Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.020 wins per game over 64 seeds (95% interval -0.086 to +0.125).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 03b1a60e-01fb-4a0f-85a6-db7c83a98472
Status: completed. Experiment: 121e3a9a-0872-437b-aa79-775732541a26. 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":4,"scenarios":8,"inner_scenarios"... | 97 | 256 | 37.9% | 32.2%–44.0% | 7.80 | 101.3 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 92 | 256 | 35.9% | 30.3%–42.0% | 7.70 | 104.0 ms |
2 / eta | 42 | 256 | 16.4% | 12.4%–21.4% | 7.22 | 0.0 ms |
3 / fast | 25 | 256 | 9.8% | 6.7%–14.0% | 6.80 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.020 wins per game over 64 seeds (95% interval -0.086 to +0.125).
Manifest SHA-256: 2cb552418f6f705f5b7ec133c11f3da05a6e5db22f89a17dee44b6b544409ed5. Inventory SHA-256: 1dfef84af91fd7398e27fce451ad0dc84903de082af1b79b68fe1ac317ea00f6.
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.