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 (http://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: http://gamecenter. njsoftware.com. Online match disconnect info: http://bit. ly/1vpw553. Contact us for help: http://contact. njsoftware.com.