Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.051 wins per game over 64 seeds (95% interval -0.166 to +0.064).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run e5e7218e-5a00-4689-842d-01228f1bca19
Status: completed. Experiment: ffd6d2e1-f30a-4792-b615-b56f5a3d75a6. 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":1,"scenarios":8,"inner_scenarios":4} | 89 | 256 | 34.8% | 29.2%–40.8% | 7.73 | 35.8 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 102 | 256 | 39.8% | 34.0%–45.9% | 7.91 | 98.0 ms |
2 / eta | 49 | 256 | 19.1% | 14.8%–24.4% | 7.34 | 0.0 ms |
3 / fast | 16 | 256 | 6.2% | 3.9%–9.9% | 6.70 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.051 wins per game over 64 seeds (95% interval -0.166 to +0.064).
Manifest SHA-256: 38606c4f1097c0eb46084e0b97471b3ec5c920308588e65903f48b7511167a0d. Inventory SHA-256: 0204d437c4ac485f8472f7743f1dd35aff7ca1a9a28ccca0085dbf8e53df1da6.
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.