Problem	1169
Created	2001-11-11
Source	Amateur Game (variation)
Rating

Difficulty	7 dan
Average Solve Time	42 secs
User Attempts	1335 / 5491
Solve Ratio Rating	3 kyu
	rating history

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]) (;))))