FA-83152 / Go territory scoring / Member archive

Seki contact is forgotten while flooding a region · case 02

Regions touching seki stones are still counted if the last processed point does not touch them.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Input [board, seki_points]. Empty regions bordered by exactly one colour are territory, unless the region touches a stone listed as seki or contains a listed empty point. Return [terr_b, terr_w].

Why this case matters

Go servers and scoring tools compute this value automatically; a wrong answer changes a game result.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
seki territory case 3	`[4, 0]`	`[0, 0]`	Failed

MEMBER ARCHIVE

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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