Problem	10148
Created	2007-06-28
Source	my game
Rating

Difficulty	8 dan
Average Solve Time	64 secs
User Attempts	97 / 1002
Solve Ratio Rating	3 dan
	rating history

(;AB[ae]AB[bd]AB[cd]AB[bf]AB[cf]AB[df]AB[de]AB[fe]AB[ge]AB[hd]AB[hf]AB[je]AB[ke]AB[le]AB[lf]AB[me]AB[md]AB[jc]AB[kc]AB[lc]AB[hb]AB[gc]AB[gb]AB[fa]AB[eb]AB[da]AB[bc]AW[ac]AW[bb]AW[cc]AW[db]AW[dc]AW[dd]AW[ed]AW[fd]AW[fc]AW[fb]AW[gd]AW[hc]AW[ff]AW[fg]AW[eg]AW[hg]AW[ig]AW[jg]AW[kf]AW[lg]AW[ld]AW[kd]C[White to play... is he dead ? alive ? or is it a ko for life ?]LB[cg:ko]LB[ag:dead]LB[bh:alive]AP[goproblems] (;W[cg]C[];B[dg]C[errr... really ? So prove it...];W[ca];B[ea] (;W[ic];B[ib] (;W[id];B[ie] (;W[he];B[ee]C[I think its dead...];W[ga];B[ha]C[useless... it won't work];W[ec]C[];B[ga]C[omg what's that ?];W[jb]C[W+R (black misread and didn't play the ko)RIGHT]) (;W[ga];B[ha] (;W[he];B[ee]C[]) (;W[ee];B[ef];W[he]C[ok it's a ko :)RIGHT]) (;W[ec];B[ga];W[ee];B[ef];W[he]C[ok it's a ko :)RIGHT])) (;W[ee];B[ef];W[he]C[ok, it's a ko :)RIGHT])) (;W[ga];B[ha];W[ee];B[ef];W[id];B[he];W[ie];B[if]C[dead :(])) (;W[ga];B[ha] (;W[ic];B[ib];W[id];B[ie]C[I think it's dead] (;W[he];B[ee]C[];W[ec]C[];B[ga]C[omg what's that ?];W[jb]C[W+R (black misread and didn't play the ko)RIGHT]) (;W[ee];B[ef];W[he]C[ok it's a ko :)RIGHT]) (;W[ec];B[ga];W[ee];B[ef];W[he]C[ok it's a ko :)RIGHT])) (;W[ec];B[ga];W[ic];B[ee];W[cb];B[ib];W[id];B[ie];W[he];B[jb]C[dead !]) (;W[ee];B[ef];W[ic];B[ib];W[id];B[he];W[ie];B[if]C[dead :(])) (;W[ee];B[ef] (;W[ic];B[ib];W[id];B[he];W[ie];B[if]C[dead :(]) (;W[ga];B[ha];W[ic];B[ib]))) (;W[bh]C[];B[bg]C[show me];W[ca];B[ga] (;W[ec];B[ea];W[ic];B[ib];W[id];B[ie];W[ee];B[ef]C[its a ko :(]) (;W[ic];B[ib] (;W[id];B[he] (;W[ee];B[ef];W[ie];B[if]C[dead]) (;W[ie];B[if];W[ee];B[ef]C[dead])) (;W[ec];B[ea];W[id];B[ie];W[ee];B[ef]C[its a ko :(])) (;W[ea]C[err you said without ko :)])) (;W[ag]C[wrong, white can do somethingNOTTHIS]) (;W[ca]C[NOTTHIS]) (;W[ba]C[NOTTHIS]) (;W[aa]C[NOTTHIS]) (;W[ab]C[NOTTHIS]) (;W[ga]C[NOTTHIS]) (;W[ic]C[NOTTHIS]) (;W[ib]C[NOTTHIS]) (;W[ha]C[NOTTHIS]) (;W[ee]C[NOTTHIS]) (;W[ef]C[NOTTHIS]) (;W[id]C[NOTTHIS]) (;W[ie]C[NOTTHIS]) (;W[he]C[NOTTHIS]) (;W[if]C[NOTTHIS]) (;W[cb]C[NOTTHIS]) (;W[gf]C[NOTTHIS]) (;W[gg]C[NOTTHIS]) (;W[ec]C[NOTTHIS]))