(;GM[1]FF[4]SZ[19]
GN[White to play]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem175/Solution]AP[GoWiki:2009]
DT[2023-02-03]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem175/Solution

White to play]
PL[W]

AB[rc][pd][qd][nf][pg][mh][nh][oh][mi][mj][oj][pj][qj][nk]
AW[qb][rb][nc][pc][od][oe][ph][ni][oi][pi][nj][ok][rk][ol][ql]

;W[ri]C[W1]MN[1]
;B[qi]C[B2]MN[2]
;W[qh]C[W3]MN[3]
;B[rh]C[B4]MN[4]
;W[qg]C[W5]MN[5]
;B[rg]C[B6]MN[6]
;W[qf]C[W7]MN[7]
;B[pf]C[B8]MN[8]
;W[rf]C[W9]MN[9]
;B[rj]C[B10]MN[10]

;
)
