Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.129 wins per game over 64 seeds (95% interval +0.039 to +0.219).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 2f8fae6f-5212-4cde-801b-ffd9be58445a
Status: completed. Experiment: e79ff8a3-f22e-4590-b9cc-67e17a2b0c20. 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,"weights":{"hand_risk":2.0}} | 124 | 256 | 48.4% | 42.4%–54.5% | 8.20 | 54.2 ms |
1 / v2:{"depth":2} | 91 | 256 | 35.5% | 29.9%–41.6% | 7.44 | 52.1 ms |
2 / eta | 25 | 256 | 9.8% | 6.7%–14.0% | 6.62 | 0.1 ms |
3 / fast | 16 | 256 | 6.2% | 3.9%–9.9% | 6.43 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.129 wins per game over 64 seeds (95% interval +0.039 to +0.219).
Manifest SHA-256: cb55a98bf57dba3438da7e838ee60c910eabc7ed0f0607178da41440fcf3fad3. Inventory SHA-256: 22d11c01391e3e9bd154f5b0467fffb73159576b34cd9b46b89fb32627e8f2da.
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.