Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.031 wins per game over 64 seeds (95% interval -0.145 to +0.082).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 392cc1bc-8a64-4adc-825f-3058c66e006a
Status: completed. Experiment: 04515fd6-3f1a-4d87-9baf-b603885badb9. 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":3,"time_budget_ms":1500,"cache":"turn","sampl... | 107 | 256 | 41.8% | 35.9%–47.9% | 7.50 | 368.4 ms |
1 / v2:{"depth":3,"time_budget_ms":1500,"cache":"none","sampl... | 115 | 256 | 44.9% | 38.9%–51.0% | 7.75 | 434.0 ms |
2 / eta | 24 | 256 | 9.4% | 6.4%–13.6% | 6.20 | 0.0 ms |
3 / fast | 10 | 256 | 3.9% | 2.1%–7.0% | 5.84 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.031 wins per game over 64 seeds (95% interval -0.145 to +0.082).
Manifest SHA-256: d7ca6b7143819cbabcc95323559b17c4d26811dd6c21c1f42e2b525041578bb2. Inventory SHA-256: 11408693b2e627d116273c23170c509a1689bbfcbe5c47e35417402ff599e931.
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.