Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.219 wins per game over 64 seeds (95% interval +0.124 to +0.314).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 09fb758b-051f-435c-aaa8-8c9454c3baa3
Status: completed. Experiment: ea8af9cc-c1f0-42b9-a388-b241e62cc7e0. 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,"samples":4,"scenarios":8,"inner_scenarios"... | 130 | 256 | 50.8% | 44.7%–56.8% | 8.10 | 125.0 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 74 | 256 | 28.9% | 23.7%–34.7% | 7.02 | 85.1 ms |
2 / eta | 32 | 256 | 12.5% | 9.0%–17.1% | 6.71 | 0.0 ms |
3 / fast | 20 | 256 | 7.8% | 5.1%–11.8% | 6.39 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.219 wins per game over 64 seeds (95% interval +0.124 to +0.314).
Manifest SHA-256: 6f2998edeef6b8daca3b67344441335798c8e8b424d24443f71dbfdfa5f0696f. Inventory SHA-256: ca1da03c2db23e7a0d08f283f5a12ad8b35387f081622ef73051e88c81831f51.
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.