Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.117 wins per game over 64 seeds (95% interval +0.022 to +0.212).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 0ce9ecc0-7374-4c7c-8178-4d99db3ed0e1
Status: completed. Experiment: 0c77ef63-6296-410b-a0c5-191d054e055a. 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,"robber":{"threat":true}} | 122 | 256 | 47.7% | 41.6%–53.8% | 8.23 | 115.9 ms |
1 / v2:{"depth":2} | 92 | 256 | 35.9% | 30.3%–42.0% | 7.55 | 111.6 ms |
2 / eta | 26 | 256 | 10.2% | 7.0%–14.5% | 6.71 | 0.1 ms |
3 / fast | 16 | 256 | 6.2% | 3.9%–9.9% | 6.44 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.117 wins per game over 64 seeds (95% interval +0.022 to +0.212).
Manifest SHA-256: ac1c934ff0c875a3c9c0adddb216054b27bf54ac0c05828b5c844ff81cfa1a43. Inventory SHA-256: 0eef43ab2bd144adebaa0f79df6f48e57e58fdbb0fb7efe9cca8399ec7381e17.
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.