Problem	13142
Created	2009-10-02
Source
Rating

Difficulty	7 dan
Average Solve Time	39 secs
User Attempts	90 / 364
Solve Ratio Rating	3 kyu
	rating history

(;AB[ar]AB[aq]AB[br]AW[bs]AW[as]AW[cs]AW[cr]AW[cq]AB[bo]AB[co]AB[cm]AB[cn]AW[bm]AW[bn]AB[bl]AB[bk]AB[bj]AW[cl]AW[ck]AW[cj]AW[ci]AW[bi]AW[dm]AW[do]AW[fo]AW[eq]AB[bq]AW[eo]AW[em]AW[ai]C[CHOICE]AP[goproblems] (;B[al];W[aj];B[ao];W[bp];B[cp];W[ap];B[bq];W[ak];B[am];W[an];B[bl]C[RIGHT]) (;B[am];W[aj];B[an];W[bm] (;B[cp];W[ap];B[bp];W[al]) (;B[bn];W[ak];B[bp];W[al])) (;B[aj];W[al]) (;B[an];W[aj] (;B[am];W[bm] (;B[cp];W[ap];B[bp];W[al]) (;B[bn];W[ak];B[bp];W[al])) (;B[bp];W[al];B[am];W[bm];B[bn];W[ak])) (;B[ap];W[cp] (;B[am];W[aj];B[an];W[bm]) (;B[an];W[aj] (;B[al];W[bp]) (;B[am];W[bm]))) (;B[ao];W[al];B[am];W[aj];B[an];W[bm]) (;B[bp];W[al];B[am];W[aj];B[an];W[bm];B[bn];W[ak]))