Similar to problem 1166 but now white has followed up his initial attack at J16 instead of K17 and black hasn't played the stone at L15.
(;SZ[19]AW[ac]AW[bb]AW[bd]AW[cb]AW[cc]AW[cd]AW[dd]AW[cg]AW[ch]AW[df]AW[ee]AW[ef]AW[eg]AW[fd]AW[gd]AW[gc]AW[ff]AW[gf]AW[he]AW[hf]AW[if]AW[jf]AW[kf]AW[kg]AW[lf]AW[jh]AW[mf]AW[me]AW[ne]AW[nb]AW[mb]AW[lb]AW[jb]AW[od]AW[oc]AW[pc]AW[qc]AW[rd]AW[re]AW[ea]AW[id]AB[kh]AB[lg]AB[mg]AB[nf]AB[oe]AB[pd]AB[qe]AB[pf]AB[rf]AB[qg]AB[pa]AB[nc]AB[nd]AB[md]AB[lc]AB[ld]AB[le]AB[jd]AB[hd]AB[hc]AB[kb]AB[ka]AB[gb]AB[fb]AB[fc]AB[ec]AB[ed]AB[dc]AB[ad]AB[ae]AB[be]AB[ce]AB[de]AB[cf]AB[bg]AB[bh]LB[jb:a]LB[ka:b]LB[id:c]C[White choses to follow 'a' with 'c' at J16 this time. Black to live unconditionally with two eyes again. (cf problem 1166).]FF[4]GM[1]AP[Jago:Version 4.18]GN[temp2]
(;B[ib];W[jc]
(;B[je];W[ic]
(;B[hb];W[ke]
(;B[fa];W[ja])
(;B[kd];W[ie])
(;B[ja];W[kd])
(;B[ie];W[kd])
(;B[kc];W[kd]))
(;B[ha];W[ja]
(;B[ie];W[hb])
(;B[hb];W[ie]))
(;B[ja];W[hb]
(;B[kc];W[ia])
(;B[ha];W[kc]))
(;))
(;B[ic];W[kd]
(;B[ie];W[je];B[id];W[kc]LB[fa:a]LB[ha:b]C['a' and 'b' are miai, only one eye.])
(;B[je];W[ke]LB[fa:a]LB[ha:b]C['a' and 'b are miai, only one eye.])
(;B[kc];W[je]LB[fa:a]LB[ha:b]C['a' and 'b' are miai, only one eye.])
(;B[ke];W[je]LB[fa:a]LB[ha:b]C['a' and 'b' are miai so only one eye.])
(;B[ja];W[je]C['a' and 'b' are miai so just one eye.])
(;B[fa];W[ha]
(;B[ie];W[je];B[id];W[kc])
(;B[je];W[ke])
(;B[ke];W[je])
(;B[kc];W[je]))
(;B[ha];W[fa]
(;B[je];W[ke])
(;B[ie];W[je];B[id];W[kc])
(;B[ke];W[je])
(;B[kc];W[je])))
(;B[kd];W[ic]
(;B[hb];W[ja])
(;B[ja];W[hb])
(;B[ha];W[ja]))
(;B[kc];W[ic]
(;B[hb];W[ja])
(;B[je];W[ja]
(;B[ie];W[hb])
(;B[hb];W[ie]))
(;B[ha];W[ja]))
(;B[ja];W[ic]
(;B[kc];W[hb])
(;B[hb];W[je])
(;B[ha];W[je])
(;B[je];W[hb]
(;B[kc];W[ia])
(;B[ha];W[kc])))
(;B[hb];W[ic]
(;B[ja];W[kc])
(;B[kc];W[ja])
(;B[je];W[ke]
(;B[ie];W[kd])
(;B[ja];W[kd])))
(;B[ha];W[ic]
(;B[ja];W[kc])
(;B[kc];W[ja])
(;B[je];W[ke]
(;B[ie];W[kd])
(;B[ja];W[kd]))))
(;B[ic];W[jc]
(;B[kc];W[hb];B[ie];W[ib];B[id];W[kd];B[ke];W[je];B[kd];W[mc]
(;B[ha];W[la])
(;B[ia];W[la])
(;B[ja];W[la]))
(;B[ib];W[kd]
(;B[fa];W[ha]
(;B[je];W[ke])
(;B[ie];W[je];B[id];W[kc])
(;B[ke];W[je])
(;B[kc];W[je]))
(;)
(;B[ha];W[fa]
(;B[je];W[ke])
(;B[ie];W[je];B[id];W[kc])
(;B[ke];W[je])
(;B[kc];W[je]))
(;B[je];W[ke]LB[fa:a]LB[ha:b]C['a' and 'b' are miai , just one eye])
(;B[ie];W[je];B[id];W[kc]LB[fa:a]LB[ha:b]C['a' and 'b' are miai so just one eye])
(;B[ke];W[je]LB[fa:a]LB[ha:b]C['a' and 'b' are miai so just one eye here.])
(;B[kc];W[je]LB[fa:a]LB[ha:b]C['a' and 'b' are miai so only one eye here.]))
(;B[kd];W[hb];B[ie];W[ib];B[id];W[kc])
(;B[ie];W[kc]
(;B[ja];W[ia])
(;B[ib]
(;W[ja]
(;B[ia];W[la]
(;B[fa];W[ha])
(;B[ha];W[fa]))
(;B[kd];W[la]
(;B[ha];W[ia])
(;B[fa];W[ia]))
(;B[ha];W[fa])
(;B[fa];W[ia]))
(;))
(;B[fa];W[ib])
(;B[ha];W[ib]
(;B[ia];W[ja])
(;B[ja];W[ia]))
(;B[ia];W[ib]
(;B[hb];W[la])
(;B[ja];W[ha])
(;B[ha];W[ja])))
(;B[ja];W[hb];B[ie];W[ib];B[id];W[kc])
(;B[ha];W[kd]
(;B[ie];W[je]
(;B[ib];W[fa]
(;B[id];W[kc])
(;))
(;)
(;B[fa];W[ib];B[id];W[kc]))
(;B[je];W[ke]LB[fa:a]LB[ib:b]C['a' and 'b' are miai so only one eye.])
(;B[ke];W[je]LB[fa:a]LB[ib:b]C['a' and 'b' are miai so there is only one eye])
(;B[kc];W[je]LB[fa:a]LB[ib:b]C['a' and 'b' are miai so there is only one eye here])))
(;B[hb];W[ic]
(;B[jc];W[ib])
(;B[ib];W[jc]
(;B[je];W[ke]
(;B[ie];W[kd])
(;B[ja];W[kd])
(;B[kc];W[ja]))
(;B[ja];W[je])
(;B[kc];W[ja]))
(;B[je];W[ie]
(;B[ib];W[jc]
(;B[ja];W[ke])
(;B[kc];W[ja])
(;B[ke];W[ja]))
(;B[jc];W[ib])
(;B[ja];W[ib]
(;B[ke];W[ia])
(;B[kc];W[ia])
(;B[ia];W[ke]))))
(;B[je];W[ic]
(;B[ie];W[hb])
(;B[ib];W[hb])
(;B[hb];W[ie]
(;B[jc];W[ib])
(;B[ib];W[jc]
(;B[ja];W[ke])
(;B[ke];W[ja])
(;B[kc];W[ja]))
(;B[ja];W[ib]
(;B[ke];W[ia])
(;B[kc];W[ia])
(;B[ia];W[ke])))
(;B[jc];W[hb]))
(;B[kd];W[ic]
(;B[ib];W[hb])
(;B[hb];W[ib]))
(;B[kc];W[ic]
(;B[hb];W[ib])
(;B[ib];W[hb]))
(;B[ja];W[ic]
(;B[hb];W[ib]
(;B[ia];W[ke])
(;B[je];W[ie]
(;B[ia];W[ke])
(;B[ke];W[ia])
(;B[kc];W[ia])))
(;B[ib];W[jc]
(;B[kc];W[hb])
(;B[hb];W[kc])
(;B[ha];W[kc]))
(;B[jc];W[ib]
(;B[hb];W[ia])
(;B[ia];W[hb]))
(;B[je];W[ie]
(;B[ib];W[jc]
(;B[ha];W[kc])
(;B[hb];W[kc])
(;B[kc];W[hb]))
(;B[jc];W[ib])
(;B[hb];W[ib]
(;B[ia];W[ke])
(;B[kc];W[ia])
(;B[ke];W[ia]))))
(;B[ha];W[ic]
(;B[ib];W[jc]
(;B[je];W[ke]
(;B[kc];W[ja])
(;B[ja];W[kc]))
(;B[kc];W[je])
(;B[ja];W[je]))
(;B[hb];W[ib])
(;B[jc];W[ib])
(;B[je];W[hb]))
(;B[ia];W[ic]
(;B[hb];W[ib])
(;B[ib];W[jc]
(;B[hb];W[ja])
(;B[ja];W[je])
(;B[je];W[ja])
(;B[kc];W[hb]))
(;B[jc];W[ib]
(;B[hb];W[ja])
(;B[ja];W[hb])))
(;B[jc];W[ic]
(;B[hb];W[ib])
(;B[je];W[hb])
(;B[ja];W[ib]
(;B[hb];W[ia])
(;B[ia];W[hb]))
(;B[ib];W[hb]
(;B[ja];W[ha]
(;B[ia]C[Black sacrifices the stones on the left but is alive. RIGHT])
(;B[ga];W[hc];B[ia]C[Black sacrifices the stones on the left but is alive. RIGHT]))
(;B[ha];W[ia])
(;B[ia];W[ha];B[ja]C[Black sacrifices the stones on the left but lives. RIGHT])
(;))))