Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.156 wins per game over 64 seeds (95% interval +0.051 to +0.262).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 169b0772-f6c8-46ff-8eb3-aa8b5f0f6cfb
Status: completed. Experiment: 9ed38762-4927-4f9e-bb2b-b45e893a1834. 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"... | 122 | 256 | 47.7% | 41.6%–53.8% | 7.78 | 131.6 ms |
1 / v2:{"depth":3,"time_budget_ms":1500,"samples":4,"scenario... | 82 | 256 | 32.0% | 26.6%–38.0% | 7.15 | 364.5 ms |
2 / eta | 37 | 256 | 14.5% | 10.7%–19.3% | 6.89 | 0.0 ms |
3 / fast | 15 | 256 | 5.9% | 3.6%–9.4% | 6.39 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.156 wins per game over 64 seeds (95% interval +0.051 to +0.262).
Manifest SHA-256: 4b24bfe6f9a1bf762b9f585ab2d384c712f585aae435c5e0a082dac7d82d9455. Inventory SHA-256: 013b02945cd0f25a532fa9c90e459e0f8b220de53e43a7a08ec44f88363f53d8.
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.