(;GM[1]FF[4]SZ[19]
GN[Inferior attack]
PC[https://senseis.xmp.net/?GokyoShumyoSection4Problem10/Solution]AP[GoWiki:2009]
DT[2022-12-29]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection4Problem10/Solution

Inferior attack]
PL[B]

AB[gb][cc][ec][fc][gc][hc][cd][dd]
AW[db][eb][fb][dc][bd][ed][fd][ce][de][cg]

;B[bb]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[cb]C[B3]MN[3]
;W[ab]C[W4]MN[4]
;B[ba]C[B5]MN[5]
;W[ea]C[W6]MN[6]
;B[ca]C[B7]MN[7]
;W[ga]C[W8]MN[8]
;B[ha]C[B9]MN[9]

;
)
