Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.023 wins per game over 64 seeds (95% interval -0.134 to +0.087).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 0b9e852a-cc87-4d37-8694-ef01545b677e
Status: completed. Experiment: fdef89d3-12de-4995-a93d-4c0c3c65e946. 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"... | 90 | 256 | 35.2% | 29.6%–41.2% | 7.57 | 88.0 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 96 | 256 | 37.5% | 31.8%–43.6% | 7.79 | 97.4 ms |
2 / eta | 43 | 256 | 16.8% | 12.7%–21.9% | 7.22 | 0.0 ms |
3 / fast | 27 | 256 | 10.5% | 7.4%–14.9% | 6.74 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.023 wins per game over 64 seeds (95% interval -0.134 to +0.087).
Manifest SHA-256: eb58b25d247598425e22175319580b6d8db7f470985c372ccba16ef35f081673. Inventory SHA-256: e8d425b8b536da1aed837712403aefefbb4fd33af9898f76ac200d01ab561405.
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.