Puzzle Solving without Search or Human Knowledge: An Unnatural Language Approach
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The application of Generative Pre-trained Transformer (GPT-2) to learn text-archived game notation provides a model environment for exploring sparse reward gameplay. The transformer architecture proves amenable to training on solved text archives describing mazes, Rubik's Cube, and Sudoku solvers. The method benefits from fine-tuning the transformer architecture to visualize plausible strategies derived outside any guidance from human heuristics or domain expertise. The large search space (>10^19) for the games provides a puzzle environment in which the solution has few intermediate rewards and a final move that solves the challenge.
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