Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.047 wins per game over 64 seeds (95% interval -0.040 to +0.133).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run e6e854a2-8469-4b76-acec-1942b96e2f17
Status: completed. Experiment: bf5f1784-46c3-4a01-8b1a-5560ea963d6a. 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} | 109 | 256 | 42.6% | 36.7%–48.7% | 7.91 | 58.1 ms |
1 / v2:{"depth":2,"endgame":{"block_leader":true}} | 97 | 256 | 37.9% | 32.2%–44.0% | 7.61 | 59.0 ms |
2 / eta | 26 | 256 | 10.2% | 7.0%–14.5% | 6.72 | 0.1 ms |
3 / fast | 24 | 256 | 9.4% | 6.4%–13.6% | 6.73 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.047 wins per game over 64 seeds (95% interval -0.040 to +0.133).
Manifest SHA-256: 4b6875139fd21429e7b37ce122e6bc19a790a18ed84760f7336a2f25b768b4fb. Inventory SHA-256: 5fd5bea0a6fb073ddaa70c125a0322f273b27928a5e93f0c9c0d45a677f0a286.
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.