Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.078 wins per game over 64 seeds (95% interval -0.010 to +0.166).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run c7b6767b-1bc5-4f19-a2d5-b348c5e4959b
Status: completed. Experiment: b45005ae-66e6-4290-ae8a-7959a8d4d7c3. 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,"endgame":{"race":true}} | 110 | 256 | 43.0% | 37.1%–49.1% | 7.82 | 233.6 ms |
1 / v2:{"depth":2} | 90 | 256 | 35.2% | 29.6%–41.2% | 7.30 | 234.6 ms |
2 / eta | 36 | 256 | 14.1% | 10.3%–18.9% | 6.75 | 0.3 ms |
3 / fast | 20 | 256 | 7.8% | 5.1%–11.8% | 6.56 | 0.2 ms |
Paired contrast slot 0 minus slot 1: +0.078 wins per game over 64 seeds (95% interval -0.010 to +0.166).
Manifest SHA-256: 05568f9b66d64a132346cb69c4b7db69a03cd0177be5454e52e6f06c6d480612. Inventory SHA-256: 5fb7aa449f4a614fbf7b73e123a863bd4f581268283ff805b9d94c928c66d56e.
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.