Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.023 wins per game over 64 seeds (95% interval -0.109 to +0.062).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 41c28f22-84a4-4393-8af2-e87b1fce4503
Status: completed. Experiment: 86f142ed-1caa-4dcb-a3e1-056928a02349. 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} | 97 | 256 | 37.9% | 32.2%–44.0% | 7.75 | 123.9 ms |
1 / v2:{"depth":2} | 103 | 256 | 40.2% | 34.4%–46.3% | 7.81 | 173.4 ms |
2 / eta | 35 | 256 | 13.7% | 10.0%–18.4% | 6.75 | 0.2 ms |
3 / fast | 21 | 256 | 8.2% | 5.4%–12.2% | 6.56 | 0.2 ms |
Paired contrast slot 0 minus slot 1: -0.023 wins per game over 64 seeds (95% interval -0.109 to +0.062).
Manifest SHA-256: 2732bf191e7bebc8fac1fb997ca6fef2b5e0e462cf56fe9f319da591bfa2ac94. Inventory SHA-256: e17ea3a85de8318b2738c21bc30d27eee6a74ab545866aebf822e3e2ca68db85.
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.