacobs <bill.jaco  2008-05-02 01:04:38 
Re: What's wrong with the Roth point count?
"raija d" <m  2008-05-01 18:27:17 
Re: What's wrong with the Roth point count?
Chris <chriswiggins@[E  2008-05-03 21:43:59 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-03 22:49:56 
Re: What's wrong with the Roth point count?
Martin Ambuhl <mambuhl  2008-05-04 03:43:18 
Re: What's wrong with the Roth point count?
Bob Lipton <boblipton@  2008-05-04 08:12:33 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-06 09:20:00 
Re: What's wrong with the Roth point count?
henrysun909@[EMAIL PROTEC  2008-05-06 07:49:19 
Re: What's wrong with the Roth point count?
Stig Holmquist <stigfj  2008-05-06 12:50:42 

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tan12V112 Fri Jul 25 21:04:20 CDT 2008.