Highly unusual method
Encyclopedia
Highly unusual methods is a class of contract bridge
bidding system
s defined by the World Bridge Federation
. Usually these are artificial systems that require advance preparation to contend with, and are restricted to the highest levels of tournament play in most locations. These systems are designated by a yellow sticker, and are more regulated than brown sticker
conventions.
The current definition of the WBF lists the following HUM:
With the exception to the above being an opening of one of a minor in a strong club or strong diamond system.
Contract bridge
Contract bridge, usually known simply as bridge, is a trick-taking card game using a standard deck of 52 playing cards played by four players in two competing partnerships with partners sitting opposite each other around a small table...
bidding system
Bidding system
A bidding system in contract bridge is the set of agreements and understandings assigned to calls and sequences of calls used by a partnership, and includes a full description of the meaning of each treatment and convention...
s defined by the World Bridge Federation
World Bridge Federation
The World Bridge Federation is the world governing body of contract bridge. The WBF is responsible for world championship competition, most of which is conducted at a few multi-event meets on a four-year cycle...
. Usually these are artificial systems that require advance preparation to contend with, and are restricted to the highest levels of tournament play in most locations. These systems are designated by a yellow sticker, and are more regulated than brown sticker
Brown sticker
Brown sticker is a category of contract bridge conventional agreements defined by the World Bridge Federation .Brown sticker conventions are considered, by some, to be difficult to defend against, and thus are only permitted at the highest levels of tournament play in most locations...
conventions.
The current definition of the WBF lists the following HUM:
- A Pass in the opening position shows at least the values generally accepted for an opening bid of one, even if there are alternative weak possibilities
- By partnership agreement an opening bid at the one level may be weaker than pass.
- By partnership agreement an opening bid at the one level may be made with values a king or more below average strength.
- By partnership agreement an opening bid at the one level shows either length or shortage in a specified suit
- By partnership agreement an opening bid at the one level shows either length in one specified suit or length in another.
With the exception to the above being an opening of one of a minor in a strong club or strong diamond system.