(;SZ[19]AW[sb]AW[rc]AW[qd]AW[rd]AW[re]AW[qf]AW[rg]AW[rh]AW[ri]AB[qb]AB[rb]AB[qc]AB[od]AB[pd]AB[oe]AB[qe]AB[pf]AB[qg]AB[qh]AB[qi]AB[qj]AB[rj]AB[sj]LB[qg:1]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]PL[W]
(;W[sf];B[sc]
(;W[sd];B[si]
(;W[sh]C[
ko (normally black wouldn't play the internal ko threats immediately though)RIGHT])
(;W[pe]C[RIGHT]))
(;W[rf];B[sd])
(;W[si];B[sd])
(;W[sh];B[sd])
(;W[pe];B[si]
(;W[sh]C[
koRIGHT])
(;W[sd]C[
koRIGHT])
(;W[qe];B[sh];W[sg];B[sd])))
(;W[pe];B[sf]C[white dies without even a ko])
(;W[rf];B[si])
(;W[sc];B[rf])
(;W[si];B[rf])
(;W[sg];B[rf])
(;W[se];B[rf])
(;W[sh];B[rf])
(;W[sd];B[rf])
(;W[pg];B[rf]))