Engine arena run: completed

Paired contrast slot 0 minus slot 1: +0.133 wins per game over 64 seeds (95% interval +0.030 to +0.235).

Planned: 256
Attempted: 256
Completed: 256
Incomplete: 0
Unplayed: 0

Full retained record and provenance

Run 8129fb6c-36c6-495d-aee5-3771ffc81add

Status: completed. Experiment: bdf5010a-8fc2-4c10-8458-9cdc9b40badf. 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,"leaf":{"tables":"/home/keshav/settlers/res...`	127	256	49.6%	43.5%–55.7%	7.88	633.5 ms
1 / `v2:{"depth":2,"leaf":{"tables":"/home/keshav/settlers/res...`	93	256	36.3%	30.7%–42.4%	7.19	640.5 ms
2 / `eta`	17	256	6.6%	4.2%–10.4%	6.20	0.5 ms
3 / `fast`	19	256	7.4%	4.8%–11.3%	6.31	0.5 ms

Paired contrast slot 0 minus slot 1: +0.133 wins per game over 64 seeds (95% interval +0.030 to +0.235).

Manifest SHA-256: 2f64c77142334653b996c300b66c3a309754b9e43a20665337bd4c91d0eb85fe. Inventory SHA-256: e2c11134b570bf45ce949bd9e6a60b64bbdf109afbc8f4b356e3d3cd38e667f4.

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.