Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.074 wins per game over 64 seeds (95% interval -0.169 to +0.021).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 52198182-e594-45d0-b71a-71c6f90835e4
Status: completed. Experiment: 5dc192e6-ffea-4c4b-95b3-48f3bcffe2df. 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"... | 87 | 256 | 34.0% | 28.5%–40.0% | 7.76 | 92.2 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 106 | 256 | 41.4% | 35.5%–47.5% | 7.92 | 93.0 ms |
2 / eta | 39 | 256 | 15.2% | 11.3%–20.1% | 7.30 | 0.0 ms |
3 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.62 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.074 wins per game over 64 seeds (95% interval -0.169 to +0.021).
Manifest SHA-256: 378e2d5382c8b145799cac62a3189699f58b32cbc24f7b9e1b8dd29da55cf913. Inventory SHA-256: 37002b4cae51d56f99893f6abf00f84df1ebd4c51a16e0573b606398c3b23493.
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.