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Chess dataset v4.0 with legal move masks and flattened board
5051f71 verified
metadata
dataset_info:
  features:
    - name: board
      sequence: int8
      length: 64
    - name: turn
      dtype:
        class_label:
          names:
            '0': white
            '1': black
    - name: winner
      dtype:
        class_label:
          names:
            '0': draw
            '1': white
            '2': black
    - name: move_id
      dtype: int32
    - name: legal_moves_mask
      sequence: bool
      length: 1968
    - name: game_id
      dtype: int32
    - name: move_number
      dtype: int16
    - name: castling_rights
      sequence: bool
      length: 4
    - name: en_passant_square
      dtype: int8
    - name: halfmove_clock
      dtype: int16
    - name: fullmove_number
      dtype: int16
  splits:
    - name: train
      num_bytes: 968729294
      num_examples: 2836689
    - name: validation
      num_bytes: 173401065
      num_examples: 507763
  download_size: 155154174
  dataset_size: 1142130359
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: validation
        path: data/validation-*