Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.051 wins per game over 64 seeds (95% interval -0.057 to +0.159).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run b698064e-39e8-4d73-9844-ac3d5afefce6
Status: completed. Experiment: 9183b787-3f41-42c4-b275-2501bbde6cf4. 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} | 113 | 256 | 44.1% | 38.2%–50.3% | 8.00 | 267.9 ms |
1 / v2:{"depth":2,"opening":"search"} | 100 | 256 | 39.1% | 33.3%–45.2% | 7.64 | 349.8 ms |
2 / eta | 31 | 256 | 12.1% | 8.7%–16.7% | 6.79 | 0.3 ms |
3 / fast | 12 | 256 | 4.7% | 2.7%–8.0% | 6.25 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.051 wins per game over 64 seeds (95% interval -0.057 to +0.159).
Manifest SHA-256: 657d154b97385ca705f59ef3ca874b67e3ef7fe0502877ab3ee679e954e26ad6. Inventory SHA-256: 31ea2d33e7d30724aa0c03514bf00a56204d543f978acb55baf0f54615310e2d.
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.