Problem	11808
Created	2008-10-11
Source
Rating

Difficulty	14.4 kyu
Average Solve Time	55 secs
User Attempts	1312 / 2574
Solve Ratio Rating	10 kyu
	rating history

Black to play and kill 7 white stones.

(;AB[bs]AB[cr]AB[cq]AB[dq]AB[eq]AB[bo]AB[bn]AB[cn]AB[ck]AB[do]AB[eo]AB[fo]AB[fp]AB[gp]AW[br]AW[bq]AW[bp]AW[cp]AW[co]AW[dp]AW[ep]AW[er]AW[fq]AW[gq]AW[hp]AW[iq] (;B[fr] (;W[dr];B[cs];W[gr] (;B[ap]C[RIGHT];W[ar];B[ao];W[fs];B[aq]C[RIGHT]) (;B[ar]C[RIGHT];W[fs] (;B[ap]C[RIGHT]) (;B[aq]C[RIGHT]))) (;W[gr];B[ap];W[dr];B[cs];W[ar];B[ao];W[fs];B[aq]C[RIGHT])) (;B[ap];W[dr];B[cs];W[ds]) (;B[ar];W[dr];B[cs];W[ds]) (;B[cs];W[dr] (;B[fr];W[gr] (;B[ar];W[fs] (;B[ap]C[RIGHT]) (;B[aq]C[RIGHT])) (;B[ap];W[fs] (;B[ar]C[RIGHT]) (;B[aq]C[RIGHT]))) (;B[ds];W[es]) (;B[ar];W[ds]) (;B[ap];W[ds]) (;B[aq];W[ds])))