Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.176 wins per game over 64 seeds (95% interval +0.083 to +0.268).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 91ddb42d-82ab-460b-95c2-b8d340658369
Status: completed. Experiment: 948d095b-afd8-467c-ad8b-408b80280e65. 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} | 128 | 256 | 50.0% | 43.9%–56.1% | 8.30 | 251.8 ms |
1 / v2:{"depth":2} | 83 | 256 | 32.4% | 27.0%–38.4% | 7.37 | 246.5 ms |
2 / eta | 26 | 256 | 10.2% | 7.0%–14.5% | 6.74 | 0.3 ms |
3 / fast | 19 | 256 | 7.4% | 4.8%–11.3% | 6.38 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.176 wins per game over 64 seeds (95% interval +0.083 to +0.268).
Manifest SHA-256: cbb8def88916e87ea9e7e5174fe6c637cf0b1538efac9c27229652c731996d2b. Inventory SHA-256: 7965a68c7dc1beec07292aca3909601aba75feb84cdac79a54eb7048299de28c.
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.