The origin of this concept is unknown. The guidelines and the requirements are the same as for the Swiss conventional method. This means that the responder has opening values and a 4-card fit in the Major suit opening of his partner. This variation of the Swiss conventional method is relatively easy to remember. The parameters of the concept demand that the cards of the responder must have a definite distribution, otherwise the bid can not be made.

The Singleton Swiss method is also incorporated into the partnership agreement by the bridge players, who agree to employ limit raises. The response is generally limited to a Major suit opening. If the partnership wishes to apply this concept also to any Minor suit opening, then this becomes and individual partnership understanding.

If the first response is 4 Clubs

If the first response to a Major suit opening by the responder is 4 Clubs, then the responder communicates the following information to partner.

1. Good trump controls.
2. No pre-determined trump honors.
3. Two Aces.
4. A singleton.

In order to discover the location of the singleton the opener bids a 4 Diamonds, which inquires as to the location of the singleton.

If the first response is 4 Diamonds

If the first response to a Major suit opening by the responder is 4 Clubs, then the responder communicates the following information to partner.

Two Aces without a singleton.

 

 

If you wish to include this feature, or any other feature, of the game of bridge in your partnership agreement, then please make certain that the concept is understood by both partners. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. Check with the governing body and/or the bridge district and/or the bridge unit prior to the game to establish the guidelines applied. Please include the particular feature on your convention card in order that your opponents are also aware of this feature during the bidding process, since this information must be made known to them according to the Laws of Duplicate Contract Bridge. We do not always include the procedure regarding Alerts and/or Announcements, since these regulations are changed and revised during time by the governing body. It is our intention only to present the information as concisely and as accurately as possible.

 


     
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