Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.121 wins per game over 64 seeds (95% interval -0.210 to -0.032).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run a4db5f20-cece-4644-a9cf-a33311f8fd8d
Status: completed. Experiment: 7f5703e0-9fed-46cf-931d-5b91bdf42e77. 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,"bargain":false} | 83 | 256 | 32.4% | 27.0%–38.4% | 7.41 | 174.3 ms |
1 / v2:{"depth":2} | 114 | 256 | 44.5% | 38.6%–50.7% | 7.98 | 277.4 ms |
2 / eta | 33 | 256 | 12.9% | 9.3%–17.6% | 6.97 | 0.3 ms |
3 / fast | 26 | 256 | 10.2% | 7.0%–14.5% | 6.75 | 0.3 ms |
Paired contrast slot 0 minus slot 1: -0.121 wins per game over 64 seeds (95% interval -0.210 to -0.032).
Manifest SHA-256: 761ea060c672dac90193d237ea58ff4165b588c76bef2d5231f3f19e3b35db9c. Inventory SHA-256: ff664479edbcd3dbd129efd6a2d41e1aae588434b12eb88a426e2de7a2971955.
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.