(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem113/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem113/Solution

Black to play]
PL[B]

AB[pb][qc][od][pd][ne][qe][of][qg]
AW[ob][mc][oc][pc][nd][qd][rd][me]

;B[rc]C[B1]MN[1]
;W[re]C[W2]MN[2]
;B[rf]C[B3]MN[3]
;W[pe]C[W4]MN[4]
;B[oe]C[B5]MN[5]
;W[qf]C[W6]MN[6]

;
)
