Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.039 wins per game over 192 seeds (95% interval -0.021 to +0.099).
- Planned
- 768
- Attempted
- 768
- Completed
- 768
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run b4d274b1-d42c-44cb-bb54-25bfa331f346
Status: completed. Experiment: d2b07b97-2bbc-4769-9b5b-9c98aea4db4a. Tier: engine arena (paired seeds, deterministic tapes).
Planned: 768. Attempted: 768. Completed: 768. 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"... | 307 | 768 | 40.0% | 36.6%–43.5% | 7.91 | 93.8 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 277 | 768 | 36.1% | 32.7%–39.5% | 7.61 | 93.1 ms |
2 / eta | 108 | 768 | 14.1% | 11.8%–16.7% | 6.98 | 0.0 ms |
3 / fast | 76 | 768 | 9.9% | 8.0%–12.2% | 6.79 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.039 wins per game over 192 seeds (95% interval -0.021 to +0.099).
Manifest SHA-256: 3a706969d23dd39808c1ecc2f4bd1b670e6c2b0e54052d7ddd4067de4795c415. Inventory SHA-256: a125b3a98be16c88cdd71cf6cdab83dd9ceaf4050d01655992457f9aaab1f197.
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.