(;GM[1]FF[4]SZ[19]
GN[Failure at 7]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem87/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem87/Solution

Failure at 7]
PL[B]

AB[lb][nb][ob][nc][pc][qc][rc][nd][rd][ne][oe][pf][og][ph][qh]
AW[kb][pb][qb][rb][oc][kd][ld][od][pd][qd][sd][re][mf][nf][pg][qg][nh][oh]
LB[of:a][qf:b]

;B[qe]C[B7]MN[7]
;W[sc]C[W8]MN[8]
;B[rg]C[B9]MN[9]
;W[pe]C[W10]MN[10]

;LB[of:a][qf:b]
)
