Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.137 wins per game over 64 seeds (95% interval +0.045 to +0.228).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run f00bca4c-d10a-442a-9b71-de1b547e886d
Status: completed. Experiment: eb473bb8-2b3a-439a-9ab8-7332b460153b. 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} | 122 | 256 | 47.7% | 41.6%–53.8% | 8.29 | 294.5 ms |
1 / v2:{"depth":2,"predict":{"opponents":true}} | 87 | 256 | 34.0% | 28.5%–40.0% | 7.47 | 283.4 ms |
2 / eta | 28 | 256 | 10.9% | 7.7%–15.4% | 6.73 | 0.3 ms |
3 / fast | 19 | 256 | 7.4% | 4.8%–11.3% | 6.48 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.137 wins per game over 64 seeds (95% interval +0.045 to +0.228).
Manifest SHA-256: 21513e4322770007ba9f0a7d43ef5a625560545b71fa14f82960f26c9e25b1cb. Inventory SHA-256: 4c9b07b5f25a6e1f1091a5716583866bbef774aebd06c05d75f80629f4b4e5a0.
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.