Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.074 wins per game over 64 seeds (95% interval -0.024 to +0.173).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 2bae826e-cea8-4de8-b39f-a72efcdebf55
Status: completed. Experiment: a78e5220-68c6-4726-a1cc-3a6849ac19f6. 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":0.0}} | 112 | 256 | 43.8% | 37.8%–49.9% | 7.96 | 247.6 ms |
1 / v2:{"depth":2} | 93 | 256 | 36.3% | 30.7%–42.4% | 7.54 | 242.3 ms |
2 / eta | 29 | 256 | 11.3% | 8.0%–15.8% | 6.86 | 0.3 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.49 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.074 wins per game over 64 seeds (95% interval -0.024 to +0.173).
Manifest SHA-256: 347b1a8c6818c37b6654fc87ec107a24d35ce9d01ee1d0aad38bc9c9bd0f1343. Inventory SHA-256: 2d7d3ea66b3027a3c7719d170038d4ef95a236753d4db861e522e7a4f318b748.
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.