(;GM[1]FF[4]SZ[19]
GN[Ko threats]
PC[http://senseis.xmp.net/?OneThousandAndOneLifeAndDeathProblems/Problem75Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OneThousandAndOneLifeAndDeathProblems/Problem75Discussion

Ko threats]
PL[W]

AB[aq][bq][cq][cr][dr][er][es]
AW[ap][bp][cp][dp][fq][br][fr][bs][cs][ds][fs]
CR[bs][cs]

;W[dq]C[W1]MN[1]
;B[ar]C[B2]MN[2]
;W[eq]C[W3]MN[3]
;B[as]C[B4]MN[4]

;CR[bs][cs]
)
