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

White's threat]
PL[W]

AB[ea][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[fa][ga][pa][qa][db][gb][hb][ob][pb][cc][hc][ic][mc][nc][oc][dd][jd][ld][md][he][ie][je][ke]
CR[ea][db]

;W[eb]C[W1]MN[1]
;B[cb]C[B2]MN[2]
;W[da]C[W3]MN[3]
;B[ca]C[B4]MN[4]

;CR[ea][db]
)
