Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.043 wins per game over 64 seeds (95% interval -0.061 to +0.147).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 5e3c4985-251d-441f-bea8-512dfe3224b4
Status: completed. Experiment: 8dfbb264-338f-48e1-8fda-9b00d7bc865c. 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} | 110 | 256 | 43.0% | 37.1%–49.1% | 7.96 | 165.6 ms |
1 / v2:{"depth":2,"opening":"search"} | 99 | 256 | 38.7% | 32.9%–44.8% | 7.51 | 213.9 ms |
2 / eta | 30 | 256 | 11.7% | 8.3%–16.2% | 6.82 | 0.2 ms |
3 / fast | 17 | 256 | 6.6% | 4.2%–10.4% | 6.63 | 0.2 ms |
Paired contrast slot 0 minus slot 1: +0.043 wins per game over 64 seeds (95% interval -0.061 to +0.147).
Manifest SHA-256: a6e57702df67709e3b444790c98d430c8a77f518f9dac835fab301dc166ab4a2. Inventory SHA-256: 9bcd8b545bb0721ca4d54d5f8b08dc7006df7aa9a9d92430d2b359024260b935.
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.