(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[10]KM[0.00]
PB[Noir]AW[af][bf][cf][cg][ch][dh][eh][fh][gh][hh][ih][ii][hj][jj]AB[bg][bh][ci][di][ei][fi][gi][hi]
;B[]
;W[bi]
;B[ai]
;W[bj]
;B[ah]
;W[gj]
;B[fj]
;W[cj]
;B[ij]
(;W[dj]
(;B[ej]
;W[ag]C[With one extra liberty, Black could connect (H1) and live]
(;B[aj]
;W[cj]C[This move kills ]
(;B[bi]
;W[hj])
(;B[hj]
;W[bi]))
(;B[ji]
(;W[hj]
;B[aj]
;W[cj]C[Same vital point])
(;W[aj]C[White must avoid the temptation]
;B[bh]
;W[ah]
;B[ai]
;W[bj]
;B[bi]
;W[cj]
;B[hj])))
(;B[hj]
;W[ag]C[Black cannot play E1]))
(;W[ag]
;B[dj]
;W[aj]C[Black is already alive]
(;B[bh])
(;B[hj])))