Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.125 wins per game over 64 seeds (95% interval +0.021 to +0.229).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run ccf05c4f-15a1-4774-a273-40b7d5491873
Status: completed. Experiment: 15173b9c-502e-4e5a-8037-8220bca77707. 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,"robber":{"leader":true}} | 124 | 256 | 48.4% | 42.4%–54.5% | 8.19 | 253.5 ms |
1 / v2:{"depth":2} | 92 | 256 | 35.9% | 30.3%–42.0% | 7.56 | 248.1 ms |
2 / eta | 25 | 256 | 9.8% | 6.7%–14.0% | 6.77 | 0.3 ms |
3 / fast | 15 | 256 | 5.9% | 3.6%–9.4% | 6.52 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.125 wins per game over 64 seeds (95% interval +0.021 to +0.229).
Manifest SHA-256: b0b2d83b1663e4bcf36d6f6129b67250f1ad21c6ee7d2a2bf53103dc2646d5c1. Inventory SHA-256: f53eecdf2d8e0eeb8efc520128d6461bd6adfb6a2b0db7ca021455cd15d72be7.
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.