Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.031 wins per game over 64 seeds (95% interval -0.078 to +0.140).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 2fd1cb5e-f0be-4ef1-b216-7a97973b9239
Status: completed. Experiment: 36f5f80e-352f-4062-b962-fbde755828be. 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,"weights":{"opponent_expansion":0.5}} | 112 | 256 | 43.8% | 37.8%–49.9% | 7.80 | 314.4 ms |
1 / v2:{"depth":2} | 104 | 256 | 40.6% | 34.8%–46.7% | 7.52 | 231.8 ms |
2 / eta | 21 | 256 | 8.2% | 5.4%–12.2% | 6.77 | 0.3 ms |
3 / fast | 19 | 256 | 7.4% | 4.8%–11.3% | 6.54 | 0.2 ms |
Paired contrast slot 0 minus slot 1: +0.031 wins per game over 64 seeds (95% interval -0.078 to +0.140).
Manifest SHA-256: f04db63403551f7f798fd2cf220e7065bcc36584e48cf0c578b94dbba0333c9d. Inventory SHA-256: 3b9cb57e50b366ca6624cc55b1b8f51196bd534e7777bf130598efae4ea34dfc.
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.