(;SZ[9]AW[gc]AW[ad]AW[bd]AW[cd]AW[dd]AW[hd]AW[id]AW[ee]AW[fe]AW[ge]AW[dg]AW[eg]AW[fg]AW[gg]AW[ig]AW[ah]AW[bh]AW[ch]AW[gh]AW[ih]AW[hi]AW[ii]AB[ae]AB[be]AB[he]AB[cf]AB[df]AB[ef]AB[ff]AB[gf]AB[hf]AB[ag]AB[bg]AB[cg]AB[hg]AB[hh]AB[bi]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]PB[Noir]
(;B[dh]C[A multipurpose cut (yosumiru)]
(;W[di]C[A multipurpose cut (yosumiru)];B[eh]
(;W[ei];B[gi]
(;W[fi];B[if]
(;W[gi];B[ci];W[fh];B[dh];W[ai];B[ci]C[RIGHT]C[Double snapback (moreover, white is dead)RIGHT]
(;W[bi];B[ci]C[RIGHT])
(;W[eh];B[dh]C[RIGHT]))
(;W[ci];B[gi];W[hi];B[ih]C[Both groups live ; Black needed to take 4 stones; 3 would still have left her group with only one eyeRIGHT]))
(;W[fh];B[dh]
(;W[ci];B[if];W[fi];B[hi]C[Black livesRIGHT])
(;W[eh];B[ci];W[fi];B[if];W[gi];B[dh]C[RIGHT])
(;W[fi];B[if];W[gi];B[ci];W[ai];B[ci]
(;W[bi];B[ci]C[RIGHT])
(;W[eh];B[dh]C[RIGHT]))))
(;W[fh]C[easier for black];B[if]C[white cannor connect];W[gi]C[white cannor connect];B[fi]C[RIGHT])
(;W[fi]C[this defens];B[ci];W[ai];B[ci]C[is counterd by a simple snapbackRIGHT]))
(;W[eh]C[this direction ...]
(;B[gi];W[fi];B[if];W[gi];B[di]C[White cannot approach and diesRIGHT])
(;B[di];W[ei];B[gi]C[Black lives.RIGHT])))
(;B[gi]C[Though this cut appears in all variations, it must not be played too early];W[fi]C[Though this cut appears in all variations, it must not be played too early];B[if];W[gi];B[dh];W[di];B[eh];W[ci]C[White is alive])
(;B[fi]C[this kikashi only gives an extra liberty to White];W[gi]C[this kikashi only gives an extra liberty to White];B[dh];W[eh];B[di];W[ei]))