(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem94/Solution]AP[GoWiki:2009]
DT[2023-02-01]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem94/Solution

Black to play]
PL[B]

AB[mc][oc][rc][od][oe][pe][of][pg][rg][ri]
AW[qb][qc][pd][qe][pf][qf]

;B[rd]C[B1]MN[1]
;W[qd]C[W2]MN[2]
;B[re]C[B3]MN[3]
;W[rf]C[W4]MN[4]
;B[sf]C[B5]MN[5]
;W[qg]C[W6]MN[6]
;B[qh]C[B7]MN[7]
;W[ph]C[W8]MN[8]
;B[og]C[B9]MN[9]
;W[se]C[W10]MN[10]

;
)
