Problem	12016
Created	2008-12-01
Source	KGS Game
Rating

Difficulty	8 dan
Average Solve Time	51 secs
User Attempts	65 / 282
Solve Ratio Rating	2 kyu
	rating history

My first problem here. Taken from a game between two KGS 3-dans.

(;AB[bh]AB[ch]AB[dh]AB[eh]AB[ei]AB[ek]AB[el]AB[em]AB[en]AB[fm]AB[cm]AB[cl]AB[bl]AB[am]AW[bn]AW[bm]AW[dn]AW[cn]AW[eo]AW[fo]AW[gm]AW[gn]AW[fn]AW[do]AW[gl]AW[fl]AW[fk]AW[fj]AW[fi]AW[fh]AW[fg]AW[dg]AW[cg]AW[bg]AW[af]AW[ah]AW[ag]AB[ai]AW[df]AW[ff]C[What can white do here?]AP[goproblems] (;W[bi];B[aj] (;W[ej];B[dj] (;W[cj];B[bj]C[];W[dk];B[ci];W[di]C[Ko.RIGHT]) (;W[bj];B[ak] (;W[cj];B[ck]) (;W[bk];B[al] (;W[cj];B[ck]) (;W[dk];B[ck])) (;W[dk];B[ck])) (;W[dk];B[cj];W[bj];B[ak];W[bk];B[al]) (;W[ak];B[bj];W[cj];B[ci])) (;W[bj];B[ak] (;W[ej];B[dj] (;W[cj];B[ck]) (;W[bk];B[al] (;W[cj];B[ck]) (;W[dk];B[ck])) (;W[dk];B[ck])) (;W[bk];B[al];W[ej];B[dj] (;W[cj];B[ck]) (;W[dk];B[ck]))) (;W[bk];B[ak] (;W[bj];B[al];W[ej];B[dj]) (;W[ej];B[dj] (;W[bj];B[al] (;W[cj];B[ck]) (;W[dk];B[ck])) (;W[cj];B[ck]) (;W[dk];B[ck];W[bj];B[al]))) (;W[cj];B[bj]C[];W[ej];B[dj];W[dk];B[ci];W[di]C[Ko.RIGHT])) (;W[ej];B[dj] (;W[bi];B[aj] (;W[cj];B[bj]C[];W[dk];B[ci];W[di]C[Ko.RIGHT]) (;W[bj];B[ak]) (;W[dk];B[cj];W[bj];B[ak];W[bk];B[al]) (;W[ak];B[bj];W[cj];B[ci])) (;W[cj];B[bi];W[dk];B[di];W[ck];B[bk]) (;W[dk];B[cj];W[bi];B[aj];W[bj];B[ak];W[bk];B[al])) (;W[dj];B[ej] (;W[bi];B[aj]) (;W[aj];B[bi])))