Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.039 wins per game over 64 seeds (95% interval -0.049 to +0.127).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run b8abe69e-c8b2-418b-a2fc-c70f9425afe9
Status: completed. Experiment: 350b4c24-02bf-4f36-a9d0-90ff71f25ae9. 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,"endgame":{"hidden_points":true}} | 107 | 256 | 41.8% | 35.9%–47.9% | 7.76 | 241.4 ms |
1 / v2:{"depth":2} | 97 | 256 | 37.9% | 32.2%–44.0% | 7.41 | 241.6 ms |
2 / eta | 30 | 256 | 11.7% | 8.3%–16.2% | 6.74 | 0.3 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.60 | 0.2 ms |
Paired contrast slot 0 minus slot 1: +0.039 wins per game over 64 seeds (95% interval -0.049 to +0.127).
Manifest SHA-256: 80c12b9f90afaad4de2703efcbf4f5d42c4280212691800959a322fcfc4ed1cc. Inventory SHA-256: 29c19ec6562a9d46e8c0051a7868ec4f7ef1e5561602ef8eb62cd96548e88cae.
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.