Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.098 wins per game over 64 seeds (95% interval -0.032 to +0.228).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run d89ea4de-913b-4255-af42-ba2f18309e87
Status: completed. Experiment: 54d3e49d-185d-4a40-945c-8ddafc20c5ef. 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"} | 117 | 256 | 45.7% | 39.7%–51.8% | 7.91 | 169.5 ms |
1 / v2:{"depth":2} | 92 | 256 | 35.9% | 30.3%–42.0% | 7.52 | 128.2 ms |
2 / eta | 25 | 256 | 9.8% | 6.7%–14.0% | 6.61 | 0.1 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.72 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.098 wins per game over 64 seeds (95% interval -0.032 to +0.228).
Manifest SHA-256: f7bb7b5c21a90db9edba2d2db55ff58c324fcce0e4e13d43699e16a2e0445bb9. Inventory SHA-256: 38929f4e1087138c2f4e5cc3210479777b7b25e0f7deebdb3e58523332db3d55.
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.