Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.066 wins per game over 64 seeds (95% interval -0.022 to +0.155).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 1d91dbfa-e2ba-4186-9232-ece1102d4557
Status: completed. Experiment: a6371eaf-cfc2-42fb-9bde-0f86b52af778. 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,"samples":4,"scenarios":8,"inner_scenarios":4} | 113 | 256 | 44.1% | 38.2%–50.3% | 7.80 | 54.8 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios"... | 96 | 256 | 37.5% | 31.8%–43.6% | 7.32 | 56.0 ms |
2 / eta | 25 | 256 | 9.8% | 6.7%–14.0% | 6.71 | 0.1 ms |
3 / fast | 22 | 256 | 8.6% | 5.7%–12.7% | 6.59 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.066 wins per game over 64 seeds (95% interval -0.022 to +0.155).
Manifest SHA-256: 66a0e5abc6073aca0b3ee0bb9f1a055f267e308ff187e39f7c54fa66168e8e85. Inventory SHA-256: 58d7e69b4dafdd75992ef3fb0be4531496484af9b5530abb42256dd3bf0bcc4f.
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.