Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.031 wins per game over 64 seeds (95% interval -0.082 to +0.145).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run dee1f84c-7e07-4ae7-ac8c-e8ae30998e6b
Status: completed. Experiment: caf6e656-fccc-424f-addf-f0ed62e384f8. 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,"samples":4,"scenarios":8,"inner_scenarios"... | 109 | 256 | 42.6% | 36.7%–48.7% | 7.55 | 100.6 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios"... | 101 | 256 | 39.5% | 33.7%–45.6% | 7.24 | 90.7 ms |
2 / eta | 31 | 256 | 12.1% | 8.7%–16.7% | 6.46 | 0.0 ms |
3 / fast | 15 | 256 | 5.9% | 3.6%–9.4% | 5.99 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.031 wins per game over 64 seeds (95% interval -0.082 to +0.145).
Manifest SHA-256: 3988cea0a225d3bf2a668260a139d3c223a42085a2f305f1fb43841e17a33e07. Inventory SHA-256: 99482168bad63a13029047100e98be45c8a0485255c426aa58fe0cd2da895fbf.
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.