Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.020 wins per game over 64 seeds (95% interval -0.084 to +0.123).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run c4427fe6-e074-4598-83cc-aa2e4a0dc283
Status: completed. Experiment: 4bfdcc3b-4477-441e-a153-86b88ea65fcb. 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"... | 99 | 256 | 38.7% | 32.9%–44.8% | 7.81 | 94.8 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 94 | 256 | 36.7% | 31.1%–42.8% | 7.79 | 97.7 ms |
2 / eta | 39 | 256 | 15.2% | 11.3%–20.1% | 7.27 | 0.0 ms |
3 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.81 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.020 wins per game over 64 seeds (95% interval -0.084 to +0.123).
Manifest SHA-256: 32baeced77b7bd4c2a116d179d427931372815d7059a97fee8eb2ab32d9fe49e. Inventory SHA-256: 84d7203a5d6524f344eeea98f320a19497b70a839a84d483d1ec2f906c8eadb9.
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.