Problem	12905
Created	2009-07-08
Source	Tsumego Book (I can't read the title)
Rating

Difficulty	5.4 kyu
Average Solve Time	52 secs
User Attempts	686 / 1680
Solve Ratio Rating	7 kyu
	rating history

(;AW[ra]AW[rb]AW[qb]AW[qc]AW[qd]AW[pd]AW[od]AW[nd]AW[ob]AB[pc]AB[sb]AB[rc]AB[rd]AB[qe]AB[pe]AB[oe]AB[ne]AB[md]AB[mc]AB[nb]AB[na]AB[qa]C[B to kill]AP[goproblems] (;B[pa] (;W[oa];B[oc] (;W[pb];B[nc]C[good!RIGHT]) (;W[nc];B[pb]C[greatRIGHT])) (;W[pb];B[oa];W[nc] (;B[lb]C[RIGHT]) (;B[mb]C[RIGHT]))) (;B[pb];W[pa] (;B[oa];W[oc]C[CHOICE]) (;B[nc];W[oc]C[CHOICE]) (;B[oc];W[nc]C[CHOICE])) (;B[oa];W[pa];B[oc];W[nc];B[pb];W[ob]C[CHOICE]) (;B[nc];W[oc];B[pa];W[oa]C[CHOICE]) (;B[oc];W[nc];B[pa];W[pb] (;B[mb];W[oa]) (;B[oa];W[mb]C[CHOICE])))