Players take turns bidding on the minimum number of dice that the player believes are showing a given value. Each player has a set of dice known only to them.The game is also famous from Pirates of the Caribbean, but I will quickly sketch the rules if you donвЂ™t know the game. In this blog post, we only consider the 2 player version. It is simpler than Poker, but has many of the same concepts of betting, bluff and hidden information, making it a fun challenge for AI.ДЄ LiarвЂ™s Dice set for 6 players, with dice cups used for concealment. LiarвЂ™s Dice is a game I personally liked to play back when we could still go to bars. But your bet includes all the dice, not just your own. The project allowed me to dive into the exciting concepts of Counterfactual Regret Minimization, Reinforcement Learning, serving PyTorch models in the browser and a few other fun topics, so there are a bunch of things to cover in this blog post.

Of course, I ended up spending much more time on it, but it did turn out to be fun and very simple. вЂњIt shouldnвЂ™t take more than an afternoon,вЂќ I thought. Recently while reading DeepmindвЂ™s article Player of Games, I thought I might be able to make something really simple that works well enough to be fun. IвЂ™ve been meaning to learn about AIs for games like Poker or LiarвЂ™s Dice for a while. The AI was so fun to play against, that I had to create a small website to share it with the world.-Screenshot of dudo.ai.

Liars poker dice