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

Descent]
PL[B]

AB[pb][qc][rc][od][pd][ne][oe][of][rf][qg]
AW[ob][mc][oc][pc][nd][qd][rd][me][pe][re][qf]
CR[qd][rd][pe][re][qf]

;B[sf]C[B1]MN[1]
;W[rb]C[W2]MN[2]
;B[sd]C[B3]MN[3]
;W[qb]C[W4]MN[4]
;B[sc]C[B5]MN[5]
;W[sb]C[W6]MN[6]
;B[se]C[B7]MN[7]

;CR[qd][rd][pe][re][qf]
)
