Jack 6 introduces several new features and improvements over Jack 5 that enhance both gameplay and teaching capabilities:

• Improved Bridge Engine: Jack 6 uses the latest version of Jack’s bridge engine, including the Bali 2013 convention card. This was the same engine that helped Jack retain his Computer World Bridge Championship title in 2013.
• Berry Westra’s Teaching Methods: Full support for Westra’s four-card minor and modern five-card major methods. Special convention cards are also available for first- and second-year students.
• Enhanced Preemptive Bidding: New options allow you to customize Jack’s preemptive bidding style in your partnership.
• New Tournament Scoring: The new Instant Matchpoints scoring method lets you see how you rank in pair tournaments in real-time.
• Adjustable Playing Strength: You can adjust Jack’s playing strength and even fine-tune his bidding aggressiveness to suit your preferences.
• Virtual JackBridge Club: Enjoy new tournaments, bidding contests, and more deals within the virtual club environment.
• Interactive Professor Jack: Improved flexibility and feedback from Professor Jack, who provides helpful tips as you play.
• On-Screen Enhancements: Digitally enhanced playing cards for high-resolution screens.
• Built-In Updates: Automatically download updates and new tournaments as they are released, free of charge until Jack 7.

Jack 6 supports a wide range of popular and customizable bidding systems to cater to players’ preferences:

• Standard American (with options to tune)
• Acol
• Five-Card Majors (modern)
• Four-Card Minors
• Customizable convention cards based on pre-set options or user-defined settings.

Jack 6 comes with over 80 pre-set conventions, giving players the flexibility to customize their game style.

• Acol Strong Two: 2♣, 2♦, and 2♥ openings are strong, promising 8-9 tricks. Game-forcing hands and strong balanced hands with at least 23 HCP are opened 2♣.
• Acol Two Clubs: 2♣ is artificial and forcing, showing a hand strong enough to force to game. Often combined with weak two bids in other suits, or conventions like Multi 2♦ and Muiderberg.
• Aspro: A defense against 1NT with artificial overcalls. 2♣ shows a two-suiter with hearts and another suit. 2♦ shows a two-suiter with spades and a minor.
• Asptro: A variation of Aspro. 2♣ shows hearts and another suit. 2♦ shows spades and another suit. The correct Asptro bid depends on suit length.
• Astro: Similar to Aspro, but with specific bids for certain suits. 2♣ shows hearts and a minor; 2♦ shows spades and another suit.
• Australian Stayman: 2♣ asks about 1NT opener’s four-card majors, with a variety of specific responses indicating strength and distribution.
• Baron: 3♣ after partner opens 2NT. Opener bids a five-card or the cheapest four-card suit.
• Benjamin Opening: A 2♣ opening is strong; 2♦ is game-forcing. These can be combined with conventions like Muiderberg or Weak Two.
• Bergen Raises: A support-showing scheme for major suit openings. 3♣ shows four-card support with 7-10 points, and 3♦ shows four-card support with 11-12 points.
• Blackwood: 4NT asks for aces or key cards. Several variations exist, including Roman Keycard Blackwood.
• Brozel: A defense against 1NT. Double shows a one-suiter; 2♣ shows hearts and clubs, 2♦ shows hearts and diamonds, and so on.
• Cappelletti: A defense against 1NT. 2♣ shows an unspecified one-suiter; 2♦ and 2♥ show two-suiters involving hearts or spades.
• Checkback Stayman: 2♣ after a 1NT rebid asks about the opener’s undisclosed major-suit length.
• Competitive Double: Shows a hand too strong to pass but without a descriptive bid.
• DONT: Defense against 1NT. Double shows a one-suiter; 2♣ and other bids show various two-suiters.
• DOPI and ROPI: Methods to respond after intervention over Blackwood, with different meanings for double, pass, and other bids based on the number of aces or key cards.
• Drury: 2♣ by a passed hand asks if opener has full values for a major-suit opening.
• Ekren 2♦: A 2♦ opening shows 5-11 HCP with a 5-4 or 5-5 major distribution. Variations exist based on strength.
• Fit-Jump: A jump shift in competition to show the suit bid and a fit for partner’s suit, forcing for one round.
• Flannery Two Diamonds: A 2♦ opening shows 11-15 HCP with five hearts and four spades.
• Flex 2♣ Rebid: An artificial rebid after a 1♣ or 1♦ opening, showing either clubs as a second suit or a strong hand.
• Flint: A weakness-showing 3♦ response to 2NT, allowing the hand to stop below game in a long suit.
• Fourth Suit Forcing: Bidding the fourth suit is artificial and forces further action.
• Gambling 3NT: Shows a long, solid minor suit with at most one queen in other suits.
• Gerber: 4♣ asks for aces or key cards when 4NT is reserved for quantitative bids.
• Ghestem: Shows two-suited hands with specific overcalls based on unbid suits.
• Good-Bad 2NT: Used to distinguish between stronger and weaker hands in competitive situations.
• Intermediate Jump Overcall: A jump overcall showing a strong one-suited hand.
• Inverted Minors: A simple raise of a minor-suit opening is forcing, showing at least 11 support points.
• Jacoby Transfers: Used to transfer to a five-card major suit after a notrump opening.
• Jacoby 2NT: A forcing raise after a major-suit opening, showing game values and four-card or longer support.
• Landy: Defense against 1NT, where 2♣ shows the majors.
• Leaping Michaels: A jump to 4♣ or 4♦ after a Weak 2 opening, showing two-suited hands.
• Lebensohl: A method of distinguishing hand strength after an opponent bids over partner’s 1NT.
• Michaels Cue Bid: A cue bid showing a two-suiter with either both majors or one major and an unspecified minor.
• Minor-Suit Stayman: Asking the 1NT opener to bid a four-card minor.
• Muiderberg: A Dutch convention where a 2♣ or 2♦ opening shows five cards in the bid major and at least four cards in a minor.
• Multi-Landy: Similar to Muiderberg, but with different responses for hearts, spades, and minor suit combinations.
• Namyats: A 4♣ bid shows a “strong” 4♠ opening, while 4♦ shows a “strong” 4♥ opening.
• Negative Double: Shows four cards in an unbid major after an overcall.
• New Minor Forcing: Similar to Checkback Stayman, but the inquiry is made by bidding a new minor.
• Ogust: A 2NT response to a weak two-bid that asks for hand and suit quality.
• Ping-Pong: Forces opener to bid 2♠, allowing responder to describe their hand further.
• Protective Double: A balancing takeout double made when playing negative doubles.
• Puppet Stayman: Used to ask for a four- or five-card major after a 2NT opening.
• Quantitative 4NT: A natural 4NT bid showing interest in slam.
• Relay: A cheap artificial bid used to request further information from partner.
• Responsive Doubles: Shows both unbid suits after a takeout double and responder’s raise.
• Reverse Drury: 2♣ by a passed hand shows a limit raise of opener’s major.
• Roman Keycard Blackwood: A variation where the king of trumps is treated as an ace.
• Roudi: A version of Checkback Stayman used to inquire about undisclosed major-suit length.
• Rubensohl: Uses transfer bids after an opponent overcalls partner’s 1NT.
• RUNT: “Really Unusual No Trump” is a 1NT overcall showing 9-11 HCP.
• Rusinow: An opening lead convention where the second-highest honor is led from two or more touching honors.
• Sandwich Notrump: A 1NT overcall after both opponents have bid, showing the two unbid suits.
• Smolen: A convention to let the stronger hand become declarer when a 5-3 fit is found after Stayman.
• Splinter: A double-jump in a new suit to show support and shortness.
• Stayman: An artificial response to a notrump opening to ask for a four-card major.
• Support Doubles and Redoubles: A double that shows three-card support for responder’s major after an intervening bid.
• Texas Transfers: 4♦ and 4♥ transfers to 4♥ and 4♠, respectively, after a notrump opening.
• Truscott 2NT: A jump response to a double, showing a limit raise or better.
• Unusual NT: A 2NT overcall showing the two lowest unbid suits.
• Walsh: A system where responder bypasses a long diamond suit to bid a four-card major.
• Weak Jump Overcall: A jump overcall that shows a preemptive hand.
• Weak Jump Shift: A weak bid promising a long suit, often used to obstruct opponents.
• Weak Two-Bids: An opening two-bid in a major suit showing a weak hand with a good six-card suit.

You can create a convention card based on these options to tailor Jack’s play to your style.

• System Requirements: Windows (XP, Vista, 7, 8, 10, and 11)
• Processor: Intel or compatible CPU
• Installation: Requires activation with the registration code provided upon purchase.
• Resolution: Supports high-resolution screens with digitally enhanced card visuals.

Step 1: Download and Install Jack 6

• You’ll receive a download link and registration code via email immediately following your purchase. Follow the link to download the installation file.
• After downloading, run the installer and follow the on-screen instructions.

Step 2: Activate Your Software

• During installation, you’ll be prompted to enter your registration code. Make sure you have it handy, as the installation cannot be completed without this step.
• You can activate Jack online, or if internet access is unavailable, follow the instructions for manual activation.

Step 3: Search for Updates

• Once installed, you can use the Help > Search for Updates option to ensure you have the latest version of Jack 6.
• You can also enable automatic updates by going to Settings > Other Options and checking the box for Automatically search for updates.