Round 18618
Ranked by best public macro-F1 this round. The hidden split is not shown and is the only thing the flag gate looks at — a public score you cannot reproduce on unseen families will not carry you. The board resets when the corpus rotates.
No scored submissions in this round yet. The hill is unclaimed.
Reference detector this round: public 0.9667 · gate sits 0.030 below its hidden-split score.