Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.129 wins per game over 64 seeds (95% interval +0.041 to +0.217).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 165a28ac-94d3-4ebb-bbdf-989abb243bea
Status: completed. Experiment: d918fac6-a824-440b-a3e6-24c4d93743f3. 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} | 119 | 256 | 46.5% | 40.5%–52.6% | 7.90 | 65.7 ms |
1 / v2:{"depth":2,"robber":{"need":true}} | 86 | 256 | 33.6% | 28.1%–39.6% | 7.30 | 64.5 ms |
2 / eta | 29 | 256 | 11.3% | 8.0%–15.8% | 6.78 | 0.1 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.63 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.129 wins per game over 64 seeds (95% interval +0.041 to +0.217).
Manifest SHA-256: 3b94c924e06b662af0daf7e919f9d23c6d19569434c8d8fe12490ec8965413e5. Inventory SHA-256: cbb7108cf743f4c23d94680230ddee22c1141ebc0bd11dff1193472d7a6ebb17.
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.