Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.062 wins per game over 64 seeds (95% interval -0.036 to +0.161).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 08fdd9a7-6e0a-4e2a-a1cc-8124294feae2
Status: completed. Experiment: d1bdca03-d27f-475c-b1ee-a8caf70937fe. 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% | 7.97 | 103.2 ms |
1 / v2:{"depth":2,"opening":"search"} | 94 | 256 | 36.7% | 31.1%–42.8% | 7.50 | 128.2 ms |
2 / eta | 29 | 256 | 11.3% | 8.0%–15.8% | 6.81 | 0.1 ms |
3 / fast | 23 | 256 | 9.0% | 6.1%–13.1% | 6.72 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.062 wins per game over 64 seeds (95% interval -0.036 to +0.161).
Manifest SHA-256: de9886c8dc38972352f089f08e6d8a72658ca2e047d71ea464200c09fb8b3211. Inventory SHA-256: 2e672cc36ce9f496659ca61ed2c6c8e3a5c48a867042e97c17756e5f925ecc64.
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.