Backgammon NJ HD 4+
Play vs. AI, friend, or online
Jimmy Hu
Designed for iPad
-
- £7.99
- Offers In-App Purchases
Screenshots
Description
● GAME CENTER -- Play online, chat, invite friends, auto-match with random players
{ Real-time } Play online in real-time
{ Turn-based } Play online at your own pace
● VERSATILE -- Play offline vs. computer or against another person in 2-player mode
● CUSTOMIZABLE -- More options than any other backgammon app
● UNIVERSAL -- Supports iPad, iPhone, & iPod touch
Play & learn backgammon at skill levels from beginner to world-class!
Backgammon NJ HD is a full-featured game which uses an advanced, neural network-based, artificial intelligence. Play against a computer AI, another person in 2-player mode on one device, or online against friends & others. Using Tutor Mode & Hints, Backgammon NJ HD can show you how to improve your game.
Discriminating players will appreciate how well the AI plays. It uses a neural network trained on millions of positions, a bearoff database, & a match equity table to achieve strong gameplay that will challenge even expert players.
REVIEWS
"[I] know strong bg play when I see it. This app is the strongest iPhone bg app I've played with by far. It does not cheat period. ...Analyzing these matches with eXtreme Gammon confirms a world class level of play with normal luck factors. If you are losing, get over it. So would 99.9% of the other backgammon players in the world. It is just that good. Learn from it." -Richard Munitz, Giant of Backgammon, #21 world ranking in 2009
"Backgammon NJ plays at an extremely high level with an excellent interface, and I often use it to practice on my iPhone when I am traveling. I recommend it highly to my students & friends." -Phil Simborg, Professional Backgammon Teacher & Player, www.mindgamescenter.com
"I've played over 500 games now; I've checked about 5% of these against World Class Desktop programs (GNU, BGBlitz); and I've actually used some of the competition. NJ has the best interface & has more useful functions than any other backgammon apps out there."
"For serious backgammon players, Backgammon NJ is the way to go." -Macworld.com, May 2012
IS THIS GAME RIGHT FOR YOU?
This game is best for people:
• Who recognize the strength of neural network backgammon bots
• Who want to improve their game by playing against a world-class level AI
• Who will use the in-depth, technical features included in the app to prove that it is honest (https://www.njsoftware.com/note.html)
• Who won't expect to win consistently on the higher skill levels
FEATURES
• Neural network-based AI
• 2 game types: Standard Backgammon or Nackgammon
• 4 skill levels: Easy, Medium, Hard, Expert
• Customizable board design & checker colors
• Mersenne Twister algorithm for random number generation
• Doubling cube
• Single games or match play up to 25 pts
• Crawford rule for match play
• 1-player mode vs. computer
• 2-player mode on one device
• Game Center: Play real-time or turn-based online matches with friends & other players
• Chat with your online opponent
• Online Elo & Experience leaderboards
• Block list for auto-match
• Tap-to-move interface
• Highlighted checker movement options
• Hint & Undo
• Learn with Tutor Mode
• Game & dice stats, including Elo rating & ER
• Match info: GnuBG ID, win chances, equity, top 10 moves, cube decisions
• Email match files
• Practice mode with unlimited undo (1-player vs. computer)
• Manual match recording mode with unlimited undo & speed mode option
• Options to reverse board direction, resign, use one-tap moves, auto bearoff, auto finish, use Jacoby rule, & much more
• Match analysis (in-app purchase): Analyze past match files, view moves & errors for match, step through match, jump to position, play from position, save match files permanently
IMPORTANT
• If an online match ends for any reason, you'll receive the Elo pts you deserve. FAQ: https://gamecenter.njsoftware.com
• Contact us for help: https://contact.njsoftware.com
What’s New
Version 7.0.3
v7.0.1:
- Added "Stop Auto Finish When Doubled" option
- Added "Display Statistic/Meter" option
- Added "Match File/Info Export" option (includes Share function)
- Added "Swap Match File Player Position" option
- Added "Analyze Most Recent Match" option to Double Tap & Swipe Left on Status Meter settings (included in Analysis Package in-app purchase)
- Native resolution graphics for iPad mini 6th Gen
- Updated for iOS 18
- Minor bug fixes
v7.0.3:
- Fixed issue where some online play buttons were not being grayed out
Ratings and Reviews
Chuckle chuckle
I love this app and have been playing it for years. The chuckle part is to read the reviews of people claiming that "the computer will roll just the correct number when it needs it". Chuckle chuckle lol! Jimmy Hu the author goes to great lengths to prove that it is impossible for the app to cheat. The thing is, the app allows you to look at the next 100 rolls that will be used in the current game. So if you wish you can write them down and then YOU can become the cheat. Logic tells me that the computer cannot possibly determine what moves the player will make 20 or 30 rolls from now. If it could it can adjust its random rolls? Ridiculous thought.
I trust that we will see more embarrassing reviews that bring out the shallowness of the reviewers that are absolutely "experts" in backgammon analysis. This will add to the entertainment.
I play at expert level to improve my game and with the hints provided I am slowly getting better. But I still lose 55-60% of my games with hints switched off. So I have a long way to go. I know that the app does not cheat, therefore that emotion is taken out of the picture and I can objectively assess my incorrect moves.
Well done to Jimmy. The app deserves 5 stars from everyone. Pity that the average rating is dragged down by some stupidity.
Developer Response ,
Thanks! We really appreciate your comments. :)
Still doubtful
It’s easy to play, it’s very well put together and I’ve read all the reviews that say it’s not fixed, and I believe them, mostly.
And yet.
It throws too many double sixes for itself.
It throws too many good dice for itself to catch you every time you leave a blot.
It has, to some degree, changed the way I play the game because you KNOW it’s going to get you, so you resist that risky, potentially game winning move because you KNOW what will happen. I play in ‘HARD’ mode and I can beat it, sometimes quite easily, but there’s that nagging doubt that no amount of quoting stats will take away. Believe the believers if you will, but this does NOT play like a real game, nothing like in fact. Use it as a training aid but once you get to the ‘hard’ level, something changes.
Easily provable that it doesn't cheat, please read.
This is by far and away the best backgammon game in the App Store and now with match analysis (through a very reasonably priced iap) competes with computer packages such as snowie. Anyone who thinks it cheats should try setting the dice rolls to manual so that you actually have to physically roll a pair of dice and input the moves yourself. This way the computer opponent can't possibly know the rolls in advance. I have been doing this for around a thousand games and the win lose stats have not changed from when it was a computer generated roll. Backgammon is a very hard game to master, my Elo rating is 1857 which is not too bad, but when I play a human opponent with an Elo above 2000 they consistently wipe the floor with me. Nj backgammon on expert mode is just very difficult.
Superb!
Developer Response ,
Thanks, Mistaoo! :)
App Privacy
The developer, Jimmy Hu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary based on, for example, the features you use or your age. Learn More
Information
- Provider
- Jimmy Hu
- Size
- 57.2 MB
- Category
- Games
- Compatibility
-
- iPhone
- Requires iOS 15.4 or later.
- iPad
- Requires iPadOS 15.4 or later.
- iPod touch
- Requires iOS 15.4 or later.
- Mac
- Requires macOS 12.3 or later and a Mac with Apple M1 chip or later.
- Apple Vision
- Requires visionOS 1.0 or later.
- Languages
-
English
- Age Rating
- 4+
- Copyright
- © 2024 NJ
- Price
- £7.99
- In-App Purchases
-
- Power User £4.99
- Analysis Package £2.99
- Online VIP £2.99
Supports
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Game Center
Challenge friends and check leaderboards and achievements.