Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.062 wins per game over 64 seeds (95% interval -0.049 to +0.174).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run da0b1591-e74e-4e56-96b1-1ece9b37900f
Status: completed. Experiment: 0fa24829-d9d8-42c3-b2b5-bf4c79f7e263. 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,"opening":"search"} | 116 | 256 | 45.3% | 39.3%–51.4% | 8.05 | 344.4 ms |
1 / v2:{"depth":2} | 100 | 256 | 39.1% | 33.3%–45.2% | 7.66 | 257.3 ms |
2 / eta | 16 | 256 | 6.2% | 3.9%–9.9% | 6.50 | 0.3 ms |
3 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.55 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.062 wins per game over 64 seeds (95% interval -0.049 to +0.174).
Manifest SHA-256: cf1445d90e31746f319dd3823491f40dc713b5be2647e09b7fcc4e87bf71d966. Inventory SHA-256: c2243c3dc97bec5621023ec77a564fdea8e312bfe1bc7ae3a66eebe571a40e48.
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.