Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.410 wins per game over 64 seeds (95% interval -0.489 to -0.331).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 917f7901-15a9-410f-b8f5-314a8041ab5b
Status: completed. Experiment: 83d09512-2953-41a0-9e6b-3764be0542a4. 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":2,"inner_scenarios":1} | 27 | 256 | 10.5% | 7.4%–14.9% | 5.71 | 36.7 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 132 | 256 | 51.6% | 45.5%–57.6% | 8.25 | 104.0 ms |
2 / eta | 62 | 256 | 24.2% | 19.4%–29.8% | 7.57 | 0.0 ms |
3 / fast | 35 | 256 | 13.7% | 10.0%–18.4% | 6.83 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.410 wins per game over 64 seeds (95% interval -0.489 to -0.331).
Manifest SHA-256: cf5c67edcd211b90b230184e68deba6d9098e6ab96d2f84fd356c7405ee7ea07. Inventory SHA-256: 3396a974b58727331326a9d1a1d50d1c9a03bdb22a85a64d5e3420343cfab6db.
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.