(;GM[1]FF[4]SZ[19]
GN[Approach ko (B7 at WC)]
PC[https://senseis.xmp.net/?GokyoShumyoSection6Problem46/Solution]AP[GoWiki:2009]
DT[2023-01-25]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection6Problem46/Solution

Approach ko (B7 at WC)]
PL[B]

AB[cb][db][eb][ib][cc][ec][ic][fd][id][he][ie]
AW[ab][hb][dc][gc][bd][cd][ed][hd][ee][fe][ge]
CR[hd]

;B[gb]C[B1]MN[1]
;W[ga]C[W2]MN[2]
;B[hc]C[B3]MN[3]
;W[fb]C[W4]MN[4]
;B[gd]C[B5]MN[5]
;W[fc]C[W6]MN[6]
;W[ea]C[W8]MN[8]
;B[ia]C[B9]MN[9]

;CR[hd]
)
