Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.117 wins per game over 64 seeds (95% interval +0.015 to +0.219).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 61c10388-f2ee-4a4e-9ef7-42d023b57199
Status: completed. Experiment: 40a3b6ce-d0a4-4752-8866-297729c539f9. Tier: engine arena (paired seeds, deterministic tapes).
Planned: 256. Attempted: 256. Completed: 256. Incomplete: 0. Unplayed: 0.
| Slot / seat | Wins | Completed | Win rate | 95% Wilson interval | Mean points | Mean decision |
|---|---|---|---|---|---|---|
0 / v2:{"depth":2} | 120 | 256 | 46.9% | 40.9%–53.0% | 8.17 | 249.8 ms |
1 / v2:{"depth":2,"accept_asks":false} | 90 | 256 | 35.2% | 29.6%–41.2% | 7.50 | 245.9 ms |
2 / eta | 27 | 256 | 10.5% | 7.4%–14.9% | 6.82 | 0.3 ms |
3 / fast | 19 | 256 | 7.4% | 4.8%–11.3% | 6.46 | 0.2 ms |
Paired contrast slot 0 minus slot 1: +0.117 wins per game over 64 seeds (95% interval +0.015 to +0.219).
Manifest SHA-256: a5557394c953d52f90fdaa42534ac399a8369a7f8201ed8878593f9b8e2f357d. Inventory SHA-256: 93f92c93f2c418cc9cfe747abd8f6a30c9cd87dbab17a46f4124a58f33d679b0.
Games were played offline by the engine arena with explicit seeds; every seed was played once per lineup rotation. Seats received only their own redacted observation and participant events. This tier supports development and diagnosis; it is not a protocol-arena confirmation.