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export_summary_2026-03-31.md
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# Export Summary 2026-03-31
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## Selected Model
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- Hugging Face model repo: `avewright/chess-transformer-200m-latest`
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- Selected remote revision for republishing as `latest_model.pt`: `c01d9434fbcd1a5e501f2f82ff88e89134c30f29`
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- Selected checkpoint status:
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- `epoch=7`
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- `train_steps=2742`
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- `dataset_records=107851`
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- `last_eval.loss=1.3680388554930687`
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- `last_eval.acc=0.40478515625`
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- `last_eval.top3=0.69970703125`
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- Reason selected:
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- quick Elo test `outputs/elo_eval_paused_exp084_current.json` estimated `1646`
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- later quick Elo test `outputs/elo_eval_paused_exp084_current2.json` estimated `1600`
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- this earlier checkpoint was the stronger tested model
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## Frozen Dataset
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- Hugging Face dataset repo target: `avewright/exp085-parallel-multipv-harvest`
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- Local dataset source: `outputs/exp085_parallel_multipv_harvest`
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- Frozen after stopping live jobs and checkpointing SQLite WAL
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- Canonical frozen counts from JSONL line counts:
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- `dataset_files=44`
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- `dataset_records=224191`
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- `dataset_bytes=551330268`
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- `last_shard=positions_000044.jsonl`
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- `last_shard_records=2724`
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- Final status snapshot:
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- `written_positions=217718`
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- `exact_positions_seen=224181`
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- `records_per_min=553.31`
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- Note:
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- JSONL line counts are treated as canonical for export because they represent the durable training corpus on disk
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## Runtime State At Freeze
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- Training process: stopped
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- Harvester process: stopped
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- `tmux` sessions: stopped
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- Local resumable trainer checkpoint retained at `outputs/exp084_old_model_on_exp083/checkpoints/latest.pt`
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## Artifacts Published
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- Model repo:
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- `latest_model.pt`
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- `status.json`
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- `selected_elo_model_step2742.pt`
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- `selected_elo_model_step2742_status.json`
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- `selected_elo_model_step2742_summary.json`
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- Elo logs/json for both quick tests
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- Dataset repo:
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- `README.md`
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- `manifest.json`
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- `status.json`
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- `exp085.log`
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- `stdout.log`
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- `seen_positions.sqlite`
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- `dataset/positions_*.jsonl`
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## GitHub Push
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- Git remote: `origin https://github.com/avewright/transform.git`
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- Branch: `main`
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- Repository push includes:
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- code changes
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- architecture doc updates
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- export summary and dataset card
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