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IEEE Xplore Abstract - N-Grams and the Last-Good-Reply Policy Applied in General Game Playing

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The aim of general game playing (GGP) is to create programs capable of playing a wide range of different games at an expert level, given only the rules of the game. The most successful GGP programs currently employ simulation-based Monte Carlo tree search (MCTS). The performance of MCTS depends heavily on the simulation strategy used. In this paper, we introduce improved simulation strategies for GGP that we implement and test in the GGP agent CADIAPLAYER, which won the International GGP competition in both 2007 and 2008. There are two aspects to the improvements: first, we show that a simple?-greedy