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Backgammon NJ HD app for iPhone and iPad


4.4 ( 4464 ratings )
Games Entertainment Board Dice Strategy
Developer: Jimmy Hu
7.99 USD
Current version: 6.3.9, last update: 4 years ago
First release : 18 May 2010
App size: 51.82 Mb

● 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 Ive 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

"Ive played over 500 games now; Ive checked about 5% of these against World Class Desktop programs (GNU, BGBlitz); and Ive 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 wont 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, youll receive the Elo pts you deserve. FAQ: https://gamecenter.njsoftware.com
• Contact us for help: https://contact.njsoftware.com

Pros and cons of Backgammon NJ HD app for iPhone and iPad

Backgammon NJ HD app good for

A very strong engine with perfect playability and excellent visual. Totally customizable for different playing varieties, as well as against real players. I have tried many backgammon apps, this is the best, by far...
This is the best backgammon app I know. And there is continuosly development.
It s a good Backgammon online game. Problem is that some player take too much time. I wish there would be a time limit of 20 sec.
Although it sure seems like it sometimes. Im so happy to find this implementation on iOS. I grew up with Jellyfish. It was tough too. But it sure improved my game. To the people who are complaining about this app, please read / use the developers utilities to prove to your self that it doesnt cheat. Check out Jellyfish as well. (btw jellyfish has a feature that allows you to tell it the dice rolls from rolling physical dice - and it will still beat you!) Use the hints to improve your game. And read Magriels backgammon book.
This is the best backgammon app Ive found. Contrary to some other reviews, I do not believe this app "cheats". Just because the hard AI is good does not mean it is cheating. The luck goes both ways. The hint feature is also a great way to get better.
Ive been playing backgammon for years and this is the most powerful nice looking software Ive seen yet.

Some bad moments

Well computers dices are too often convenient, far too often if you want my opinion. Even the hints are false some times, even when its obvious. Sometimes we have 4/5 times of perfect dices for the computer. When on expert mode its not the game that makes a difference but the dices far too often. But I am not sure. I have to test further. I wish I can find a dice roll without cheating. Its a wish........
Not nearly as good as gnu. Funny how expert level means that nj gets away with unlikely moves... Altogether disappointing.
Very sorry for buying the game, I read the review on the Internet and it says this game does not "cheat", but let me tell you this game """cheats"" the worst. Free backgammon games are better then this game. This game and its review on the Internet teaches me "NOT" to trust any more reviews. I feel so discouraged to play any more against "programmers" that dot not play fair and they think they must win because they are the best players. well ""programmers"" you are not the best!!!!!!!!!! Pay attention after every bad review someone comes up with a perfect review, wonder if this group of developers really listen to any complaints. """"FIX IT" so its fair to play this game. more will buy your game if you are fair.
In expert mode, there is just no way this game doesnt cheat or get advance knowledge of the dice. Some of the rolls and plays are just too perfect to be coincidental, for example moving out of positions just before getting the right rolls.
A monument to bad programming. Still have not changed the dice rolls to random.
Yup, apparently SKILL means LUCKY with this AI. Talk about rolls being fixed!! Takes all the enjoyment out of this. However, if you are looking for a good game to play online, this one is good for that. As far as playing the computer - forget it. Expert level just means that the AI gets the perfect roll every single time. No fun in that. Theres far better apps out there for practicing with.

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