Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.180 wins per game over 64 seeds (95% interval +0.075 to +0.285).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 689a1947-ee7a-4767-ac08-d8302f407c50
Status: completed. Experiment: e1913588-7c22-4573-88e2-04728f60c820. 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} | 130 | 256 | 50.8% | 44.7%–56.8% | 8.26 | 82.5 ms |
1 / v2:{"depth":2} | 84 | 256 | 32.8% | 27.4%–38.8% | 7.43 | 80.7 ms |
2 / eta | 25 | 256 | 9.8% | 6.7%–14.0% | 6.77 | 0.1 ms |
3 / fast | 17 | 256 | 6.6% | 4.2%–10.4% | 6.39 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.180 wins per game over 64 seeds (95% interval +0.075 to +0.285).
Manifest SHA-256: b69c4f0d3287dcaff9c42b48b65ee58ae8e74f36b9206de5134f70673824a25d. Inventory SHA-256: fe21b4d320144c20a0f4b0a1663e41166b81c7a93244e4e5767bdaa6954c9d56.
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.