Acol is a natural system of bidding, meaning that your bidding is normally a declaration of your holding and not some coded message. The first thing you need to. This Acol bridge crib sheet is ideal for beginners. Have it handy while you are playing your bridge games! The left hand column shows Opening Bids. The middle. A quick overview of Standard and Acol bidding systems and how to choose which one to play.

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It is common in the British Commonwealth but rarely played in North America. This page was last edited on 6 Decemberat There are six special opening bidving which are quite closely defined, and one wide-ranging opening bid:. This was the first Acol textbook, its authors wisely disclaiming originality: The Official Encyclopedia of Bridge 7th ed.

Acol – Wikipedia

The first book on the system was written by Ben Cohen and Terence Reese. It can be compared to a living language since it is liable to change at ststem whim of users. Stoppers are cards that you believe will eventually win a trick within a few rounds of play of that suit.

Simon and Jack Marx became interested in Bridge bidding theory at a new level. The fourth edition introduced three new chapters on competitive bidding, mistakes to avoid, and two clubs over one no-trump the Marx or Stayman convention. The weak No Trump is applied when the players are not vulnerable. For hybrid systems using the weak NT opening with one or both five-card majorsa different terminology is preferable.

List of bidding conventions. As a precaution always make a quick review of the convention chart to ascertain the 1 No Trump range s. If you hold three four card suits, bid the suit below the singleton, unless it’s clubs in which case bid hearts.


With a strong hand but uncertain whether a game contract is on or which game it should be, he can use fourth suit forcing to obtain further information. If you have two biddable suits of different lengths, bid the longest suit first. The Acol System is used by many bridge players around the world, and is employed mainly in British tournament play.

The range of the values of the No Trump bid may vary considerably depending on the state of vulnerability and sometimes even on the opening seat. Out of these conversations—surely a strange gestation—was born Acol as we know it and play it to-day.

The Acol Bidding System

The original No Trump range was high card points, but this range has also been reduced to high card points. Evaluating your Hand In order to bid accurately, you need to biddung able to value your hand. Balanced hands are hands that contain no singletons or voids and a maximum of one doubleton. Counting Points for Length There are various methods for counting length, some always count just long suits, others count short suits and the one implemented in WolfBridge counts long qcol when declaring a new suit, but counts shortages when responding to partners suit.

Further Reading More detailed information about the acol bidding system can be found in the following web pages: Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. The strong No Trump is applied when the players are vulnerable.

In addition to counting high card points and length, some strong hands are better count purely based on how many tricks you believe you can make, assuming an even distribution of the rest of the cards. Jump overcalls promise at least 6 cards, but may be played as weak, intermediate or strong. With a balanced hand you should be looking at opening in NT.


No Trump hands are balanced hands, containing a maximum of one doubleton, no singletons or voids and stoppers in at least three suits.

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 systej must be made known to them according to the Laws of Duplicate Contract Bridge. Introduction Bidding starts with the dealer and continues around the table in a clockwise direction until three consecutive players have announced “No Bid”, at which time the auction is over and the game progresses to playing the cards.

The Acol System was the brain-child of various bridge players, among whom were Mr.

For long suits count an extra point for the fifth card in any suit and every card beyond. When the opening bidder, bids for the second time, that is referred to here as the “Rebid”. Culbertson had used some early version of the 4 No Trump bid today commonly known as known as the Blackwood convention. There are a total of 40 points in the entire pack of cards 10 per suittherefore an average hand will contain 10 points.

In order to bid accurately, you need to be able to value your hand.