Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.035 wins per game over 64 seeds (95% interval -0.060 to +0.130).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 26f98193-ebf6-4edb-bf34-a722052b9053
Status: completed. Experiment: e4bba171-b024-48b5-a89e-cdd9f335a2d8. 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} | 107 | 256 | 41.8% | 35.9%–47.9% | 7.90 | 59.1 ms |
1 / v2:{"depth":2,"endgame":{"hidden_points":true}} | 98 | 256 | 38.3% | 32.5%–44.4% | 7.59 | 58.7 ms |
2 / eta | 24 | 256 | 9.4% | 6.4%–13.6% | 6.70 | 0.1 ms |
3 / fast | 27 | 256 | 10.5% | 7.4%–14.9% | 6.66 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.035 wins per game over 64 seeds (95% interval -0.060 to +0.130).
Manifest SHA-256: 4dcb7abdebb3793f01823fb3c43c3e8d9f1b3a25adb7e004434d7caa92c52aa6. Inventory SHA-256: 1b1102f0c716940fc16f0235276a77c944fc483e191ed35e8984a7d8f2bd2d07.
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.