Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.414 wins per game over 64 seeds (95% interval +0.327 to +0.502).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 156f77ff-b781-42d6-b6e0-999bdf9506fe
Status: completed. Experiment: 11cb5a59-5490-4a78-96cf-2332d8364cf2. Tier: engine arena (paired seeds).
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":3,"time_budget_ms":1500,"samples":4,"scenario... | 147 | 256 | 57.4% | 51.3%–63.3% | 8.59 | 359.9 ms |
1 / eta | 41 | 256 | 16.0% | 12.0%–21.0% | 6.99 | 0.0 ms |
2 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.58 | 0.0 ms |
3 / eta | 44 | 256 | 17.2% | 13.1%–22.3% | 7.15 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.414 wins per game over 64 seeds (95% interval +0.327 to +0.502).
Manifest SHA-256: 37ef65d517536e75e54ed46a7753439ba53f709c7bac65ed96318fa97ca653ef. Inventory SHA-256: 6e30a1cf6d417973a5205d6f9b4b55281393321087d54c98fad36f98ff08f509.
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.