(;GM[1]FF[4]SZ[19]
GN[White can force a ko]
PC[http://senseis.xmp.net/?OneThousandAndOneLifeAndDeathProblems/Errata]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OneThousandAndOneLifeAndDeathProblems/Errata

White can force a ko]
PL[B]

AB[cp][cq][dq][dr][er][fr][fs]
AW[bo][co][do][bp][dp][eq][fq][gq][ar][cr][gr][gs]

;B[br]C[B1]MN[1]
;W[bs]C[W2]MN[2]
;B[bq]C[B3]MN[3]
;W[ds]C[W4]MN[4]
;B[aq]C[B5]MN[5]
;W[cs]C[W6]MN[6]
;B[as]C[B7]MN[7]

;
)
