Problem	16071
Created	2012-05-14
Source
Rating

Difficulty	1.8 kyu
Average Solve Time	55 secs
User Attempts	360 / 1029
Solve Ratio Rating	5 kyu
	rating history

(;AB[ra]AB[rb]AB[rd]AB[rc]AB[qe]AB[pe]AB[pd]AB[pc]AB[od]AB[md]AB[nd]AB[mb]AW[lb]AW[lc]AW[ld]AW[nb]AW[oc]AW[pb]AW[qb]AW[qa]AW[qc]AW[qd]AW[re]AW[rf]AW[qf]C[Black to Capture White stones.]TR[pb]TR[qb]TR[qa]TR[qc]TR[qd]AW[jb]AP[goproblems] (;B[oa] (;W[ob] (;B[mc];W[ma] (;B[na];W[pa] (;B[na]C[RIGHT]) (;B[la];W[na];B[ka];W[ja])) (;B[nc];W[na])) (;B[na];W[mc] (;B[nc];W[ma]) (;B[ma];W[nc])) (;B[ma];W[mc];B[nc];W[la]) (;B[nc];W[mc])) (;W[na];B[nc]C[RIGHT])) (;B[mc];W[ma] (;B[oa];W[na] (;B[nc];W[ob]) (;B[ob];W[pa];B[ob];W[oa])) (;B[ob];W[oa]) (;B[nc];W[ob];B[na];W[oa])) (;B[nc];W[ob] (;B[mc];W[ma];B[na];W[oa]) (;B[na];W[mc] (;B[oa];W[ma]) (;B[la];W[ka]) (;B[ma];W[la];B[oa];W[pa]))) (;B[na];W[mc] (;B[nc];W[ob] (;B[oa];W[ma]) (;B[la];W[ka]) (;B[ma];W[la];B[oa];W[pa])) (;B[ob];W[oa];B[nc];W[ma];B[ob]C[It's a Ko.])) (;B[ob];W[oa] (;B[nc];W[ob] (;B[ma];W[mc]) (;B[mc];W[ma])) (;B[ma];W[mc];B[nc];W[ob]) (;B[mc];W[ma])) (;B[ma];W[mc] (;B[nc];W[ob]) (;B[ob];W[oa];B[nc];W[ob]) (;B[oa];W[ob];B[nc];W[la])))