Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.051 wins per game over 64 seeds (95% interval -0.176 to +0.074).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 90009612-234c-4b68-b2b3-fa93885f84b9
Status: completed. Experiment: 6d9624c9-90bb-4427-8381-e706cec9389a. 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":4,"time_budget_ms":4000,"node_budget":5000000... | 89 | 256 | 34.8% | 29.2%–40.8% | 7.52 | 463.9 ms |
1 / v2:{"depth":3,"time_budget_ms":1500,"samples":4,"scenario... | 102 | 256 | 39.8% | 34.0%–45.9% | 7.72 | 278.4 ms |
2 / eta | 41 | 256 | 16.0% | 12.0%–21.0% | 7.03 | 0.0 ms |
3 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.85 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.051 wins per game over 64 seeds (95% interval -0.176 to +0.074).
Manifest SHA-256: f63aef3bebcfd22c2f8984a018e9038a87f1c25c16bfcb5830560220644c9664. Inventory SHA-256: d1638467cc39005514c6d5e0d85b338b682563c7292ca4d54c93989b38e771ff.
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.