(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[9]KM[0.00]
PB[Noir]AW[ge][he][gf][gg][hg][gh][fi]AB[hb][fd][gd][hd][fe][ie][ff][hf][fg][ig][dh][fh]
(;B[if]
;W[ih]
;B[hi]C[This sacrifice is possible]
;W[id]
;B[if]
(;W[ie]
;B[gi]C[one of the eyes is false])
(;W[gi]
;B[ie]))
(;B[ih]
;W[if]
;B[id]
;W[hh]
;B[hf]C[it would be a pity to play this ko]))