Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.078 wins per game over 64 seeds (95% interval -0.028 to +0.184).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run af6fcb03-64fb-4aaf-9639-d1ccaad5f1a3
Status: completed. Experiment: 1a506239-e401-4340-a08c-8c948248fc30. 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,"weights":{"hand_risk":4.0}} | 116 | 256 | 45.3% | 39.3%–51.4% | 8.00 | 52.3 ms |
1 / v2:{"depth":2} | 96 | 256 | 37.5% | 31.8%–43.6% | 7.44 | 49.6 ms |
2 / eta | 26 | 256 | 10.2% | 7.0%–14.5% | 6.64 | 0.1 ms |
3 / fast | 18 | 256 | 7.0% | 4.5%–10.8% | 6.42 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.078 wins per game over 64 seeds (95% interval -0.028 to +0.184).
Manifest SHA-256: 0ee7d2d7585e3520b39efa050a49dd87be9d440fa766b8c1df58debd5e0a7cc5. Inventory SHA-256: 01ecb4bd31b5f7a34678bff2cee1b34ae23423556237f5e921a3d5d1899a5592.
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.