(;GM[1]FF[4]SZ[19]
GN[A [long threat\]]
PC[http://senseis.xmp.net/?KoThreatInSekiExample]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KoThreatInSekiExample

A [long threat\]]
PL[B]

AB[ca][ea][cb][eb][ac][bc][cc][dc]
AW[ba][fa][ab][fb][ec][gc][ad][bd][cd][dd][ed]

;B[bb]C[B1]MN[1]
;W[db]C[W2]MN[2]
;B[aa]C[B3]MN[3]
;W[da]C[W4]MN[4]

;
)
