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Jack 4.0 - World
Champion Computer Bridge
£51.99
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Upgrades are available for £26.50:
Order Upgrade V2 to V4

Order Upgrade V3 to V4
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Jack (version 4)
- Built in convention cards SAYC, Precision,
Moscito, Acol, 2/1 GF and many others
- Over 80 conventions
- Network play
- Professor Jack analyses your play and
advices.
- Play competition on the virtual bridge
club
- Define computer personalities, adjust
playing strength in detail.
- Many tournaments with frequency charts
included
- True English playing cards by Carta Mundi
- Deals
in tournament, random or controlled by deal profile
- World Champion Computer Bridge in 2001
(Toronto), 2002 (Montreal), 2003 (Menton), 2004 (New York) and 2006 (Verona)
- Multilingual CD with English, Dutch,
French and German
- Possibility to translate the interface to
any other language included
- Compose your own convention card
- Double dummy problem solver
Looks
Jack offers a very user friendly interface. It's
ergonomical interface allows you to relax and enjoy using Jack. If you're not
completely satisfied with the default looks, you have numerous possibilities to
adjust it to your own likings. Settings exist for almost anything: the
colours, the backside of the cards and the shape of the playing table are just a
few examples.
With Jack the pretty playing cards are not only printed on the outside of the
box, but you also play with them on screen. You can choose between English
(international), French, German or Dutch playing cards. The sets are all based
on the Carta Mundi playing cards. You don't like the rounded corners on
the cards? Jack will straighten them for you. If you prefer larger numbers and
letters on the playing cards, Jack offers a special set also.
Ease of use
The fully graphical user interface was
developed by bridge players for bridge players. Jack comes with a manual
so you can sit down and read about the most important features. Above that the
program has a built in interactive help with many examples. The tip of
the day will help you master Jack's possibilities faster.
You decide if you want announcing bids and plays switched on, in which
case you'll hear the voice of Berry Westra.
The program is very friendly. You can play with all cards visible, take back
cards or restart a deal at any time. Settings were not only developed to change
the appearance on your screen but also to adjust Jack's behaviour. You can even
set the tolerance with which Jack has to accept your claims. After you completed
a deal you can have Jack replay the deal and instantly compare your result with
Jack. You can store the bid and play to look it over again at a later moment.
Your own deal annotations can be incorporated and stored with the deal in
Jack.
The powerful deal profile allows you to
generate deals that meet certain criteria. Specifying for example auction,
distributions, combined values for North and South, playing tricks or points
enables you to create almost any situation. Very useful for practising
purposes.
You can even have Jack calculate the statistical probability for any profile.
For example the probability for a 1NT opening.
Each deal has a number. All 53.644.737.765.488.792.839.237.440.000 possible
bridge deals can be generated. You can use this number to generate a specific
deal again. It also ensures you won't play the same deal twice.
Deals can be printed directly to the printer or exported to HTML files.
You can specify in detail what to print (diagram, auction, play, footnotes,
alerts, annotations). The HTML- (internet-) format allows you to directly bring
the information online, look at it in your favourite browser, email it to your
partner or edit it with a word processor.
Inputting a deal is very easy, have Jack show you how he would have bid and
played the deals from you local competition.
Tournaments and competitions
Extensive tournament environment with many
tournaments. Jack offers the functionality to create your own
tournaments. Match Points, imps, imp pairs and more. Just enter the number
of rounds/contestants. Jack will play the tournament for all participants whilst
varying its play to generate the necessary variation in the results. Also almost
any PBN can be converted to a tournament.
The same tournament can be played by more than one user. This enables you to
compare with other people. Neat reports with tournament results can be printed.
To start your own tournaments collection the CD
contains 25 tournaments (totalling over 100 sessions), in which you play
partnering Jack. These tournaments all appeared on Jack's website earlier. New
tournaments will continue to be made available in the future. For more
tournaments the Tournaments
2002 CD with annotated tournaments is on sale.
Extra for Jack 4 are the finals of the last six Worldchampionships Computer
Bridge.
Jack has a built-in virtual bridge club, the
Jack Bridge club, complete with promotion and demotion. You compete with Jack as
you partner amidst computer personalities. There are six different skill levels
(flights) and in a higher flight the computer players will be tougher to beat.
Of course you can specify the length of the competition, the strength of the other
players, and whether your opponents use their own convention cards or yours.
Your goal is to move up the ladder of skill levels. Try to become the champion
of the club!
Bid and play
Jack 3 contains the completely rewritten
bidding and playing engine, used to win the World Championship Computer
Bridge in New York 2004. For the playing strength you can choose from over
30 levels of play with extra options enabling you to change Jack's style of
bidding and playing. The lead system and signal methods are very complete and
adjustable to one's personal likings.
Both during the auction and the play Jack will provide you with hints, if
asked for.
Starting version 3 Jack offers a new method of scoring when playing random
deals: Compensation scoring (also known as Russian Scoring). The
stronger side gets penalty points depending on their combined HCP strength.
Penalties are user adjustable.
You can use Jack to analyze a position, Jack will show what he thinks about it.
Jack has a very extensive convention card
environment. Major convention cards from all around the world are built in,
amongst others: Standard American Yellow Card, Dutch Acol, 2/1 GF, Bridge
World Standard, Jack New York (the exact card that was used in New York
2004), Moscito (a strong club system developed by the Australian
international Paul Marston) and Jack's own convention card. Of course convention
cards for novices are available as well.
Or you can compose your own convention card using adjustable
conventions. Jack now has
over 75 adjustable conventions, recent additions in version 3, amongst others:
Variable 1NT, additional defences against 1NT, Puppet Stayman after 1NT.
Many other bidding additions as well, e.g. you can specify the style of
overcalling you would like Jack to use and it is possible to count an extra
trump when using RKC Blackwood).
In the auction you can choose for Fit points. After discovering a fit it
is good practise to re-evaluate your hand. Jack does this by using fit points.
It is based on Berry Westra's teaching methods of adding and subtracting points
in fit situation. You will quickly learn to correctly re-evaluate your hand in
fit situations. The fit points are entirely user adjustable.
But also from the didactical point of view for
less experienced bridge players Jack 4 has a lot to offer. For example,
directly after playing a deal you can ask Professor Jack what he thinks of your
bidding and cardplay. When he does not agree he explains in detail why so.
Many extra's
- Jack contains the fastest double dummy
solver in the world. Jack will instantly show you how many tricks can be
made with each card.
- Jack is completely multi-lingual,
you can dynamically switch between English, Dutch, French and German. Within
any of the supported languages you can also use the English, Dutch, French
or German playing cards.
If your language is not supported yet, we offer the possibility to translate
the user interface.
- Play with up to four people in a network
at home or over the internet.
- Several scoring methods are supported.
- Printing.
Deals can be printed directly to the printer or exported to HTML files.
You can specify in detail what to print (diagram, auction, play, footnotes,
alerts, annotations)
- Fun and games.
A completely new and interactive environment. You will find
interesting and amusing facts, teaching material and puzzles like Double
Dummy problems. A lot of content available already.
- Search for updates.
From inside Jack you can search for updates and install them directly. No
need for visiting the website and look whether there is new material.
Download Jack Demo
Demo of Jack 3.0: Try out
Jack 3.0. In this demo
Jack bids and plays at full strength. Besides 12 random deals, a tournament
session of 21 deals is included. Some options have been disabled.
PLEASE NOTE: the demo is a valid Win32
application. It is however possible a problem occurs while downloading (see
FAQ). If you
run into problems we kindly request you to report this.
The download consists of 3 parts:
- The engine
The actual demo, this part is required.
download Jack 3.0 engine (3.737.600 bytes)
After downloading, run1) the file to install the demo.
1)XP SP2 Users: If you get a "Security Warning" dialog
box, click Run. (Kuijf & Kuijf Software is the publisher, but is listed
as "Unknown Publisher". Please ignore this and click Run.)
- A set of playing cards
Jack needs some playing cards to operate. You have to install, at least,
one deck.
[
download international (english) deck (1.868.288 bytes) |
download french deck (2.779.648 bytes) |
download german deck (1.920.000 bytes) |
download dutch deck (2.458.112 bytes) ].
After downloading, run the file(s). Installation is now complete. You
may choose to continue with step 3:
- The online help
This is optional.
[
download english helpfiles (2.366.464 bytes) |
download french helpfiles (2.565.120 bytes) |
download german helpfiles (2.366.464 bytes) |
download dutch helpfiles (2.499.072 bytes) ].
After downloading, run the file(s) to install the help in the demo.

Our pricing includes VAT and
delivery in Mainland UK by 1st Class Post.
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