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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A strong, artificial 2 Clubs opening bid means an artificial strong opening and is forcing to 2 No Trump. 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.

Both limit raises and No Trump responses are generally not game-forcing in the basic form of the Acol bidding system. Once a partnership have opened the bidding, if the opposition also start bidding, that is known as intervening bidding.

By using this site, you agree to the Terms of Use and Privacy Policy. Acol is an unregulated system. Also, any bridge player interested in the Acol bidding system has a large selection of publications, which deal solely with this approach. Following are several basic guidelines, conventional methods, and approaches, which are employed in the basic Acol System.

As well as high card points, when playing with an unbalanced hand, some additional points are given for length, as obviously even small valued cards can be winners when they are the trump suit. 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. Acol also includes a light opener, for hands that have merit from shape more than HCP’s. List of bidding conventions.


American Contract Bridge League. With a balanced hand you should be looking at opening in NT. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. The English Bridge Union. They are avol usually bid third in play after two No Bids, as in that position you might be concerned that fourth in play could have a very strong hand. Views Read Edit View history. The first book on the system was written by Ben Cohen and Terence Reese. The Acol System was the brain-child of various bridge players, among whom were Mr.

Biddign response shows about 11 high card points. Simon and Accol Marx became interested in Bridge bidding theory at a new level.

Bridge – The Acol Bidding System – Bidding

In order to bid accurately, you need to be able to value your hand. Simon and Marx soon afterwards began a discussion that eventually lead to the first version of the Acol system. Backwash squeeze Cannibal squeeze Clash squeeze Compound squeeze Criss-cross squeeze Double squeeze Entry squeeze Entry-shifting squeeze Guard squeeze Knockout squeeze Non-simultaneous double squeeze Progressive squeeze Pseudo-squeeze Saturated squeeze Simple squeeze Simultaneous double squeeze Single-suit squeeze Squeeze play Stepping-stone squeeze Strip squeeze Triple squeeze Trump squeeze Vice squeeze Winkle squeeze Suit combinations: If you hold two biddable suits of equal length, bid the highest suit first, unless they are spades and clubs, in which case bid the clubs first.

Further Reading More detailed information about the acol bidding system can be found in the following web pages: The following is a brief summary of the Standard Acol of the early to mids. From Wikipedia, the free encyclopedia.

The Acol Bidding System

Out of these conversations—surely a strange gestation—was born Acol as we know it and play it to-day. Suits are biddable when you hold a length of four cards headed by at least one honour card or you hold five or more cards.

This is also an area often debated, as some people would never open on a suit as bad as Jxxx or just five rags! The partner may not have passed previously when this bid is applied. The first thing you need to do before bidding is evaluate your hand. Unbalanced hands or hands that otherwise don’t fit the criteria for bidding NT should be opened with a suit. The original No Trump range was high card points, but this range has also been reduced to high card points.


Balanced hands are hands that contain no singletons or voids and a maximum of one doubleton. Quick Tricks are tricks that you can play and win without losing any rounds, so AKJxx counts only for 2 tricks. Acol is the bridge bidding system that, according to The Official Encyclopedia of Bridge[1] is “standard in British tournament play and widely used in other parts of the world”.

Having evaluated your hand, you should then bid the strongest bid that fits your hand.

List of bridge people with Wikipedia english articles List of bridge administrators List of bridge writers. With a strong hand but uncertain whether a game contract is on systsm which game it should be, he can use fourth suit forcing to obtain further information.

The strong No Trump is applied when the players are vulnerable. Jump overcalls promise at least 6 cards, but may be played as weak, intermediate or strong. The modern approach is to use the 2NT rebid as forcing sjstem use 3NT as 15—17 with support for the minor that responder has bid one option.

This is known as the Playing Trick count.

Basic Acol Bidding System

Sometimes this is an obvious calculation, eg. Evaluating your Hand In order to bid accurately, you need to be able to value your hand. The following list shows the more usual opening bids in descending order of strength.