Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.109 wins per game over 64 seeds (95% interval +0.026 to +0.192).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 3e8ec893-c404-4a08-a15d-0c9bd7a3b656
Status: completed. Experiment: 232a0fe5-bf9f-4654-972f-fd5614f0c627. 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}} | 114 | 256 | 44.5% | 38.6%–50.7% | 8.07 | 77.7 ms |
1 / v2:{"depth":2} | 86 | 256 | 33.6% | 28.1%–39.6% | 7.45 | 75.5 ms |
2 / eta | 34 | 256 | 13.3% | 9.7%–18.0% | 6.90 | 0.1 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.72 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.109 wins per game over 64 seeds (95% interval +0.026 to +0.192).
Manifest SHA-256: ed3c78d98e7eeae3d54c934c82fa9692e232758fb52aeb751e275cd02bbfbb76. Inventory SHA-256: 86dae98dddb516a9608f548b5041729b3c90dfa18f02a589aafe09983c4cfce2.
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.