Jack Bridge - from CDAccess.com Jack 6 Nine Times Computer Bridge World Champion 2001, 2002, 2003, 2004, 2006, 2009, 2010, 2012, 2013 and 2015!!! $69.95 (WinXP/Vista/Win7/8) (Download Only) (JACKBRIDPO) Version 6.10. This is a download-only product; a CD is.not. included. We will supply you with the download access code within 24 hours. You should select 'Free Shipping' when placing your order.
$69.95 (WinXP/Vista/Win7/8) (DVD Case) (JACKBRIDPR) CD Version 6.10. $39.95 (WinXP/Vista/Win7/8) (Download Only) (JACKBRUPO) Upgrade from Version 5 to 6. Version 6.10. This is a download-only product; a CD is.not.
included. We will supply you with the download access code within 24 hours. You should select 'Free Shipping' when placing your order. $39.95 (WinXP/Vista/Win7/8) (DVD Case) (JACKBRUPR) CD Upgrade from Version 5 to Version 6.10. $19.95 Tournaments 2002 (WinXP/Vista/Win7/8) (Jewel Case) (JACKBR02PJ) This CD contains 1749 deals in 12 tournaments (mainly from 2002). Some of the tournaments are annotated by World Champion Berry Westra and others. The add-on CD can be used with any version of Jack.
Publisher: Packaging: Both Jack and the Jack upgrade are packaged in DVD cases and include a printed manual with the appropriate activation code. They normally ship by First Class Mail within the US and by international airmail outside the US. We also offer a downloadable version at the same price which includes a manual that can be printed. This version does not require any shipping charges.
Game / Card The Best Bridge Program In The World World Champion Computer Bridge 2001, 2002, 2003, 2004, 2006, 2009, 2010, 2012 & 2013! Jack is a computer bridge program developed by bridge players for bridge players. One of the developers is former world champion Berry Westra (Bermuda Bowl, Chile 1993). Jack uses state-of-the-art computer algorithms.
Jack's possibilities exceed those of all other bridge playing programs. Besides its exceptional bidding and playing strength, Jack offers a very user friendly interface with many interesting features. Jack offers a very user friendly interface.
Its 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 colors, 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. 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 program is very friendly.
Computer Programs List
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 usefull 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 favorite 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. You decide if you want announcing bids and plays switched on, in which case you'll hear the voice of Berry Westra. 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. Included are some of the finals of recent Worldchampionships Computer Bridge. Jack has a built-in virtual bridge club, the JackBridge club, complete with promotion and demotion.
You compete with Jack as your 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 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 Verona (the exact card that was used in Verona 2006), 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. You can compose your own convention card using adjustable conventions. Jack now has over 80 adjustable conventions including: 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). 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, German and Polish. 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. The Top 10 Improvements Incorporated in Jack 6.0 Here is a list of the most significant ways in which Jack 6.0 has improved upon Jack 5. The most recent version of Jacks bridge engine as well as Jacks Bali 2013 convention card. In Computer World Bridge Championship of 2013 at Bali, Indonesia, Jack played better and faster to keep his 2012 title from Lille, France.
Now you can use the same methods with and against Jack. Exhanced playing strength. Besides adjusting the playing strength you can now adjust Jacks bidding aggressiveness in detail. Jack himself is not afraid to overbid once in while and if that is something you hate in your partnership you can tone him down! Strongly improved preemptive bidding. Many options available to tune the preemptive bidding style in your partnership with Jack.
More tournaments, bidding contests and many more deals for the built in virtual JackBridge Club. A new tournament scoring method: instant matchpoints. Join a huge pair tournaments and instantly see how you are doing.
Complete support for Berry Westras teaching methods. Four card minor as well as his modern five card major methods. Special convention cards for first and second year students are available.
Built-in provision for updating: Now you can download improvements to Jack and new tournaments as they become available on our website. Download simple atm program visual basic software. Free of charge until we create Jack 7. Jack 6 is now usable on 'notebook' computers (laptops without a CD drive) and works without a problem under Windows 8. On-screen playing cards are digitally enhanced and now available for even the highest resolutions. Many improvements to the Interactive Professor Jack.
The Professor will look over your shoulder as you play, making helpful comments about your bidding and card play on the spot. He is flexible.
At your command, he will comment about whatever aspects of your play you specify. Options are available to slow down Jacks speed of play to the pace you are used to. Improved help functions and a renewed online manual. The manual is available as a PDF in order to print the manual as a booklet for easier reading. Jack 6 provides dozens of other improvements and enhancements, of course, including more tournaments, more deals in competition, new bidding conventions, Jack's Bali 2013 convention card, reviews of played deals in the game-viewer, and changes in Jack's partnership approaches. Requirements: Windows XP/Vista/Windows 7/Windows 8: Works on any system capable of running those opreating systems, both the 32 bit and 64 bit versions of those systems.
Of course, Jack does play better (and faster) on faster systems. Reviews: JACK RECAPTURES WORLD TITLE - June 22, 2006 Of the seven teams that vied for the 2006 Computer Bridge World Championship in Verona, Italy, June 17th through June 22nd, four emerged from the qualifying round-robin (six 28-board matches.
The Dutch program Jack, seeking to regain the crown he had lost to the French program Wbridge5 in 2005 after winning the previous four championships, won all six of his round-robin matches and led the field by a wide victory-point margin. The final standings in the Round Robin: 1. Jack (Netherlands) 124 VP 2. Micro Bridge (Japan) 104 VP 3. WBridge5 (France) 102 VP 4. Q-Plus Bridge (Germany) 99 VP 5. Bridge Baron (USA) 82 VP 6.
Blue Chip Bridge (England) 66 VP 7. Shark Bridge (Denmark) 52 VP In one 64-board semi-final match, Jack annihilated Q-Plus Bridge, 239 IMPs to only 41. In the other semi-final, Micro Bridge edged defending champion Wbridge5, 141 IMPs to 133.
Both programs had improved substantially from last year, but the highly enterprising style of Wbridge did not succeed against the newly-aggressive Micro Bridge, which had switched from last year's four-card major system to five-card majors. So as in Toronto, Canada, five years ago, Jack faced Micro Bridge in the 64-board final. Jack had won easily enough in 2001, but in Verona he dominated Micro Bridge completely, winning 217 IMPs to 54.
Jack Wins Computer Title Jack (the Netherlands) retained its title of world computer bridge champion, defeating last years finalist, Bridge Baron (USA), 157-97 in the 64- board final. Hans Kuijfs robot Jack, winner of the last four annual championships, is on top of the computer bridge world. PRESS RELEASE - JACK RETAINS TITLE ONCE MORE At the world computer bridge championships in New York City, the Dutch program Jack once again defended his title successfully. After winning in Toronto (2001), Montreal (2002) and Menton (2003), Jack was crowned world champion for the fourth time.
There can be no doubt that the brainchild of Hans Kuijf is the strongest computer bridge player in the world. The 'Jack Team' consists of Hans Kuijf, Wim Heemskerk, Martin Pattenier and former Bermuda Bowl-winner Berry Westra. After Jack won last year, they worked very hard to improve Jack even further, making the most progress in the bidding. That turned out to be necessary, as rival programs improved also. Almost all the programs use simulations and try to plan ahead.
However, this championship proved that Jack still has an edge over its competitors. Defense is undoubtedly the weakest point of Jack's game. If he can improve on that he will be very hard to beat in the coming years. More information about Jack can be found at the website Copyright © 1993-2000 CDAccess.com, Inc.
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(October 2016) Computer bridge is the playing of the game using computer software. After years of limited progress, since around the end of the 20th century the field of computer bridge has made major advances. In 1996 the (ACBL) established an official World Computer-Bridge Championship, to be held annually along with a major bridge event. The first championship took place in 1997 at the North American Bridge Championships in Albuquerque. Since 1999 the event has been conducted as a joint activity of the American Contract Bridge League and the. Alvin Levy, ACBL Board member, initiated this championship and has coordinated the event annually since its inception.
The event history, articles and publications, analysis, and playing records can be found at the. Contents. World Computer-Bridge Championship The World Computer-Bridge Championship is typically played as a round robin followed by a knock-out between the top four contestants. Winners of the annual event are:. 1997 Bridge Baron. 1998 GIB. 1999 GIB.
2000 Meadowlark Bridge. 2001 Jack. 2002 Jack. 2003 Jack. 2004 Jack.
2005 Wbridge5. 2006 Jack. 2007 Wbridge5. 2008 Wbridge5. 2009 Jack. 2010 Jack.
2011 Shark Bridge. 2012 Jack. 2013 Jack.
2014 Shark Bridge. 2015 Jack. 2016 Wbridge5. 2017 Wbridge5 Computers versus humans In 's book, Bridge, My Way (1992), Zia offered a £1 million bet that no four-person team of his choosing would be beaten by a computer.
A few years later the bridge program GIB, brainchild of American computer scientist Matthew Ginsberg, proved capable of expert declarer plays like in play tests. In 1996, Zia withdrew his bet. Two years later, GIB became the world champion in computer bridge, and also had a 12th place score (11210) in declarer play compared to 34 of the top humans in the 1998 Par Contest (including Zia Mahmood). However, such a par contest measures technical bridge analysis skills only , and in 1999 Zia beat various computer programs, including GIB, in an individual round robin match. Further progress in the field of computer bridge has resulted in stronger bridge playing programs, including Jack and Wbridge5. These programs have been ranked highly in national bridge rankings.
A series of articles published in 2005 and 2006 in the Dutch bridge magazine describes matches between five-time computer bridge world champion Jack and seven top Dutch pairs including a winner and two reigning European champions. A total of 196 boards were played. Jack defeated three out of the seven pairs (including the European champions). Overall, the program lost by a small margin (359 versus 385 ).
Cardplay algorithms Bridge poses challenges to its players that are different from board games such as and. Most notably, bridge is a game of incomplete information. At the start of a deal, the information available to each player is limited to just his/her own cards. During the bidding and the subsequent play, more information becomes available via the bidding of the other three players at the table, the cards of the partner of the declarer (the dummy) being put open on the table, and the cards played at each trick. However, it is only at the end of the play that full information is obtained. Today's top-level bridge programs deal with this probabilistic nature by representing the unknown hands.
Computer Software Programs
Each sample is generated at random, but constrained to be compatible with all information available so far from the bidding and the play. Next, the result of different lines of play are tested against optimal defense for each sample. Directsound output v2.2.6. This testing is done using a so-called 'double-dummy solver' that uses extensive search algorithms to determine the optimum line of play for both parties. The line of play that generates the best score averaged over all samples is selected as the optimal play. Efficient double-dummy solvers are key to successful bridge-playing programs. Also, as the amount of computation increases with sample size, techniques such as are used to generate sets of samples that are of minimum size but still representative. Comparison to other strategy games While bridge is a game of incomplete information, a double-dummy solver analyses a simplified version of the game where there is; the bidding is ignored, the contract (trump suit and declarer) is given, and all players are assumed to know all cards from the very start.
The solver can therefore use many of the search techniques typically used in solving two-player perfect-information win/lose/draw games such as, and. However, there are some significant differences. Although double-dummy bridge is in practice a competition between two generalised players, each 'player' controls two hands and the cards must be played in a correct order that reflects four players. (It makes a difference which of the four hands wins a trick and must lead the next trick.). Double-dummy bridge is not simply win/lose/draw and not exactly, but constant-sum since two playing sides compete for 13 tricks. It is trivial to transform a constant-sum game into a zero-sum game. Moreover, the goal (and the risk management strategy) in general contract bridge depends not only on the contract but also on the form of tournament.
However, since the double-dummy version is deterministic, the goal is simple: one can without loss of generality aim to maximize the number of tricks taken. Bridge is incrementally scoring; each played trick contributes irreversibly to the final 'score' in terms of tricks won or lost. This is in contrast to games where the final outcome is more or less open until the game ends. In bridge, the already determined tricks provide natural lower and upper bounds for, and the interval shrinks naturally as the search goes deeper. Other games typically need an artificial to enable alpha-beta pruning at limited depth, or must search to a leaf node before pruning is possible.
It is relatively inexpensive to compute 'sure winners' in various positions in a double-dummy solver. This information improves the pruning. It can be regarded as a kind of, however while the latter in other games is an approximation of the value of the position, the former is a definitive lower bound on the value of the position. During the course of double-dummy game tree search, one can establish equivalence classes consisting of cards with apparently equal value in a particular position. Only one card from each equivalence class needs to be considered in the subtree search, and furthermore, when using a, equivalence classes can be exploited to improve the hit rate. This has been described as partition search by Matthew Ginsberg.
Unsolved problem in computer science. Stuffit software serial 6.5.1. Is the problem of the winner in double-dummy bridge in any?. Numerous strategy games have been proven hard in a, meaning that any problem in that complexity class can be reduced in to that problem.
For example, generalized x × x has been proven -complete (both in EXPSPACE and EXPSPACE-hard), effectively meaning that it is among the hardest problems in EXPSPACE. However, since there is no natural structure to exploit in double-dummy bridge towards a hardness proof or disproof, unlike in a board game, the question of hardness remains. The future In comparison to, computer bridge has not reached world-class level, but the top robots have demonstrated a consistent high level of play. To demonstrate this, see analysis of the last few years play. Yet, whereas computer chess has taught programmers little about building machines that offer human-like intelligence, more and probabilistic games such as might provide a better testing ground. The question whether bridge-playing programs will reach world-class level in the foreseeable future is not easy to answer. Computer bridge has not attracted an amount of interest anywhere near to that of computer chess.
On the other hand, researchers working in the field have accomplished most of the current progress in the last decade. Regardless of bridge robots' level of play, computer bridge already has changed the analysis of the game. Commercially available double-dummy programs can solve bridge problems in which all four hands are known, typically within a fraction of a second. These days, few editors of and will solely rely on humans to analyse bridge problems before publications. Also, more and more bridge players and coaches utilize computer analysis in the post-mortem of a match. See also. References.
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