(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[9]KM[0.00]
PB[Noir]AW[ie][af][bf][cf][if][cg][dg][ig][dh][ih][ei][gi][hi][ii]AB[hb][bd][hd][ce][de][ge][ef][gf][eg][bh][ch][eh][fh][gh][hh][ai][ci]
(;B[di]
;W[fi]
(;B[ah]
;W[bg]
(;B[bi]C[strange move]
;W[ag]C[but this shape is not alive]
;B[di]
(;W[bi]
;B[ah]
;W[bh]
;B[ci]
;W[ch]
;B[di])
(;W[ci]
;B[bh]))
(;B[be]
;W[ag]
;B[df]
;W[bi]
;B[ah]
;W[bh]C[White lives]))
(;B[ag]
;W[bg])
(;B[bg]
;W[ag]
(;B[bi]
;W[ah]
(;B[bh]
;W[bi]
;B[ci]
;W[ch]
;B[ai]C[ only a ko])
(;B[bi]
;W[bh])
(;B[ci]
;W[bh]C[White lives]
(;B[di]
;W[bi])
(;B[bi]
;W[di])))
(;B[be]
;W[ah])))
(;B[fi]
;W[di]
(;B[be]
(;W[ah]
;B[ag]
;W[bg]
;B[ae]C[ko simple])
(;W[ag]C[white is dead]
;B[ae]
(;W[ah]
;B[bi]C[bulky five])
(;W[hg]
;B[ah]C[eye against no eye])))
(;B[ag]
;W[bg]C[ indirect ko])))
