Engine arena run: completed
Paired contrast slot 0 minus slot 1: -0.031 wins per game over 64 seeds (95% interval -0.125 to +0.063).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 7c17e2c7-a140-4fe5-b055-68bdea33ea60
Status: completed. Experiment: cba5c2a6-9a7c-414c-81f8-b9dc8ef8f4a7. 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"... | 90 | 256 | 35.2% | 29.6%–41.2% | 7.67 | 93.7 ms |
1 / v2:{"depth":2,"samples":4,"scenarios":8,"inner_scenarios":4} | 98 | 256 | 38.3% | 32.5%–44.4% | 7.84 | 92.3 ms |
2 / eta | 39 | 256 | 15.2% | 11.3%–20.1% | 7.29 | 0.0 ms |
3 / fast | 29 | 256 | 11.3% | 8.0%–15.8% | 6.93 | 0.0 ms |
Paired contrast slot 0 minus slot 1: -0.031 wins per game over 64 seeds (95% interval -0.125 to +0.063).
Manifest SHA-256: 86bcf788cb23c4ce00f6318856bcbfaf5f275dc8e2bba4fbb99473d88f47d8d3. Inventory SHA-256: c42b905237041a1a087ff322221305479733e5b187b3d3856658004aca1b728f.
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.