Redwood

Redwood conventional The concept of the Redwood conventional method asking for Keycards while making a slam attempt is also a result of an application designated as U.S.P., or Useful Space Principle, conceived by Mr. Jeff Rubens. The principle is defined as the partnership actually assigning meanings to actions, so that the remaining bidding space matches […]

Convention Card

How to Fill Out The New ACBL Convention Card Note: For historical purposes only. Posted early 2000 The ACBL Convention Card is designed to be easier for players to use by making available pertinent information to opponents (a comprehensive overview of your system). It should provide players with a good idea of the methods they […]

Six Ace RKCB

Six Ace Roman Keycard Blackwood The origin of this conventional method is unknown. This conventional method, otherwise known by its abbreviated designation 6A-RKCB or Six Ace Blackwood, (more technically Six Ace Roman Keycard Blackwood), is considered to be a natural extension of the concept known as Roman Key Card Blackwood, whereby the Key Card bidder […]

Asptro

Asptro Convention The origin of this conventional method is unknown. This is a conventional method and borrows elements of both the Aspro convention and the Astro convention, and is considered to be a combination of both. The designation is also a combination of both methods: Asptro-Astro. This conventional method is a defense method employed after […]

Two Under Preempt

Two Under Transfer Preempt This method was devised by Mr. Marty Bergen together with Mr. Larry Cohen and the convention uses a Preemptive Opening as an artificial Preempt at the Two Level and also at the Three Level and higher to indicate a specific suit two ranks higher than the bid suit. This convention allows […]

Crash Convention

The Crash convention was devised by Mr. Kit Woolsey and Mr. Steve Robinson, and is devised as a means to enter the auction with weak two-suited holdings after an artificial 1 Club opening by the opponents. The concept is effective in that the overcall of the intervenor interferes with the line of communication between opener […]

Ingberman Convention

This convention was named for Mr. Monroe J. Ingberman, born 1935 and died 1985, of White Plains, New York, United States, who was a mathematician and bridge player. He was also known for fragment or splinter bids and the Three No Trump response as a forcing Major raise. Words by Professor George H. Sorter – […]

Smolen Convention

This conventional method was originated by Mr. Michael Smolen of Alamo, California, United States (1940-1992). This conventional method is also designated as Smolen Transfers or Smolen Transfer Bids. Under the conditions set forth in the established partnership agreement, both the Stayman convention and the Jacoby Transfer convention are employed after partner has opened 1 No […]

Mexican Two Diamonds

Developed by Mr. George Rosenkranz as a feature of the Romex System, and an opening which has become fundamental in the Romex System. The problem was that a hand containing 18/19-20/21 high card points could be opened with a Dynamic 1 No Trump, showing a balanced holding with six controls or a holding just short […]

Albarran De Nexon Responses

This concept was introduced and devised by Mr. Pierre Albarran, born May 18, 1894, in West Indies and died February 24, 1960 in Paris, France, and Baron Robert de Nexon, born in the year 1892 and died in the year 1967 in Paris, France, in his castle in Haute-Vienne after a long illness. Note: Various […]

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