The matching pennies game is a simple, iterative two-player prediction game.

It is a simplified version of Rock, Paper, Scissors - with only two symbols, HEADS and TAILS. The rules:

Successfully predicting your opponent's moves requires reverse engineering of their thought processes from their previous moves.

The ability to model the past - and so forecast the future - is a key component of many machine intelligence projects.

Introduction - A video introduction to this web site;
Machine forecasting - The significance of machine forecasting;
Sequence prediction - An introduction to sequence prediction;
Matching pennies - The Matching Pennies game;
Rock, paper, scissors - Rock, paper, scissors - a rival game;
Tournament - Our Matching pennies tournaments;
Tournament results - Matching pennies tournament results;
$ $ $ Prize - The Matching Pennies Prize: rewarding predictions;
Play online - Play against the champion bot online;
The house robots - Meet the robotic residents;
Facebook - We are on Facebook - please "like" us;
Essays - Writings and essays relating to forecasting;
Links - Links to related material online.

Tim Tyler | Contact | http://matchingpennies.com/