Problem 12929 goproblems.com


Author	SilverHawk	Created	2009-07-17
Difficulty	9 kyu (history)	Source	KGS Game
AVG solve time	95 sec	Stars	3.42 (19 votes)
User attempts	1439 / 3612	Collections	N/A
Genre	life and death	Your attempts	N/A
Similar problems
Created	2009-07-17
Source	KGS Game
Stars	3.42 (19 votes)
Collections	N/A
Your attempts	N/A

(;AW[ah]AW[bh]AW[bg]AW[cg]AW[cf]AW[ce]AW[dd]AW[de]AW[ee]AW[fe]AW[ff]AW[fg]AW[fh]AW[gh]AW[dj]AW[dk]AW[dl]AW[fj]AW[fk]AW[fl]AW[gj]AW[hi]AW[ii]AW[ji]AW[ij]AW[ik]AW[jh]AW[jg]AW[ig]AW[if]AW[hl]AW[gm]AW[em]AW[dn]AW[bo]AW[co]AW[cp]AW[dp]AB[df]AB[ef]AB[eg]AB[dg]AB[di]AB[eh]AB[ei]AB[fi]AB[gi]AB[el]AB[ch]AB[bi]AB[cj]AB[cl]AB[cm]AB[bm]AB[fm]AB[fn]AW[ac]AW[bc]AW[cc]AW[bd]AB[ad]AB[ag]AB[bf]AB[be]AB[bb]AB[cb]AB[db]AB[dc]AB[fc]AB[fd]AB[gd]AB[ge]AB[gf]AB[gg]AB[hg]AB[hh]AB[ih]AB[bp]AB[bq]AB[cq]AB[dq]AB[dr]AB[er]AB[fr]AW[eq]AW[fq]AW[gp]AW[gr]C[]AP[goproblems] (;W[ck];B[bk]) (;W[ak];B[ai]) (;W[bk];B[ck] (;W[ai];B[aj]C[] (;W[bj];B[ci]C[Black had no ko threats worth this much.] (;W[ak]C[RIGHT]) (;W[an];B[bl];W[ak]C[RIGHT]) (;W[ap];B[al];W[ak];B[an] (;W[bn]C[RIGHT]) (;W[ao];B[bn])) (;W[ao]C[RIGHT]) (;W[bn]C[RIGHT]) (;W[cd];B[al];W[ak];B[an];W[ao];B[bn]) (;W[al];B[bl];W[ak];B[am];W[aj];B[ao]) (;W[am];B[al] (;W[an];B[bl]) (;W[ak];B[ao] (;W[bl];B[bn]) (;W[bn];B[an]))) (;W[bl];B[al])) (;W[ak];B[bj]) (;W[al] (;B[am];W[bj];B[ci];W[ak];B[ao]C[Black connects.]) (;B[bj] (;W[am];B[an] (;W[bn];B[bl];W[ao];B[ak]) (;W[ao];B[bn]) (;W[bl];B[ak])) (;W[an];B[am]))) (;W[bl];B[al]) (;W[am] (;B[al] (;W[bj];B[ci] (;W[an];B[bl]) (;W[ak];B[ao] (;W[bl];B[bn]) (;W[bn];B[an]))) (;W[ak];B[ao] (;W[bl];B[bn]) (;W[bn];B[an]) (;W[bj];B[ci] (;W[bl];B[bn]) (;W[bn];B[an]))) (;W[bl];B[ao] (;W[bn];B[an]) (;W[ak];B[bn]))) (;B[ak] (;W[bl];B[al]) (;W[al];B[bj]C[Oiotoshi (connect-and-die) for the second eye.]) (;W[an];B[al]))) (;W[an];B[bj] (;W[al];B[am]) (;W[bl];B[am]) (;W[am];B[al]))) (;W[bj];B[ai] (;W[aj];B[ci]) (;W[al];B[am];W[aj];B[ci]) (;W[an];B[am];W[aj];B[ci])) (;W[aj];B[ai];W[bj];B[ci]) (;W[an];B[ak] (;W[ai];B[aj] (;W[al];B[bj]C[Oiotoshi (connect-and-die) for the second eye.]) (;W[bl];B[al])) (;W[am];B[al] (;W[aj];B[bl]C[Oiotoshi (connect-and-die) for the second eye.]) (;W[ai];B[aj])) (;W[al];B[aj] (;W[am];B[bl]) (;W[bl];B[am])) (;W[aj];B[ai] (;W[al];B[am];W[bj];B[ci]) (;W[bj];B[ci];W[al];B[am]) (;W[bl];B[bj])) (;W[bj];B[aj]) (;W[bl];B[al])) (;W[al];B[am] (;W[ai];B[aj];W[bj];B[ci];W[ak];B[ao]C[Black connects.]) (;W[aj];B[ai];W[bj];B[ci]) (;W[bj];B[ai];W[aj];B[ci]) (;W[ak];B[ai]) (;W[bl];B[ai])) (;W[am];B[an] (;W[ao];B[bn] (;W[ai];B[aj] (;W[bj];B[ci] (;W[ak];B[bl]C[Oiotoshi (connect-and-die) for the second eye.]) (;W[al];B[bl]C[Snapback. :/]) (;W[bl];B[ak];W[al];B[aj]C[Snapback. :/])) (;W[ak];B[bj])) (;W[aj];B[ai];W[bj];B[ci]) (;W[bj];B[ai];W[aj];B[ci])) (;W[bn];B[al] (;W[ai];B[aj] (;W[ak];B[bj]) (;W[bj];B[ci])) (;W[aj];B[ai];W[bj];B[ci]) (;W[bj];B[ai];W[aj];B[ci])) (;W[al];B[bn] (;W[ai];B[aj] (;W[bj];B[bl]C[Snapback. :/]) (;W[ak];B[bj])) (;W[aj];B[ai];W[bj];B[ci]) (;W[bj];B[ai];W[aj];B[ci])) (;W[bl];B[al] (;W[bj];B[ai]) (;W[ai];B[aj]) (;W[ak];B[ai];W[am];B[bn]) (;W[aj];B[ai]))) (;W[ak];B[ai];W[am];B[an] (;W[bn];B[al]) (;W[ao];B[bn])) (;W[bl];B[ai];W[am];B[an] (;W[bn];B[al]) (;W[al];B[bn]))) (;W[aj];B[ai] (;W[bj];B[ci] (;W[ck];B[bk]) (;W[bk];B[ck]) (;W[al];B[am] (;W[ck];B[bk]) (;W[bk];B[ck])) (;W[an];B[am] (;W[ck];B[bk]) (;W[bk];B[ck])) (;W[am] (;B[al];W[ck];B[bk]) (;B[an] (;W[al];B[bl] (;W[bk];B[ck]) (;W[bn];B[ak] (;W[ck];B[bk]) (;W[bk];B[ck]))) (;W[bk];B[ck] (;W[bn];B[al]) (;W[al];B[bn]))))) (;W[ck];B[bk]) (;W[bk];B[ck];W[bj];B[ci])) (;W[an];B[ck] (;W[am];B[ak] (;W[al];B[aj]) (;W[aj];B[ai])) (;W[ak];B[al];W[ai];B[bk];W[aj];B[am])) (;W[bj];B[bk] (;W[aj];B[ci] (;W[ck];B[ai]) (;W[ai];B[ck])) (;W[ck];B[aj]) (;W[ai];B[aj])) (;W[al];B[ai] (;W[ck];B[bk] (;W[am];B[aj] (;W[ak];B[an] (;W[bn];B[bl]) (;W[ao];B[bn])) (;W[bl];B[an] (;W[bn];B[ak]) (;W[ao];B[bn]))) (;W[ak];B[am]) (;W[aj];B[am]) (;W[bl];B[am]) (;W[an];B[am])) (;W[bk];B[ck] (;W[am];B[an] (;W[bn];B[ak] (;W[ao];B[bl] (;W[aj];B[bj]C[Oiotoshi (connect-and-die) for the second eye.]) (;W[bj];B[aj])) (;W[aj];B[bj];W[ao];B[bl]) (;W[bj];B[bl])) (;W[ao];B[bn])) (;W[bj];B[am];W[aj];B[ci]) (;W[aj];B[am];W[bj])) (;W[am];B[an] (;W[bn];B[ak];W[ao];B[bk]) (;W[bl];B[bk]) (;W[bk];B[ck] (;W[bn];B[ak] (;W[ao];B[bl] (;W[aj];B[bj]C[Oiotoshi (connect-and-die) for the second eye.]) (;W[bj];B[aj])) (;W[aj];B[bj];W[ao];B[bl]) (;W[bj];B[bl])) (;W[ao];B[bn])) (;W[ck];B[bk] (;W[bn];B[bl];W[ao];B[ak]) (;W[ao];B[bn])) (;W[bj];B[ck] (;W[bn];B[ak];W[ao];B[bl]) (;W[ao];B[bn])) (;W[aj];B[bl] (;W[bn];B[ak] (;W[bk];B[bj];W[ck];B[am]) (;W[ck];B[bk])) (;W[ao];B[bn] (;W[ck];B[bk]) (;W[bk];B[ck])) (;W[bk];B[ck] (;W[bn];B[ak];W[al];B[am]) (;W[ao];B[bn]))) (;W[ak];B[bn] (;W[ck];B[bk]) (;W[bk];B[ck]))) (;W[bl];B[am] (;W[bk];B[ck]) (;W[ck];B[bk])) (;W[ak];B[am];W[ck];B[bk])) (;W[bl];B[bk] (;W[ai];B[aj]) (;W[ck];B[al])) (;W[am];B[al] (;W[bk];B[ck] (;W[ak];B[an] (;W[ai];B[bn] (;W[aj];B[bl]) (;W[bl];B[aj] (;W[am];B[bj]) (;W[bj];B[aj])) (;W[bj] (;B[bl]) (;B[ci] (;W[bl];B[aj]) (;W[aj];B[bl])))) (;W[aj];B[ai];W[bj];B[ci]) (;W[bj];B[ai];W[aj];B[ci])) (;W[ai]C[Black is caught in a snapback and oiotoshi (connect-and-die).];B[aj] (;W[bj];B[ci]) (;W[ak];B[ao] (;W[bl];B[bn]) (;W[bn];B[an]) (;W[bj];B[ci])) (;W[bl];B[ao] (;W[bn];B[an]) (;W[ak]))) (;W[aj];B[ai] (;W[bl];B[bj]C[Snapback. :/]) (;W[bj];B[ci])) (;W[bl];B[an] (;W[bj];B[ai]) (;W[ai];B[aj]) (;W[ak];B[ai];W[am];B[bn]) (;W[aj];B[ai]))) (;W[ai];B[aj] (;W[bk];B[ck] (;W[bj];B[ci]) (;W[ak];B[ao] (;W[bl];B[bn]) (;W[bn];B[an]) (;W[bj];B[ci])) (;W[bl];B[ao] (;W[bn];B[an]) (;W[ak]))) (;W[ck];B[bk])) (;W[aj];B[ai] (;W[bk];B[ck] (;W[bl];B[bj]C[Snapback. :/]) (;W[bj];B[ci])) (;W[ck];B[bk])) (;W[ck];B[bk] (;W[aj];B[ai]) (;W[ai];B[aj])) (;W[bj];B[bk] (;W[aj] (;B[ak]) (;B[ck])) (;W[ai];B[aj])) (;W[ak];B[bk] (;W[aj];B[ai] (;W[bl];B[an] (;W[bn];B[al]) (;W[ao];B[bn];W[ck];B[al]) (;W[al];B[bj])) (;W[an];B[bl])) (;W[ai];B[aj]))) (;W[ai];B[bk] (;W[aj];B[ck] (;W[al];B[am] (;W[ao];B[ak]) (;W[ak];B[ao])) (;W[ak];B[al];W[an];B[am]) (;W[bj];B[ci]) (;W[an];B[al]) (;W[am];B[al])) (;W[ck];B[aj]) (;W[ak];B[al] (;W[aj];B[ck];W[an]) (;W[ck];B[aj])) (;W[al];B[am]) (;W[am];B[aj])))