(;GM[1]FF[4]SZ[19]
GN[Black's threat]
PC[http://senseis.xmp.net/?LocallySpeaking]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LocallySpeaking

Black's threat]
PL[B]

AB[fa][ra][fb][nb][qb][sb][bc][dc][ec][fc][gc][pc][qc][ad][cd][gd][hd][id][nd][od][be][ce][ee][ge][pe]
AW[pa][qa][db][gb][hb][ob][pb][cc][hc][ic][mc][nc][oc][dd][jd][ld][md][he][ie][je][ke]
CR[fa]

;B[ha]C[B1]MN[1]
;W[jb]C[W2]MN[2]
;B[ga]C[B3]MN[3]
;W[ia]C[W4]MN[4]

;CR[fa]
)
