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Backgammon NJ HD

By Jimmy Hu

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● 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.


"[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,

"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.", May 2012


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 (
• Who won't expect to win consistently on the higher skill levels


• 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


• If an online match ends for any reason, you'll receive the Elo pts you deserve. FAQ:
• Online match disconnect info:
• We can't respond to reviews. Contact us directly:

What's New in Version 5.3.5

- Native resolution graphics for iPad Pro
- Practice mode: 1-player mode with unlimited undo. Statistics are not tracked in this mode.
- Option to display checker counts on points with 6+ checkers & on bearoff trays
- Option to display pip count in white for both players
- Autoplay Forced Moves: Added full & partial moves option
- Option to play from position with same rolls as match file (in analysis mode). Note: This will only work if the original match was played with automatic rolls, and the RNG seed wasn't changed during the match.
- Bug fix for analysis mode


iPhone Screenshot 1
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iPad Screenshot 1
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iPad Screenshot 5

Customer Reviews

I've Played EXPERT level for years

I will tell anyone that this both the best and worst backgammon game ever. It teaches you to be a great player. Then when you're good, and play the expert level, it flagrantly cheats over and over. Anyone who says otherwise is DELUSIONAL. The computers quality of rolls at that level is unparalleled. How often have I had 3 of the computers pieces on the bar with one space open and it gets the perfect doubles, brings in 3 pieces AND hits me. IT CHEATS ON EXPERT. There is literally no debate on this topic. I've played this specific game for many many years. It also prevents you from getting what you need. You need a 4, 5 or 6,and it can take you easily 6 or 7 or more rolls. The computer at that level might need a 6, and is guaranteed to get it in a maximum of 2 rolls and usually 1. I've seen it take 3 but never ever more. When it can't beat you with skill, it wins purely on rolls. If you disagree I'm laughing at you. I've played expert literally for years. I will crush any human on a real board. I only lose to the game when I'm up a ton. Then the dice kill me.

Unbelievably Great

I'm not a piad reviewer, or friend. I am a long time backgammon player now entering the IOS world. I read the reviews on most of the bg apps. There seemed to be significant problems with most of them. I tried 3 of them. They were just ok, and seemed to just care about making money.

Then I came across some comments in Redit by the developer of this app. I was convinced to try it. OMG this is a dream app for learning to play and for serious players alike. If you are reading this, you are interested in bg, just throw down the money which is amazingly inexpensive for what you get. It is an honest game, the dice rolls are real- ignore the reviews say they aren't. There are SO many options, I'm in backgammon heaven. See you online!

Interesting experience . . . . .

This is a very nice looking game. But I can't say that I've learned anything about the game. Well, that's not quite true. I've learned that at the expert level, when the computer doubles, no matter how slight its advantage, I'm usually dead. I'm going to end up with men on the bar, and they will likely be there a very long time. I play safe, I play aggressively -- it matters not.

For anyone who wants to learn the game, I would recommend NOT playing the computer at the expert level. It's like playing the luckiest person in the world, and you're likely to learn a bunch of bad habits -- like being overly cautious.

That said, I think the game is most enjoyable when used for online play.

Backgammon NJ HD
View In iTunes
This app is designed for both iPhone and iPad
  • $7.99
  • Category: Games
  • Updated:
  • Version: 5.3.5
  • Size: 45.4 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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Top In-App Purchases

  1. Power User$4.99
  2. Analysis Package$2.99
  3. Online VIP$2.99