(;SZ[19]AB[rb]AB[qc]AB[qd]AB[oc]AB[pe]AB[pf]AB[pg]AB[ph]AB[pi]AB[pj]AB[ol]AB[qh]AB[ok]AB[rj]AB[pm]AB[qn]AB[sf]AB[ob]AW[rc]AW[rd]AW[qe]AW[qf]AW[qg]AW[rh]AW[ri]AW[qi]LB[sf:a]C[Black attacks at 'a', how to live unconditionally?]FF[4]GM[1]AP[Jago:Version 4.18]GN[temp]
(;W[sg];B[re]
(;W[rg];B[si]
(;W[se];B[sd])
(;W[rf];B[se]
(;W[sd];B[se])
(;W[sc];B[sb];W[sd];B[se]))
(;W[sd];B[se]))
(;W[si];B[rg])
(;W[sc];B[rg])
(;W[sd];B[rg])
(;W[rf];B[rg]))
(;W[si];B[re]
(;W[sg];B[rg])
(;W[rg];B[sd])
(;W[sc];B[rg]))
(;W[sc];B[re]
(;W[rg];B[sb])
(;W[sg];B[rg]))
(;W[se];B[rg]
(;W[re];B[sc]
(;W[si];B[sg])
(;W[sh];B[qj])
(;W[sg];B[sh];W[si];B[sg]))
(;W[sc];B[re])
(;W[si];B[re])
(;W[sg];B[sh]
(;W[sc];B[re])
(;W[re];B[sc];W[si];B[sg])
(;W[si];B[re])))
(;W[re];B[si]
(;W[sh];B[sc]
(;W[rf];B[sg])
(;W[sg];B[rf]))
(;W[sg];B[rf];W[sc];B[se]
(;W[sh];B[qj])
(;W[qj];B[rk];W[qk];B[ql]C[no seki since black will need to connect at S13 at some point.]))
(;W[rg];B[sc]C[only one eye])
(;W[sc];B[se];W[sh];B[qj]
(;W[rg];B[sg])
(;W[rf];B[sg]))
(;W[rf];B[sh]
(;W[se];B[sc];W[sg];B[sj])
(;W[sg];B[sj]
(;W[se];B[sc])
(;W[sc];B[se])))
(;W[se];B[sc]))
(;W[rf];B[sg]
(;W[si];B[se]
(;W[sc];B[sb]
(;W[re];B[rg])
(;W[rg];B[re]))
(;W[re];B[sc]
(;W[rg];B[qb])
(;W[sb];B[rg]))
(;W[rg];B[sc]
(;W[sb];B[re])
(;W[re];B[qb])))
(;W[sc];B[se]
(;W[si];B[sb]
(;W[re];B[rg])
(;W[rg];B[re]))
(;W[re];B[si]
(;W[qj];B[rk])
(;W[sh];B[qj])
(;))
(;W[rg];B[si]
(;W[sh];B[qj])
(;W[qj];B[rk])))
(;W[se]
(;B[sc]
(;W[sh];B[sb];W[rg];B[sd])
(;W[si];B[sb];W[rg];B[sd])
(;W[sb];B[sa]
(;W[sh];B[sb]
(;W[rg];B[sd])
(;W[qb];B[pb]
(;W[rg];B[qa];W[sd]C[nice RIGHT])
(;W[qa];B[pa];W[rg];B[ra];W[sd]C[RIGHT])))
(;W[rg];B[sb]
(;W[sh];B[sd])
(;W[qb];B[pb]
(;W[sh];B[qa];W[sd]C[good work RIGHT])
(;W[qa];B[pa];W[sh];B[ra];W[sd]C[RIGHT])))
(;W[qb];B[pb]
(;W[sh];B[qa];W[rg];B[sb];W[sd]C[good work RIGHT])
(;W[qa];B[pa]
(;W[sh];B[ra];W[rg];B[sb];W[sd]C[nice RIGHT])
(;W[rg];B[ra];W[sh];B[sb];W[sd]C[nice RIGHT]))
(;W[rg];B[qa];W[sh];B[sb];W[sd]C[Good work RIGHT])))
(;W[qb];B[sb]
(;W[sh];B[sd];W[rg];B[re];W[rd];B[pc])
(;W[rg];B[sd];W[sh];B[re];W[rd];B[pc])
(;W[ra];B[pb]
(;W[sh];B[qa];W[rg];B[sd])
(;W[rg];B[qa];W[sh];B[sd])))
(;W[rg];B[sb];W[sh];B[sd])
(;))
(;))
(;W[sd];B[se]
(;W[sh];B[qj]C[White will have to play S13 and S15 so there is no seki])
(;W[si];B[qj]C[White will have to play S13 ad S15 so there is no seki.]))
(;W[sh];B[se]
(;W[sc];B[qj]C[White will have to play S13 and S15 so there is no seki.])
(;W[sd];B[qj]C[White will have to play S13 and S15 so there is no seki.]))
(;W[sb];B[se]
(;W[qb];B[ra]
(;W[qa];B[sd]
(;W[re];B[si]
(;W[sh];B[qj];W[sj];B[sk]
(;W[rg]C[RIGHT])
(;W[sc]C[RIGHT]))
(;W[rg];B[sh];W[sc];B[sj])
(;W[sc];B[sh];W[rg];B[sj])
(;W[qj];B[rg];W[sa];B[qk]))
(;W[sc];B[re])
(;W[rg];B[si]
(;W[sc];B[sh];W[re];B[sj])
(;W[re];B[sh];W[sc];B[sj])
(;W[sh];B[qj];W[sj];B[sk]
(;W[re]C[RIGHT])
(;W[sc]C[RIGHT]))
(;W[qj];B[re];W[sa];B[qk]))
(;W[sh];B[re])
(;W[sa];B[si]
(;W[sh];B[rg])
(;W[rg];B[sh]
(;W[qj];B[rk])
(;W[re];B[sj])
(;W[sc];B[sj]))
(;W[re];B[sh]
(;W[qj];B[rk])
(;W[rg];B[sj])
(;W[sc];B[sj]))
(;W[sc];B[sh]
(;W[qj];B[rk])
(;W[rg];B[sj])
(;W[re];B[sj]))
(;W[qj];B[rk]
(;W[sh];B[rg])
(;W[rg];B[sh])
(;W[re];B[sh])
(;W[sc];B[sh]))))
(;W[sd];B[pb]C[dead eventually])
(;W[re];B[pb];W[si];B[qj];W[sc];B[rg]C[White can't push])
(;W[sh];B[pb]C[Dead eventually])
(;W[rg];B[pb]
(;W[sc];B[si];W[sh];B[sj])
(;W[si];B[sc])))
(;W[sd];B[qb])
(;W[si];B[qb])
(;W[sc];B[qb]))
(;W[qb];B[sb]
(;W[sc];B[se]
(;W[ra];B[re])
(;W[re];B[rg]))
(;W[se];B[sc]
(;W[ra];B[pb]
(;W[sh];B[qa];W[rg];B[sd])
(;W[rg];B[qa];W[sh];B[sd]))
(;W[sh];B[sd];W[rg];B[re];W[rd];B[pc]))
(;W[sd];B[se])
(;W[ra];B[sd];W[re];B[sc]
(;W[rg];B[pb]
(;W[se];B[qa])
(;W[sh];B[qa]))
(;W[sh];B[pb];W[rg];B[qa]))
(;W[si];B[se]
(;W[sc];B[re])
(;W[ra];B[re];W[rg];B[sc])))
(;)
(;W[rg];B[se]LB[sc:a]LB[si:b]C['a' and 'b' are miai for black to avoid seki since white must play S15 at some time.]))
(;W[qb];B[re]
(;W[sb];B[ra]
(;W[qa];B[sd]
(;W[sa];B[rg])
(;W[rg];B[sc]))
(;W[sd];B[pb]
(;W[rg];B[se])
(;W[sg];B[si];W[rg];B[se];W[rf];B[se]))
(;W[rg];B[sd])
(;W[sg];B[rg]))
(;W[ra];B[sb]
(;W[sd];B[rg])
(;W[rg];B[sd])
(;W[sg];B[rg])
(;W[qa];B[sd])))
(;W[sb]
(;B[re]
(;W[qb];B[ra]
(;W[sd];B[se])
(;W[qa];B[sd];W[sa];B[rg])
(;W[rg];B[sd]))
(;W[sd];B[se])
(;W[rg];B[sd])
(;W[sc];B[rg];W[qb];B[ra]))
(;))
(;W[rg];B[re]
(;W[rf];B[se]
(;W[sc];B[sb])
(;W[si];B[sc])
(;W[sg];B[si]
(;W[sd];B[se])
(;W[sc];B[sb];W[sd];B[se])))
(;W[sc];B[se]
(;W[si];B[sb])
(;W[sg];B[si]))
(;W[si];B[sd])
(;W[sg];B[sd])
(;W[sb];B[sd])))