Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.062 wins per game over 64 seeds (95% interval -0.175 to +0.050).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run d611102f-d5c0-4828-9131-1e746844ff65
Status: completed. Experiment: 2606ce37-f24c-4281-9137-09fabc03c43f. 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"... | 88 | 256 | 34.4% | 28.8%–40.4% | 7.70 | 91.6 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 104 | 256 | 40.6% | 34.8%–46.7% | 7.92 | 96.0 ms |
2 / eta | 38 | 256 | 14.8% | 11.0%–19.7% | 7.16 | 0.0 ms |
3 / fast | 26 | 256 | 10.2% | 7.0%–14.5% | 6.82 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.062 wins per game over 64 seeds (95% interval -0.175 to +0.050).
Manifest SHA-256: f7fad4fd802fb7a172cc339f51cff9afcec7880d789d112cf2e6a09ba2ac2c1b. Inventory SHA-256: 9de0a50c50d67db4d18c05512d88db019ebc849da419afa2ce406a164d3c3b80.
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.