We welcome you on Jack's website.
On this site we offer you information and backgrounds regarding world champion Jack
and related products.
Jack is the six times World Champion Computer Bridge of 2001, 2002, 2003, 2004, 2006 and 2009.
Bridge players from all over the world welcomed its exceptional
bidding and playing strength.
Praised for its user friendliness and extensive possibilities.
Free demo
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In this demo Jack bids and plays at full strength.
You can compose your own convention card.
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Free update 4.0 -> 4.01
Starting January 2008 Jack 4.01 has been available.
In this version a lot of functionality was added.
From that date on Jack 4.0 comes with the 4.01 CD already in the box.
If your CD has 4.0 printed for the version number you can download 4.01 for free.
Check out our Jack 4 Service Page
for the new features and the download file.
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You can order Jack directly from us by using our Paypal form.
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Jack is available from bridge suppliers all around the world,
for local resellers you may check our order information.
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Our products
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Jack 4.0
Jack is developed by bridge players for bridge players.
Jack's possibilities far exceed those of all other bridge
playing programs. Since its introduction, only a few years
ago, Jack is welcomed by bridge players from all over the
world for its exceptional bidding and playing strength.
To other bridge programs Jack is a source of inspiration in
the search for new features.
consumer price (VAT included) € 89,00
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Tournaments 2002
Extra tournaments (12) for Jack (all versions): 1749 deals in 74 rounds.
A number of tournaments is annotated by Berry Westra and others.
consumer price (VAT included) € 29,50
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Dutch Bridge Software
Jack is founded in the Netherlands. In the Dutch language we carry
a large range of other bridge software. If you can understand Dutch and
are interested in our other products we suggest you have a look at the
Dutch equivalence of this page.
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Free Tournaments
Additional tournaments for Jack are published for free on our
download page on a regular basis.
You'll need Jack version 1, 2, 3 or 4 to play these tournaments.
World Championships
In 1996 the American Contract Bridge League established an official
annual World Computer-Bridge Championship.
After a real good debut, at the Olympiad in Maastricht (2000),
in which Jack reached the semi-finals, Jack won the World Championship
for four years running (2001, 2002, 2003 and 2004) and again in 2006 and 2009.
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| Over 80 conventions |
| Many tournaments with frequency charts |
| Built in convention cards SAYC, Moscito, Acol, 2/1 GF, Wei Precision and many others |
All levels:
beginners - experts |
| Network play |
| Deals in ladder-play or tournaments: random or constrained by deal profile |
| Compose your own convention card |
| Advice from Professor Jack |
| Competition in the virtual JackBridge club |
| Ergonomical userinterface |
| World Champion in 2001, 2002, 2003, 2004, 2006 and 2009 |
| Settings to change almost anything |
| Complete PBN support |
| True English, French, German and Dutch playing cards by Carta Mundi |
| Bids and cards announced Berry Westra |
| Output to the internet |
| World's fastest double dummy problemsolver |
| Extensive tournament options |
| Exceptional bidding and playing strength |
| Interactive help with many examples |
| Create your own tournaments |
| Support for several methods of scoring: matchpoints, total points, cross-imps, compensation and others |
| Extensive printout capabilities |
| Multilingual interface in English, Dutch, French, German, Italian and Polish |
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