Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.066 wins per game over 64 seeds (95% interval -0.044 to +0.177).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run a32e7819-1d3d-4dc0-9065-13eabc9f2a86
Status: completed. Experiment: 0ce4a417-5521-4d5c-9478-fa2d0374176d. 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":3,"time_budget_ms":1500,"deepen_gap":20,"samp... | 120 | 256 | 46.9% | 40.9%–53.0% | 7.89 | 261.8 ms |
1 / v2:{"depth":3,"time_budget_ms":1500,"samples":4,"scenario... | 103 | 256 | 40.2% | 34.4%–46.3% | 7.38 | 447.9 ms |
2 / eta | 21 | 256 | 8.2% | 5.4%–12.2% | 6.04 | 0.0 ms |
3 / fast | 12 | 256 | 4.7% | 2.7%–8.0% | 5.80 | 0.0 ms |
Paired contrast slot 0 minus slot 1: +0.066 wins per game over 64 seeds (95% interval -0.044 to +0.177).
Manifest SHA-256: 6a11e0ba7f4beaddde3b187185281ef722389a2e46cc9699be390a13c280c72b. Inventory SHA-256: ce7b1e0c60809780bfc42a11abeb61ef0f8c93c72de96505caa85ed5856af4c5.
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.