Problem 9445 goproblems.com


Author	tossy	Created	2006-11-15
Difficulty	5 dan (history)	Source	original
AVG solve time	67 sec	Stars	3 (2 votes)
User attempts	122 / 954	Collections	Oki (Placement) Tesuji
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2006-11-15
Source	original
Stars	3 (2 votes)
Collections	Oki (Placement) Tesuji
Your attempts	N/A

(;AB[bf]AB[bh]AB[ch]AB[dh]AW[bi]AW[ci]AW[dj]AW[bl]AW[cm]AW[dm]AW[bn]AW[an]AB[ao]AB[bo]AB[cp]AB[cn]AB[dn]AB[em]AB[el]AB[fj]AB[fi]AB[fk]AB[eh]C[Black to kill]AP[goproblems] (;B[ck] (;W[dk] (;B[dl] (;W[cl]C[CHOICE] (;B[bk]C[];W[ak] (;B[am]C[RIGHT]) (;B[aj]C[];W[am]C[ko])) (;B[bj];W[bk]) (;B[am];W[bk] (;B[bm];W[al]) (;B[al];W[bm]))) (;W[bk];B[cl] (;W[cj];B[bm];W[aj];B[al]C[RIGHT]) (;W[bm] (;B[bj];W[cj];B[aj];W[ai]) (;B[cj];W[bj];B[ai];W[aj];B[al]C[RIGHT]) (;B[ai];W[aj];B[al]C[RIGHT]) (;B[aj];W[ai] (;B[bj];W[cj]) (;B[ak];W[al])) (;B[ak];W[al] (;B[aj];W[ai]) (;B[bj];W[aj]) (;B[ai];W[aj]))))) (;B[cl];W[dl] (;B[bk];W[ak] (;B[am];W[bj] (;B[bm];W[cj] (;B[ck];W[ai]) (;B[ai];W[ck])) (;B[ai];W[bm])) (;B[ai];W[bj];B[am];W[bm]) (;B[aj];W[ai] (;B[al];W[bm] (;B[di];W[cj]) (;B[cj];W[di])) (;B[bm];W[am];B[al];W[bm]))) (;B[ai];W[bk]) (;B[bj];W[bk]) (;B[cj];W[bj]) (;B[ak];W[bk]) (;B[am];W[bm] (;B[bk];W[ak]) (;B[aj];W[bk]) (;B[ai];W[aj]) (;B[ak];W[bk]) (;B[bj];W[bk])) (;B[aj];W[bk])) (;B[ai];W[bk] (;B[aj];W[dl] (;B[bj];W[cj]) (;B[am];W[bm])) (;B[dl];W[cl] (;B[bj];W[ak] (;B[cj];W[aj]) (;B[aj];W[cj] (;B[am];W[ah]) (;B[ah];W[am])) (;B[am];W[aj])) (;B[am];W[aj] (;B[bm];W[al]) (;B[cj];W[bm])) (;B[aj];W[bj]) (;B[al];W[ak];B[bj];W[cj])) (;B[am];W[bm] (;B[aj];W[dl]) (;B[dl];W[aj] (;B[al];W[cl]) (;B[cl];W[al]))) (;B[bj];W[cj] (;B[aj];W[dl]) (;B[dl];W[aj];B[cl];W[bm] (;B[ah];W[al]) (;B[al];W[ah]))) (;B[al];W[ak] (;B[dl];W[cl] (;B[bj];W[cj]) (;B[am];W[bm];B[bj];W[cj])) (;B[am];W[bm];B[dl];W[cl];B[bj];W[cj]))) (;B[bk]) (;B[bj];W[bk] (;B[cj];W[aj]) (;B[ai];W[cj] (;B[aj];W[ak];B[ah];W[am]) (;B[am];W[bm];B[aj];W[dl]))) (;B[cj];W[bk];B[dl];W[cl]) (;B[am];W[bm] (;B[bk];W[dl];B[ak];W[bj]) (;B[dl];W[bk];B[cl];W[al] (;B[aj];W[ai]) (;B[ai];W[aj]) (;B[cj];W[bj]))) (;B[aj];W[bk] (;B[dl];W[cl] (;B[ai];W[bj]) (;B[bj];W[ai]) (;B[am];W[bm];B[ai];W[bj])) (;B[ai];W[bj]) (;B[am];W[bm] (;B[ak];W[ai]) (;B[ai];W[ak];B[bj];W[cj] (;B[ah];W[dl]) (;B[dl];W[ah])))) (;B[ak];W[bk];B[dl];W[cl];B[ai];W[bj] (;B[al];W[aj]) (;B[aj];W[al]))) (;W[bk]C[CHOICE] (;B[dk] (;W[cl] (;B[ai];W[aj] (;B[al]C[RIGHT]) (;B[am] (;W[bm] (;B[al];W[ah];B[cj]C[RIGHT]) (;B[cj];W[al];B[bj]C[RIGHT]) (;B[ah];W[al])) (;W[al] (;B[ah];W[bm]) (;B[bm];W[ah];B[cj]C[RIGHT]))) (;B[ah];W[al])) (;B[am];W[bm] (;B[ai];W[aj];B[al]C[RIGHT];W[ah];B[cj]C[RIGHT]) (;B[cj];W[bj];B[ai];W[aj];B[al]C[RIGHT]) (;B[aj];W[ai]) (;B[bj];W[cj]) (;B[ak];W[aj])) (;B[aj];W[ai];B[bj];W[cj]) (;B[al];W[ak] (;B[ai];W[am]) (;B[cj];W[am]) (;B[bj];W[am]) (;B[am]C[RIGHT])) (;B[cj];W[bj] (;B[ai];W[aj];B[al]C[RIGHT]) (;B[al];W[ak] (;B[ai];W[am]) (;B[am];W[bm];B[ai]C[RIGHT])) (;B[aj];W[ai] (;B[al];W[ak]) (;B[am];W[bm])) (;B[ak];W[al]) (;B[am];W[bm] (;B[ai];W[aj];B[al]C[RIGHT]) (;B[al];W[ak];B[ai]C[RIGHT])) (;B[bm];W[am]) (;B[ah];W[ai] (;B[al];W[ak]) (;B[am];W[bm]))) (;B[ak];W[al] (;B[bj];W[cj]) (;B[ai];W[aj]) (;B[aj];W[ai])) (;B[bj];W[cj]) (;B[bm];W[am]) (;B[ah];W[am])) (;W[cj] (;B[ai];W[aj] (;B[ah] (;W[al];B[bm];W[am];B[cl]C[RIGHT]) (;W[bm];B[al]C[RIGHT])) (;B[am];W[bm] (;B[al];W[ah]) (;B[ah];W[al])) (;B[bm];W[am] (;B[cl];W[ah]) (;B[ah];W[cl])) (;B[al] (;W[bm];B[ah]C[RIGHT]) (;W[ah];B[bm]C[RIGHT])) (;B[cl];W[ah])) (;B[aj];W[ai] (;B[am];W[bm]) (;B[al];W[ak]) (;B[ak];W[cl] (;B[am];W[bm]) (;B[al];W[bj]))) (;B[ak];W[aj]) (;B[al] (;W[ak];B[ai];W[am];B[cl]C[RIGHT]) (;W[aj];B[bm]C[RIGHT])) (;B[am];W[bm] (;B[ai];W[aj] (;B[al];W[ah]) (;B[ah];W[al])) (;B[aj];W[ai])) (;B[bm];W[am] (;B[ai];W[cl] (;B[ak];W[aj];B[bj];W[al]) (;B[aj];W[ak])) (;B[aj];W[ai] (;B[cl];W[ak]) (;B[ak];W[cl]))) (;B[cl];W[aj]))) (;B[cl];W[cj] (;B[bm];W[am] (;B[aj];W[dl]) (;B[dl];W[aj])) (;B[ai];W[dl]) (;B[aj];W[dl]) (;B[am];W[bm] (;B[dl];W[aj]) (;B[dk];W[aj]) (;B[aj];W[ai]))) (;B[dl];W[ai] (;B[cj];W[bj];B[bm];W[am] (;B[ak];W[cl];B[dk]) (;B[cl];W[ak];B[bm];W[cm])) (;B[cl];W[bm] (;B[cj];W[bj]) (;B[bj];W[cj]))) (;B[cj];W[dk];B[dl];W[cl]) (;B[ai];W[dk] (;B[dl];W[cl];B[bj];W[ak];B[aj];W[am]) (;B[aj];W[dl] (;B[bj];W[cj]) (;B[am];W[bm]))) (;B[am];W[bm];B[dk];W[al] (;B[bj];W[cj]) (;B[aj];W[ai]) (;B[ai];W[aj])) (;B[bm];W[am];B[cl];W[cj] (;B[aj];W[dl]) (;B[dl];W[aj])) (;B[al];W[ak];B[am];W[bm] (;B[dk];W[ai]) (;B[dl];W[ai]) (;B[cl];W[ai]) (;B[bj];W[cj];B[ai];W[aj] (;B[ah];W[dk]) (;B[dk];W[ah]) (;B[dl];W[ah]) (;B[cl];W[dl])) (;B[cj];W[dk])) (;B[aj];W[dk] (;B[ai];W[bj]) (;B[bj];W[ai];B[dl];W[cl])))) (;B[dk];W[ck] (;B[am];W[bm];B[bj];W[al];B[ai];W[bk];B[dl];W[aj];B[ak];W[cj]) (;B[aj];W[ak];B[ai];W[am]) (;B[ak];W[bm] (;B[ai];W[al];B[bj];W[dl]) (;B[dl];W[bk];B[ai];W[al] (;B[bj];W[cj]) (;B[aj];W[bj];B[ah];W[di])) (;B[aj];W[ai] (;B[dl];W[al]) (;B[al];W[dl]))) (;B[al];W[ak] (;B[am];W[bm]) (;B[aj];W[am];B[ai];W[bj])) (;B[bj];W[cj] (;B[ai];W[bk];B[aj];W[dl] (;B[am];W[bm]) (;B[al];W[ak])) (;B[ak];W[bk];B[aj];W[al]) (;B[al];W[ak] (;B[dl];W[am];B[cl];W[bm]) (;B[ai];W[bk])) (;B[dl];W[ak];B[bm];W[am];B[cl];W[bm])) (;B[dl];W[bj] (;B[cl];W[di] (;B[bm];W[al]) (;B[ak];W[bm]) (;B[ai];W[bm])) (;B[di];W[cl])) (;B[bm];W[am];B[aj] (;W[ak];B[ai];W[dl]) (;W[ai])) (;B[bk];W[bj])) (;B[dl];W[ck] (;B[bm];W[bj] (;B[cl];W[al]) (;B[am];W[cl])) (;B[bj];W[aj] (;B[ak];W[ai];B[bk];W[cl];B[al];W[cj]) (;B[al];W[ak])) (;B[ai];W[bj] (;B[bm];W[ak];B[cl];W[al]) (;B[cl];W[ak];B[bm];W[al]) (;B[ak];W[bm] (;B[aj];W[al]) (;B[al];W[aj]))) (;B[aj];W[ai] (;B[al];W[bm];B[bk];W[bj]) (;B[ak];W[bj];B[al];W[bm])) (;B[al];W[bj] (;B[bm];W[ak];B[cl];W[am] (;B[cm];W[al]) (;B[al];W[am])) (;B[ak];W[bm]) (;B[ai];W[ak] (;B[bm];W[am];B[cl];W[bm]) (;B[cl];W[bm]))) (;B[ak];W[bm] (;B[ai];W[bj];B[aj];W[al];B[di];W[dk]) (;B[aj];W[ai] (;B[al];W[bj]) (;B[bj];W[al])) (;B[al];W[bj]) (;B[bj];W[ai];B[al];W[di] (;B[bk];W[cl]) (;B[cl];W[bk])) (;B[bk];W[bj])) (;B[am];W[bj] (;B[cl];W[bm]) (;B[bm];W[cl]))) (;B[cl];W[bk] (;B[bm];W[am] (;B[dl];W[ck];B[bm];W[cm] (;B[ai];W[aj]) (;B[aj];W[ai])) (;B[ck];W[ai] (;B[cj];W[bj] (;B[ak];W[dl]) (;B[dl];W[ak];B[bm];W[cm])) (;B[dl];W[cj];B[bm];W[cm]) (;B[ak];W[cj] (;B[aj];W[dl]) (;B[dl];W[aj];B[bm];W[cm]))) (;B[ai];W[dl] (;B[dk];W[ck]) (;B[aj];W[ak]) (;B[ck];W[dk]) (;B[bj];W[ck]) (;B[cj];W[ck]) (;B[ak];W[bj])) (;B[aj];W[dl];B[ai];W[ak])) (;B[am];W[bm];B[ai];W[aj] (;B[al] (;W[ck]) (;W[dl])) (;B[ck];W[al])) (;B[ai];W[dl]) (;B[dl];W[bm] (;B[aj];W[ai];B[ck];W[ak]) (;B[al] (;W[ak];B[ai];W[ck] (;B[bj];W[aj]) (;B[aj];W[bj])) (;W[aj] (;B[ck];W[cj]) (;B[di];W[ck]) (;B[dk];W[cj]) (;B[ah];W[ck]))))) (;B[bk];W[ck] (;B[bj];W[aj] (;B[dl];W[bm];B[al];W[cj]) (;B[bm];W[am];B[ak];W[ai];B[dl];W[cl]) (;B[dk];W[cj];B[dl];W[ak]) (;B[ak];W[ai];B[dl];W[cl];B[al];W[cj]) (;B[al];W[bm])) (;B[ak];W[bj]) (;B[al];W[bj];B[bm];W[ak];B[am];W[dl]) (;B[aj];W[bj];B[ai];W[ak]) (;B[am];W[bj];B[bm];W[ak];B[dk];W[cl];B[di];W[ai])) (;B[di];W[bk];B[ai];W[am] (;B[aj];W[ak] (;B[dl];W[cl]) (;B[dk];W[ck]) (;B[bj];W[cj])) (;B[dk];W[aj] (;B[cl];W[cj] (;B[ah];W[ck]) (;B[ck];W[ah])) (;B[ck];W[cl]) (;B[cj];W[cl]))) (;B[ei];W[ck]) (;B[ej];W[bk] (;B[dk];W[aj]) (;B[ai];W[dl]) (;B[dl];W[bm];B[ai];W[aj] (;B[ck];W[al]) (;B[al];W[ck])) (;B[aj];W[dl];B[ai];W[ak])) (;B[ek];W[bk] (;B[ai];W[dl];B[dk];W[ck];B[aj];W[ak]) (;B[dl];W[bm];B[ck];W[al] (;B[ai];W[aj]) (;B[bj];W[cj]) (;B[aj];W[ai]))) (;B[cj];W[ck] (;B[ai];W[bj]) (;B[dl];W[bj]) (;B[bj];W[aj]) (;B[am];W[bm] (;B[dl];W[bj]) (;B[bj];W[aj]) (;B[ai];W[bj]))) (;B[bj];W[bk] (;B[ai];W[cj] (;B[ak];W[al]) (;B[aj];W[dl] (;B[al];W[ak]) (;B[ak];W[al]) (;B[dk];W[ck] (;B[am];W[bm]) (;B[al];W[ak]))) (;B[dl];W[aj]) (;B[dk];W[aj])) (;B[cj];W[aj]) (;B[ck];W[aj] (;B[dk];W[cj]) (;B[cl];W[cj])) (;B[dk];W[aj] (;B[cl];W[cj]) (;B[ck];W[cj]) (;B[am];W[bm] (;B[ck];W[cj]) (;B[al];W[ck])) (;B[al];W[bm];B[ck];W[cj])) (;B[aj];W[ai] (;B[ck];W[cj]) (;B[cl];W[dl]) (;B[dk];W[cj]) (;B[am];W[bm])) (;B[am];W[bm];B[aj];W[ai])) (;B[ai];W[ck] (;B[bj];W[dl] (;B[al];W[ak] (;B[aj];W[bk];B[am];W[bm]) (;B[am];W[bm];B[aj];W[bk])) (;B[am];W[bm];B[ak];W[al])) (;B[ak];W[dl];B[al];W[bj];B[aj];W[bk]) (;B[aj];W[dl] (;B[bj];W[al]) (;B[al];W[bk];B[ak];W[bj])) (;B[al];W[ak] (;B[am];W[bm];B[aj];W[bj]) (;B[aj];W[am];B[bj];W[bk])) (;B[dk];W[bj]) (;B[dl];W[bj] (;B[bm];W[ak];B[cl];W[al]) (;B[cl];W[ak];B[bm];W[al]) (;B[ak];W[bm] (;B[aj];W[al];B[di];W[dk]) (;B[al];W[aj]))) (;B[am];W[bm];B[ak];W[al] (;B[bj];W[dl]) (;B[dl];W[bj];B[aj];W[bk]))) (;B[aj];W[ai];B[al];W[bm] (;B[bk];W[ck];B[dl];W[bj]) (;B[ck];W[dk];B[dl];W[bk] (;B[cl];W[ak]) (;B[ak];W[cl])) (;B[dl];W[bk];B[ak];W[ck]) (;B[ak];W[ck] (;B[bk];W[bj]) (;B[bj];W[dl])) (;B[bj];W[bk];B[ak];W[cj]) (;B[dk];W[ck] (;B[bj];W[ak]) (;B[bk];W[bj]))) (;B[ak];W[ck];B[ai];W[dl];B[al];W[bj] (;B[bm];W[bk]) (;B[aj];W[bk])) (;B[al];W[ck] (;B[aj];W[bk];B[ai];W[ak];B[am];W[bm] (;B[bj];W[dl]) (;B[dl];W[bj])) (;B[ak];W[bm] (;B[ai];W[bj];B[aj];W[dl] (;B[bk];W[di]) (;B[di];W[bk])) (;B[bj];W[ai];B[dl];W[bk])) (;B[bk];W[bj];B[bm];W[ak];B[am];W[dl])) (;B[am];W[bm] (;B[ck];W[dk] (;B[dl];W[bk] (;B[cl];W[al] (;B[aj];W[ai]) (;B[bj];W[cj]) (;B[ai];W[aj])) (;B[ai];W[aj] (;B[cl];W[al]) (;B[al];W[cl]))) (;B[bk];W[dl];B[ai];W[aj] (;B[ak];W[bj]) (;B[ah];W[al])) (;B[bj];W[bk];B[ai];W[cj] (;B[dl];W[aj] (;B[cl];W[ah]) (;B[ah];W[cl])) (;B[aj];W[dl])) (;B[ai];W[bk] (;B[dl];W[aj] (;B[cl];W[al]) (;B[al];W[cl])) (;B[aj];W[dl]) (;B[ak];W[al])) (;B[cl];W[dl] (;B[bk];W[ak]) (;B[aj];W[bk]) (;B[ai];W[aj]) (;B[ak];W[bk]) (;B[bj];W[bk]))) (;B[dk];W[ck] (;B[bj];W[al] (;B[ai];W[bk] (;B[dl];W[aj];B[ak];W[cj]) (;B[aj];W[dl])) (;B[dl];W[ai])) (;B[aj];W[ai])) (;B[aj];W[ai] (;B[ck];W[bk];B[dk];W[ak]) (;B[dk];W[bk]) (;B[bk];W[ck])) (;B[bk];W[ck] (;B[ak];W[al];B[ai];W[aj];B[bj];W[cj]) (;B[aj];W[ai])) (;B[ai];W[ck];B[aj];W[dl] (;B[bj];W[al]) (;B[ak];W[al])) (;B[bj];W[bk];B[ai];W[cj];B[aj];W[dl]) (;B[ak];W[bj];B[ck];W[bk] (;B[dk];W[al]) (;B[al];W[aj] (;B[dk];W[al]) (;B[al];W[dk]))) (;B[dl];W[bk] (;B[ck];W[al] (;B[aj];W[ai]) (;B[ai];W[aj]) (;B[cj];W[bj]) (;B[bj];W[cj])) (;B[aj];W[ai];B[ck];W[ak]))) (;B[bm];W[am] (;B[cl];W[bk] (;B[dl];W[ck] (;B[aj];W[ai] (;B[ak];W[bj]) (;B[bj];W[ak])) (;B[ai];W[aj])) (;B[ck];W[ai];B[cj];W[bj] (;B[ak];W[dl]) (;B[dl];W[ak];B[bm];W[cm]))) (;B[ck];W[bk] (;B[ai];W[cl]) (;B[aj];W[ai] (;B[cj];W[bj] (;B[cl];W[ak]) (;B[ak];W[dk])) (;B[cl];W[ak]) (;B[bj];W[cj];B[ak];W[al] (;B[dk];W[aj]) (;B[dl];W[aj]) (;B[cl];W[dl]) (;B[aj];W[dk]))) (;B[dk];W[aj] (;B[cl];W[cj]) (;B[cj];W[cl])) (;B[cl];W[ai] (;B[cj];W[bj] (;B[dl];W[ak];B[bm];W[cm]) (;B[ak];W[dl])) (;B[dl];W[cj] (;B[ak];W[aj];B[bm];W[cm]) (;B[aj];W[ak]))) (;B[bj];W[cj];B[aj];W[ai];B[ak];W[dk]) (;B[cj];W[cl] (;B[bj];W[aj]) (;B[aj];W[bj])))) (;B[ah];W[bk] (;B[dl];W[al]) (;B[ai];W[dl]) (;B[dk];W[bm] (;B[ai];W[aj] (;B[al];W[ck]) (;B[ck];W[al])) (;B[aj];W[ai];B[ck];W[ak]) (;B[ck];W[al] (;B[aj];W[ai]) (;B[bj];W[cj]) (;B[ai];W[aj]))) (;B[ck];W[ai];B[cj];W[bj];B[bm];W[am] (;B[cl];W[dl]) (;B[ak];W[dk])) (;B[am];W[bm] (;B[dk];W[al] (;B[aj];W[ai]) (;B[bj];W[cj]) (;B[ai];W[aj])) (;B[ai];W[dl]) (;B[aj];W[dl]) (;B[dl];W[al] (;B[aj];W[ai]) (;B[bj];W[aj]) (;B[ai];W[aj]))) (;B[bm];W[am] (;B[dl];W[cl]) (;B[ai];W[dl]) (;B[dk];W[cl]) (;B[ck];W[cl]))))