Add chess position batches

train/lichess_db_standard_rated_2022-08/batch_0001.meta.json

@@ -0,0 +1 @@
+{"schema_version": 4, "source": {"provider": "lichess", "archive_id": "lichess_db_standard_rated_2022-08", "url": "https://database.lichess.org/standard/lichess_db_standard_rated_2022-08.pgn.zst"}, "batch": {"split": "train", "batch_number": 1, "chunk_index": 800, "seq": 0, "file_name": "batch_0001.parquet"}, "stats": {"num_games": 100000, "num_positions": 7653171, "duplicates_dropped": 0, "file_sha256": "92b4e01d6766748475d371410bbe01e1738477cabb91a97a721e648039cf54b9", "unigram_counts": [0, 0, 0, 0, 318507790, 43913871, 8102001, 8831833, 11818620, 5249034, 7653171, 44048449, 8055314, 8935488, 11809669, 5224533, 7653171, 3800797, 3852374, 5261994, 43006, 16889, 289129, 67732, 4072, 749, 15169, 23332, 621, 2335, 6847, 418887, 17496, 6765, 1478148, 7642967, 171, 546, 533, 375, 152, 883, 369, 96, 110, 640, 845, 1356, 873, 2717, 332, 206]}, "range": {"date_min": "2022-08-01", "date_max": "2022-08-08"}, "config": {"batch_size": 100000, "train_ratio": 0.95, "subsampling": {"tiers": [{"min_elo": 2200, "rate": 1.0}, {"min_elo": 1900, "rate": 0.1}, {"min_elo": 0, "rate": 0.001}]}, "time_control_filter": {"min_seconds": 300}}, "provenance": {"config_fingerprint": "fa4b4bc94e351664c1a3b253664023daaaef8d5c", "pipeline_version": "3", "created_at": "2026-10-27T10:28:55.119578+00:00"}}

train/lichess_db_standard_rated_2022-08/batch_0001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92b4e01d6766748475d371410bbe01e1738477cabb91a97a721e648039cf54b9
+size 124346921

train/lichess_db_standard_rated_2022-08/batch_0002.meta.json

@@ -0,0 +1 @@
+{"schema_version": 4, "source": {"provider": "lichess", "archive_id": "lichess_db_standard_rated_2022-08", "url": "https://database.lichess.org/standard/lichess_db_standard_rated_2022-08.pgn.zst"}, "batch": {"split": "train", "batch_number": 2, "chunk_index": 1171, "seq": 0, "file_name": "batch_0002.parquet"}, "stats": {"num_games": 100000, "num_positions": 7730542, "duplicates_dropped": 0, "file_sha256": "01eb96e2bc2a510d29687bd88b7cf171e3d99401ff23fa7a20e858573d8dc1b3", "unigram_counts": [0, 0, 0, 0, 322238756, 44251509, 8158933, 8858670, 11875191, 5298540, 7730542, 44392659, 8101696, 8975558, 11859624, 5282468, 7730542, 3839444, 3891098, 5353393, 41222, 17454, 289058, 65559, 4540, 770, 15278, 23766, 659, 2464, 6745, 413513, 17747, 6707, 1471667, 7720575, 177, 457, 573, 345, 159, 872, 342, 96, 121, 621, 855, 1281, 928, 2611, 342, 187]}, "range": {"date_min": "2022-08-08", "date_max": "2022-08-12"}, "config": {"batch_size": 100000, "train_ratio": 0.95, "subsampling": {"tiers": [{"min_elo": 2200, "rate": 1.0}, {"min_elo": 1900, "rate": 0.1}, {"min_elo": 0, "rate": 0.001}]}, "time_control_filter": {"min_seconds": 300}}, "provenance": {"config_fingerprint": "fa4b4bc94e351664c1a3b253664023daaaef8d5c", "pipeline_version": "3", "created_at": "2026-10-27T10:43:49.203448+00:00"}}

train/lichess_db_standard_rated_2022-08/batch_0002.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:01eb96e2bc2a510d29687bd88b7cf171e3d99401ff23fa7a20e858573d8dc1b3
+size 125577908