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+ ---
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+ license: mit
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+ tags:
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+ - chess
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+ - reinforcement-learning
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+ - pytorch
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+ - safetensors
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+ ---
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+
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+ #Chess Engine
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+
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+ Custom chess neural network trained on high-elo Lichess games.
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+
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+ ## Architecture
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+ - **Backbone**: ResNet with 10 blocks, 128 channels
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+ - **Parameters**: 44.98M
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+ - **Policy Head**: 20480 move logits
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+ - **Value Head**: Win probability [-1, 1]
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+
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+ ## Training
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+ - **Phase 1**: Supervised learning on 1800+ Elo games
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+ - **Phase 2**: Self-play reinforcement learning
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+
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+ ## Board Encoding
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+ - 19 input planes (12 piece planes + side to move + castling + en passant + move clock)
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+ - 8x8 board representation
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+
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+ ## Move Encoding
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+ - Flat index: (from_square * 64 + to_square) * 5 + promotion_type
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+ - Total vocabulary: 20480 moves