Both start with 100 points. Over 5 rounds, your goal is to get to 3 wins first. Each round, whoever bets more points, gets the win. After round one, only the winning bet is revealed, so you have to start making assumptions. It becomes a game of strategy and deception.
I'm still tweaking the computer strategy. In the latest version, humans win 53% of games, and there might still be strategies that will let you win most games. So if you find one such exploit: 1. Congrats! 2. Let me know so I can make the game harder for everyone after you :-)