Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.066 wins per game over 192 seeds (95% interval -0.125 to -0.008).
- Planned
- 768
- Attempted
- 768
- Completed
- 768
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 9fa439db-c29a-446b-94ea-147bae23e473
Status: completed. Experiment: 8d7ee4da-cd22-4292-9a5c-ee631b2dae6c. Tier: engine arena (paired seeds, deterministic tapes).
Planned: 768. Attempted: 768. Completed: 768. 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"... | 250 | 768 | 32.6% | 29.3%–35.9% | 7.44 | 114.0 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 301 | 768 | 39.2% | 35.8%–42.7% | 7.77 | 96.4 ms |
2 / eta | 131 | 768 | 17.1% | 14.6%–19.9% | 7.09 | 0.0 ms |
3 / fast | 86 | 768 | 11.2% | 9.2%–13.6% | 6.75 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.066 wins per game over 192 seeds (95% interval -0.125 to -0.008).
Manifest SHA-256: 4921cf0df1437dc7feae2f0793d4d2b33d551e09dc5f3ac6d6511719843bedc1. Inventory SHA-256: fa0ff80ed55d4b7046a8d6c22352d9815f50b3e2abb896235968336da2bb6928.
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.