Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.074 wins per game over 64 seeds (95% interval -0.026 to +0.175).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run bf40e515-3c42-4635-be06-668e61087efa
Status: completed. Experiment: 885bda0a-81cb-42df-8fad-284350dc0100. 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,"predict":{"opponents":true}} | 110 | 256 | 43.0% | 37.1%–49.1% | 7.89 | 268.9 ms |
1 / v2:{"depth":2} | 91 | 256 | 35.5% | 29.9%–41.6% | 7.45 | 276.1 ms |
2 / eta | 32 | 256 | 12.5% | 9.0%–17.1% | 6.68 | 0.3 ms |
3 / fast | 23 | 256 | 9.0% | 6.1%–13.1% | 6.71 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.074 wins per game over 64 seeds (95% interval -0.026 to +0.175).
Manifest SHA-256: f4d0050f7a1ab8c9168a4c91b20b35597235ce9352bd488d355e252358b1718d. Inventory SHA-256: de86bf37bcea17d65e3704147037ae759ec2c42ef333fdb363fb0b56b6fc2241.
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.