Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.105 wins per game over 64 seeds (95% interval -0.206 to -0.005).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 223be9e1-3f6b-4211-8879-40ce3b8fc8c0
Status: completed. Experiment: 02dea57a-7696-497f-a35f-cd052cc62d60. 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,"counters":false} | 89 | 256 | 34.8% | 29.2%–40.8% | 7.55 | 194.1 ms |
1 / v2:{"depth":2} | 116 | 256 | 45.3% | 39.3%–51.4% | 7.95 | 287.2 ms |
2 / eta | 29 | 256 | 11.3% | 8.0%–15.8% | 6.98 | 0.3 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.80 | 0.3 ms |
Paired contrast slot 0 minus slot 1: -0.105 wins per game over 64 seeds (95% interval -0.206 to -0.005).
Manifest SHA-256: 6367fa66d35b30d4bdfc6133612df9c13c808ddaad0c9a37662d11ac99956365. Inventory SHA-256: a438b409faba2557ae708a0b1cd3dabdbfca250df1e284efc39180f1e048ce10.
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.