Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.223 wins per game over 64 seeds (95% interval +0.142 to +0.303).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run 8a6c5cac-24f6-450f-85b4-7147ba36cbc8
Status: completed. Experiment: 4a4806b6-2637-4b07-8f23-f3f8cc166f66. 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,"predict":{"opponents":true}} | 130 | 256 | 50.8% | 44.7%–56.8% | 8.29 | 304.3 ms |
1 / v2:{"depth":2} | 73 | 256 | 28.5% | 23.3%–34.3% | 7.36 | 289.7 ms |
2 / eta | 32 | 256 | 12.5% | 9.0%–17.1% | 6.80 | 0.3 ms |
3 / fast | 21 | 256 | 8.2% | 5.4%–12.2% | 6.54 | 0.3 ms |
Paired contrast slot 0 minus slot 1: +0.223 wins per game over 64 seeds (95% interval +0.142 to +0.303).
Manifest SHA-256: 58b9dae20c5be3dea04da322389d3c804c781793f1c1faf46d771d7bc6b2eb43. Inventory SHA-256: ade4ae9db670566fab0e73419af4f8de7f82e2b8d62467978cc9cf48dc7befd1.
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.