![]() ![]() Instead, Brown and Sandholm developed a search function that looks only a few moves ahead at a time. But it would take too much computing power to explore the almost endless possibilities of a six-player game. ![]() Brown and Sandholm’s earlier bot attempted to map out all the possible twists and turns of a game to the end. The new bot is able to play a much more complex game than its predecessor in large part because it’s better at fine-tuning that core strategy by projecting possible outcomes from a particular point in a game-known as the search function. After each hand, the system reviews what happened and what might have worked better-any improvements are added to its core strategy. Pluribus is similar to Libratus in that it built up its skills by playing trillions of hands against versions of itself. Nothing from the project with Facebook will be licensed to either of Sandholm's companies, although some techniques central to Pluribus predate the project. But Sandholm has said one of Strategy Robot’s selling points is using ideas proven in poker and his other AI projects to make simulated-or even real-battlefield strategies more robust against enemy actions. The other, Strategy Robot, signed a two-year contract worth up to $10 million with the Pentagon in 2018 Sandholm and the Pentagon decline to discuss the contract. One of those companies, Strategic Machine, works on uses such as improving bots in videogames and helping companies set optimum prices that take into account how competitors will respond. ![]()
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