(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem171]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem171

Black to play]
PL[B]

AB[ob][qb][pc][rc][od][rd][oe][pf][pg][qg][mh][qh][qi]
AW[kc][nc][oc][pd][pe][qe][re][of][rf][kg][mg][rg][nh]


;
)
