---
license: cc-by-sa-4.0
dataset_info:
- config_name: E2H-AMC
  features:
  - name: contest
    dtype: string
  - name: rating
    dtype: float64
  - name: rating_std
    dtype: float64
  - name: rating_quantile
    dtype: float64
  - name: tag
    dtype: string
  - name: subtest
    dtype: string
  - name: year
    dtype: int64
  - name: month
    dtype: string
  - name: index
    dtype: int64
  - name: problem
    dtype: string
  - name: answer
    dtype: string
  - name: solution
    dtype: string
  - name: rating_tag
    dtype: string
  - name: test_tag
    dtype: string
  - name: item_difficulty
    dtype: float64
  - name: unnorm_rating
    dtype: float64
  - name: unnorm_rating_std
    dtype: float64
  - name: unnorm_rating_lower
    dtype: float64
  - name: unnorm_rating_upper
    dtype: float64
  - name: ever_exist
    dtype: bool
  splits:
  - name: train
    num_bytes: 1306215
    num_examples: 1000
  - name: eval
    num_bytes: 3935954
    num_examples: 2975
  download_size: 2811269
  dataset_size: 5242169
- config_name: E2H-Codeforces
  features:
  - name: contest_id
    dtype: int64
  - name: problem_index
    dtype: string
  - name: rating
    dtype: float64
  - name: rating_std
    dtype: float64
  - name: rating_volatility
    dtype: float64
  - name: rating_quantile
    dtype: float64
  - name: tag
    dtype: string
  - name: detailed_tag
    dtype: string
  - name: problem_name
    dtype: string
  - name: problem_main
    dtype: string
  - name: problem_note
    dtype: string
  - name: input_spec
    dtype: string
  - name: output_spec
    dtype: string
  - name: sample_inputs
    sequence: string
  - name: sample_outputs
    sequence: string
  - name: inputs
    sequence: string
  - name: answers
    sequence: string
  - name: input_output
    struct:
    - name: inputs
      sequence: string
    - name: outputs
      sequence: string
  - name: solution_id_0
    dtype: int64
  - name: solution_0
    dtype: string
  - name: outputs_0
    sequence: string
  - name: solution_id_1
    dtype: int64
  - name: solution_1
    dtype: string
  - name: outputs_1
    sequence: string
  - name: solution_id_2
    dtype: int64
  - name: solution_2
    dtype: string
  - name: outputs_2
    sequence: string
  - name: unnorm_rating
    dtype: float64
  - name: unnorm_rating_std
    dtype: float64
  - name: unnorm_rating_volatility
    dtype: float64
  - name: reference_rating
    dtype: float64
  - name: original_tags
    sequence: string
  - name: ever_exist
    dtype: bool
  splits:
  - name: train
    num_bytes: 25286548
    num_examples: 3663
  - name: eval
    num_bytes: 52688262
    num_examples: 4000
  download_size: 33577472
  dataset_size: 77974810
- config_name: E2H-Lichess
  features:
  - name: puzzle_id
    dtype: string
  - name: rating
    dtype: float64
  - name: rating_std
    dtype: float64
  - name: rating_quantile
    dtype: float64
  - name: tag
    dtype: string
  - name: fen
    dtype: string
  - name: pgn
    dtype: string
  - name: annotated_pgn
    dtype: string
  - name: uci_seq
    dtype: string
  - name: san_seq
    dtype: string
  - name: answer_san
    dtype: string
  - name: answer_uci
    dtype: string
  - name: init_num_moves
    dtype: int64
  - name: player
    dtype: string
  - name: popularity_score
    dtype: int64
  - name: puzzle_num_plays
    dtype: int64
  - name: motif_tags
    sequence: string
  - name: phase_tags
    sequence: string
  - name: mate_tags
    sequence: string
  - name: special_move_tags
    sequence: string
  - name: game_origin_tags
    sequence: string
  - name: opening_tags
    sequence: string
  - name: game_hash
    dtype: string
  - name: game_url
    dtype: string
  - name: game_pgn
    dtype: string
  - name: game_annotated_pgn
    dtype: string
  - name: unnorm_rating
    dtype: int64
  - name: unnorm_rating_std
    dtype: int64
  - name: previous_fen
    dtype: string
  - name: last_move_uci
    dtype: string
  splits:
  - name: train
    num_bytes: 633749139
    num_examples: 71763
  - name: eval
    num_bytes: 44154200
    num_examples: 5000
  download_size: 297840777
  dataset_size: 677903339
configs:
- config_name: E2H-AMC
  data_files:
  - split: train
    path: E2H-AMC/train-*
  - split: eval
    path: E2H-AMC/eval-*
- config_name: E2H-Codeforces
  data_files:
  - split: train
    path: E2H-Codeforces/train-*
  - split: eval
    path: E2H-Codeforces/eval-*
- config_name: E2H-Lichess
  data_files:
  - split: train
    path: E2H-Lichess/train-*
  - split: eval
    path: E2H-Lichess/eval-*
---