Problem	20058
Created	2015-06-01
Source	Daily problems by Haruhiko Shirae
Rating

Difficulty	9 dan
Average Solve Time	108 secs
User Attempts	3 / 61
Solve Ratio Rating	5 dan
	rating history

(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[19]KM[0.00] AW[pa][jb][kb][qb][jc][rc][jd][pd][qd][ke][le][me][ne][oe]AB[mb][ob][pb][kc][ld][md][nd][od]C[Black to live] (;B[oa] (;W[lc] ;B[lb] (;W[nc] ;B[kd] ;W[mc] ;B[oc] ;W[nb] ;B[na] ;W[la] ;B[mc]C[RIGHT CHOICE Alive]) (;W[kd] ;B[mc] ;W[oc] ;B[pc] ;W[nb] ;B[nc] ;W[la] ;B[na]C[RIGHT CHOICE Alive]) (;W[oc] ;B[pc] ;W[nc] ;B[mc] ;W[kd] ;B[nb] ;W[la] ;B[ma]C[RIGHT CHOICE Alive])) (;W[lb] ;B[nc] (;W[ma] ;B[na] ;W[lc] ;B[pc]C[RIGHT CHOICE Alive!]) (;W[pc] ;B[lc] ;W[na] ;B[ma] ;W[oc] ;B[nb]C[RIGHT CHOICE Alive]) (;W[na] ;B[ma] ;W[pc] (;B[nb] ;W[lc]C[CHOICE Dead]) (;B[lc] (;W[la] ;B[nb]C[RIGHT CHOICE Alive]) (;W[oc] ;B[nb]C[RIGHT CHOICE Alive])))) (;W[nc] (;B[nb] ;W[ma] ;B[mc] ;W[lb]) (;B[ma] ;W[mc] ;B[lc] (;W[oc] ;B[pc] (;W[nb] ;B[na] ;W[nc]C[CHOICE Dead]) (;W[qc] ;B[nb]C[RIGHT CHOICE Black is alive])) (;W[nb] ;B[pc] ;W[oc] ;B[na]C[CHOICE Dead])) (;B[lb] (;W[lc] ;B[mc] ;W[kd] ;B[nb] ;W[la] ;B[ma] ;W[oc] ;B[pc]C[RIGHT CHOICE Alive]) (;W[kd] (;B[lc] ;W[nb] ;B[na] ;W[la] ;B[pc] ;W[mc] ;B[oc] ;W[nc]C[CHOICE Dead]) (;B[nb] (;W[lc] ;B[mc] ;W[la] ;B[ma] ;W[oc] ;B[pc]C[RIGHT CHOICE Alive]) (;W[pc] ;B[oc] ;W[mc] ;B[lc]C[RIGHT CHOICE Alive]))) (;W[oc] ;B[pc] ;W[nb] ;B[na] ;W[la] ;B[mc] (;W[kd] ;B[nc]C[RIGHT CHOICE Alive]) (;W[nc] ;B[kd]C[RIGHT CHOICE Alive])))) (;W[oc] ;B[nc] ;W[na] ;B[ma] ;W[pc] ;B[nb] ;W[lc] ;B[lb] ;W[kd]C[CHOICE Dead])) (;B[lb] (;W[lc] ;B[mc] ;W[kd] (;B[oc] ;W[na] ;B[oa] ;W[ma] ;B[la] ;W[nb]C[CHOICE Dead]) (;B[oa] (;W[oc] ;B[pc] ;W[na] ;B[nc] ;W[ma] ;B[la]C[RIGHT CHOICE Alive]) (;W[na] ;B[nb] ;W[la] ;B[ma] ;W[ka] ;B[oc]C[RIGHT CHOICE Alive]))) (;W[oa] ;B[na] ;W[qa] ;B[nc] (;W[lc] ;B[pc] ;W[la] ;B[ma] ;W[ka] ;B[mc] ;W[kd] ;B[lc]C[RIGHT CHOICE Alive]) (;W[pc] ;B[lc] (;W[la] ;B[oc] ;W[ka] ;B[ma]C[RIGHT CHOICE Alive]) (;W[oc] ;B[nb] ;W[la]C[CHOICE Dead]))) (;W[la] ;B[ma] (;W[kd] ;B[lc] ;W[oc] ;B[nc] (;W[oa] ;B[pc] ;W[na] ;B[nb]C[RIGHT CHOICE Alive]) (;W[pc] ;B[oa]C[RIGHT CHOICE Alive])) (;W[oc] (;B[kd] ;W[nc] (;B[pc] ;W[nb] ;B[na] ;W[mc]C[CHOICE Dead]) (;B[nb] ;W[pc] (;B[mc] ;W[oa]C[CHOICE Dead]) (;B[oa] ;W[mc]C[CHOICE Dead]))) (;B[pc] ;W[nc] ;B[nb] (;W[lc] ;B[mc] ;W[kd] ;B[oa]C[RIGHT CHOICE Alive]) (;W[oa] ;B[mc] ;W[kd]C[CHOICE Dead]))))) (;B[nc] (;W[pc] (;B[lc] ;W[na] ;B[oa] ;W[oc] ;B[nb] ;W[ma] ;B[la] ;W[ma]C[CHOICE Dead]) (;B[na] ;W[lc] (;B[la] ;W[lb]C[CHOICE Dead]) (;B[lb] (;W[la] ;B[kd]C[RIGHT CHOICE Alive]) (;W[kd] ;B[la] ;W[oc] ;B[oa]C[RIGHT CHOICE Alive])))) (;W[na] ;B[pc] (;W[oa] ;B[lc] ;W[ma] ;B[la] ;W[lb] ;B[nb]C[RIGHT CHOICE Alive]) (;W[lc] ;B[mc] ;W[oa] (;B[ma] ;W[lb]C[CHOICE Dead]) (;B[lb] ;W[kd]C[CHOICE Dead])))))