Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.172 wins per game over 64 seeds (95% interval +0.056 to +0.287).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run b5bd6e07-98f8-42aa-ac82-79b060e116cf
Status: completed. Experiment: 5af081f1-c109-4390-9bea-2ca7f451d43a. 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"... | 107 | 256 | 41.8% | 35.9%–47.9% | 7.50 | 127.1 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 63 | 256 | 24.6% | 19.7%–30.2% | 6.86 | 89.7 ms |
2 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 58 | 256 | 22.7% | 18.0%–28.2% | 6.96 | 92.3 ms |
3 / eta | 28 | 256 | 10.9% | 7.7%–15.4% | 6.81 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.172 wins per game over 64 seeds (95% interval +0.056 to +0.287).
Manifest SHA-256: e82905affb529217ea5b3404c564b8089aaf7d17e676535b9dd86717802e061d. Inventory SHA-256: 9ddce9fb360581a7459f828503bc28ec3421d3e1710d45a9d7bfeba92d2f00b9.
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.