Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.016 wins per game over 64 seeds (95% interval -0.080 to +0.111).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run c6201b2c-9c97-499d-a23d-8954e60f0820
Status: completed. Experiment: 248620fd-8baa-49ab-aee8-d545d8380770. 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} | 107 | 256 | 41.8% | 35.9%–47.9% | 7.89 | 48.9 ms |
1 / v2:{"depth":2,"weights":{"opponent_expansion":0.5}} | 103 | 256 | 40.2% | 34.4%–46.3% | 7.65 | 67.9 ms |
2 / eta | 22 | 256 | 8.6% | 5.7%–12.7% | 6.68 | 0.1 ms |
3 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.66 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.016 wins per game over 64 seeds (95% interval -0.080 to +0.111).
Manifest SHA-256: 78d880c4d44ad4f6f70bd0fa4b88eabd8f08ba0d07d145d4463a404e304d6ffa. Inventory SHA-256: 3099a883e859d6b78bdb17f357b72514bbc1371360825de8abeda200c4a76e87.
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.