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System Classification WBF

#1 User is offline   Cascade 

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Posted 2010-March-29, 15:22

Just checking that I am not missing something.

The WBF Brown Sticker Classification includes

"Brown Sticker Conventions and Treatments

The following conventions or treatments are categorised as 'Brown Sticker':
a) Any opening bid of two clubs through three spades that:
i) could be weak (may by agreement be made with values below average strength) AND
ii) does not promise at least four cards in a known suit.
EXCEPTION: The bid always shows at least four cards in a known suit if it is weak. If the bid does not show a known four card suit it must show a hand a king or more over average strength. (Explanation: Where all the weak meanings show at least four cards in one known suit, and the strong meanings show a hand with a king or more above average strength, it is not a Brown Sticker Convention.)
EXCEPTION: A two level opening bid in a minor showing a weak two in either major, whether with or without the option of strong hand types, as described in the WBF Conventions Booklet. Defensive measures are permitted for opponents as in 6 below. "

The bold is mine.

A pair is playing for their 2♦ opening:

"0-9 M’s 4/4 up
11-15 4th seat 4♠+5♥
or short ♦"

It is unclear to me whether the "or" just applies to 4th seat or in any seat.

I am assuming "short ♦" means the standard Precision 2♦ hands - 3415, 4315, 4414, 4405.

Is this Brown Sticker?

Or perhaps what interpretations of that convention card disclosure make this Brown Sticker?
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#2 User is offline   Gerben42 

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Posted 2010-March-29, 15:36

I think they are playing:

1st to 3rd: both majors weak
4th: flannery or 3-suited short ♦

If in 4th seat it's 5-4 M or 3-suited without ♦, it must show 13 HCP to not be brown sticker as there is no anchor suit.

In other words, if the 3-suited variation always shows a specific 4-card major (by disallowing for example 4315) you are OK.
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#3 User is offline   Cascade 

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Posted 2010-March-29, 16:03

Gerben42, on Mar 30 2010, 10:36 AM, said:

If in 4th seat it's 5-4 M or 3-suited without ♦, it must show 13 HCP to not be brown sticker as there is no anchor suit.

I don't think this is what the rule says as the bid cannot be weak.
Wayne Burrows

I believe that the USA currently hold only the World Championship For People Who Still Bid Like Your Auntie Gladys - dburn
dunno how to play 4 card majors - JLOGIC
True but I know Standard American and what better reason could I have for playing Precision? - Hideous Hog
Bidding is an estimation of probabilities SJ Simon

#4 User is offline   helene_t 

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Posted 2010-March-29, 16:12

I think any 2-opening that shows 10+ points is allowed. Mini-roman has no anchor suit.

But this could be 9 points so it's a BSC.
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#5 User is offline   jdonn 

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Posted 2010-March-29, 16:12

I interpret they play the bid as Gerben described.

In the first 3 seats it could be weak but promises a (actually 2) known 4 card suit.

In 4th seat it can not be weak and thus does not need a known 4 card suit.

I don't see this as a BSC.
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#6 User is offline   paulg 

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Posted 2010-March-30, 01:42

jdonn, on Mar 29 2010, 10:12 PM, said:

I interpret they play the bid as Gerben described.

In the first 3 seats it could be weak but promises a (actually 2) known 4 card suit.

In 4th seat it can not be weak and thus does not need a known 4 card suit.

I don't see this as a BSC.

This would be my interpretation too.

However if the "or short diamonds" applies in all seats, then it will be a BSC.

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#7 User is offline   CamHenry 

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Posted 2010-March-30, 07:53

It depends on how they're playing "short diamonds" - if these hands always have 4 spades, for example, then they're clearly out of BS range.
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#8 User is offline   pran 

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Posted 2010-April-05, 01:05

helene_t, on Mar 29 2010, 11:12 PM, said:

I think any 2-opening that shows 10+ points is allowed. Mini-roman has no anchor suit.

But this could be 9 points so it's a BSC.

If there is any weak variants of a 2-opening bid it must hold at least 13 HCP for all variants that do not contain a known suit with at least 4 cards (Unless covered by one of the specific exceptions).

any 2-opening that shows 10+ points is not allowed
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#9 User is offline   paulg 

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Posted 2010-April-05, 01:43

pran, on Apr 5 2010, 07:05 AM, said:

helene_t, on Mar 29 2010, 11:12 PM, said:

I think any 2-opening that shows 10+ points is allowed. Mini-roman has no anchor suit.

But this could be 9 points so it's a BSC.

If there is any weak variants of a 2-opening bid it must hold at least 13 HCP for all variants that do not contain a known suit with at least 4 cards (Unless covered by one of the specific exceptions).

any 2-opening that shows 10+ points is not allowed

If the two-opener does not have any weak options, which means that it guarantees an average hand (10 points), then it is not a BSC whatever it shows.
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#10 User is offline   pran 

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Posted 2010-April-06, 02:29

cardsharp, on Apr 5 2010, 08:43 AM, said:

pran, on Apr 5 2010, 07:05 AM, said:

helene_t, on Mar 29 2010, 11:12 PM, said:

I think any 2-opening that shows 10+ points is allowed. Mini-roman has no anchor suit.

But this could be 9 points so it's a BSC.

If there is any weak variants of a 2-opening bid it must hold at least 13 HCP for all variants that do not contain a known suit with at least 4 cards (Unless covered by one of the specific exceptions).

any 2-opening that shows 10+ points is not allowed

If the two-opener does not have any weak options, which means that it guarantees an average hand (10 points), then it is not a BSC whatever it shows.

Sure, exactly what I implied isn't it? (If there is any weak variants of a 2-opening bid it must ...)
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