Datasets:

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chess-agi-results

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Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
schema: string
elo_definition: string
model_id: string
params: int64
params_estimated: bool
method: string
elo: int64
error_rate: double
first_try_moves: int64
illegal_attempts: int64
model_moves: int64
games_per_method: int64
max_plies: int64
stockfish_skill: int64
stockfish_depth: int64
max_retries_per_move: int64
hints_given: bool
timestamp: string
games: list<item: struct<method: string, model_side: string, plies: int64, result: string, forfeit: bool, p (... 12 chars omitted)
  child 0, item: struct<method: string, model_side: string, plies: int64, result: string, forfeit: bool, pgn: string>
      child 0, method: string
      child 1, model_side: string
      child 2, plies: int64
      child 3, result: string
      child 4, forfeit: bool
      child 5, pgn: string
to
{'schema': Value('string'), 'model_id': Value('string'), 'params': Value('int64'), 'params_estimated': Value('bool'), 'method': Value('string'), 'elo': Value('int64'), 'error_rate': Value('float64'), 'first_try_moves': Value('int64'), 'illegal_attempts': Value('int64'), 'model_moves': Value('int64'), 'games_per_method': Value('int64'), 'max_plies': Value('int64'), 'stockfish_skill': Value('int64'), 'stockfish_depth': Value('int64'), 'max_retries_per_move': Value('int64'), 'hints_given': Value('bool'), 'timestamp': Value('string'), 'games': List({'method': Value('string'), 'model_side': Value('string'), 'plies': Value('int64'), 'result': Value('string'), 'forfeit': Value('bool'), 'pgn': Value('string')})}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              schema: string
              elo_definition: string
              model_id: string
              params: int64
              params_estimated: bool
              method: string
              elo: int64
              error_rate: double
              first_try_moves: int64
              illegal_attempts: int64
              model_moves: int64
              games_per_method: int64
              max_plies: int64
              stockfish_skill: int64
              stockfish_depth: int64
              max_retries_per_move: int64
              hints_given: bool
              timestamp: string
              games: list<item: struct<method: string, model_side: string, plies: int64, result: string, forfeit: bool, p (... 12 chars omitted)
                child 0, item: struct<method: string, model_side: string, plies: int64, result: string, forfeit: bool, pgn: string>
                    child 0, method: string
                    child 1, model_side: string
                    child 2, plies: int64
                    child 3, result: string
                    child 4, forfeit: bool
                    child 5, pgn: string
              to
              {'schema': Value('string'), 'model_id': Value('string'), 'params': Value('int64'), 'params_estimated': Value('bool'), 'method': Value('string'), 'elo': Value('int64'), 'error_rate': Value('float64'), 'first_try_moves': Value('int64'), 'illegal_attempts': Value('int64'), 'model_moves': Value('int64'), 'games_per_method': Value('int64'), 'max_plies': Value('int64'), 'stockfish_skill': Value('int64'), 'stockfish_depth': Value('int64'), 'max_retries_per_move': Value('int64'), 'hints_given': Value('bool'), 'timestamp': Value('string'), 'games': List({'method': Value('string'), 'model_side': Value('string'), 'plies': Value('int64'), 'result': Value('string'), 'forfeit': Value('bool'), 'pgn': Value('string')})}
              because column names don't match