Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.078 wins per game over 64 seeds (95% interval -0.039 to +0.196).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 57717b3e-f5ab-4fa2-85a4-d35bf41c2868
Status: completed. Experiment: c36715d4-a947-4166-86a5-8ef0bca620c6. 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... | 129 | 256 | 50.4% | 44.3%–56.5% | 7.79 | 857.7 ms |
1 / v2:{"depth":3,"time_budget_ms":1500,"samples":4,"scenario... | 109 | 256 | 42.6% | 36.7%–48.7% | 7.49 | 447.1 ms |
2 / eta | 12 | 256 | 4.7% | 2.7%–8.0% | 5.88 | 0.0 ms |
3 / fast | 6 | 256 | 2.3% | 1.1%–5.0% | 5.82 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.078 wins per game over 64 seeds (95% interval -0.039 to +0.196).
Manifest SHA-256: b520a8502993c19bd6dfa4856ce3c125aac8d46ce9a79840444dff5004a8e46f. Inventory SHA-256: 9482339c74231650b6e76dab6e7d9f79716146a0d97a34c673f018ed79dcc3e8.
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.