Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.152 wins per game over 64 seeds (95% interval +0.054 to +0.251).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 7588d518-7364-4dc0-af7c-33b393087c35
Status: completed. Experiment: 0a200610-4ba0-470f-a207-75cbd8714901. 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} | 123 | 256 | 48.0% | 42.0%–54.2% | 7.96 | 271.4 ms |
1 / v2:{"depth":2,"predict":{"opponents":true}} | 84 | 256 | 32.8% | 27.4%–38.8% | 7.29 | 269.5 ms |
2 / eta | 32 | 256 | 12.5% | 9.0%–17.1% | 6.79 | 0.3 ms |
3 / fast | 17 | 256 | 6.6% | 4.2%–10.4% | 6.64 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.152 wins per game over 64 seeds (95% interval +0.054 to +0.251).
Manifest SHA-256: 6f7efe881282c0513c68217d68a204b7b556ee43756d8452ef5ece016cf15c0a. Inventory SHA-256: 719c7002bbb6aea4fff51d8d74e2628c722ad33fc33a3d9e5418ad2d48a930e9.
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.