Challenge archive

Detection Challenges

Solve cases in this technique family.

CASE 019 Advanced

Controlled Differential

Separate a tempting representation anomaly from a reproducible channel using matched controls, repeat samples, and a predicted transformation.

Controlled Differential Analysis 475 pts
CASE 020 Advanced

Independent Replication

Do not promote a convincing first result to replicated evidence until the exact same method survives a separately authored held-out packet.

Independent Replication Analysis 525 pts