Problem	22879
Created	2020-11-02
Name	Q51 第五十一番
Source	Original （オリジナル）
Rating

Difficulty	9 dan
User Attempts	0 / 51
Solve Ratio Rating	6 dan
	rating history

51. Ko problem （黒先劫） Difficulty level 4 at mimura15.jp

(;AW[al]AW[bm]AW[cn]AW[cl]AW[dn]AW[eo]AW[fp]AW[fq]AW[gr]AW[hs]AW[hq]AB[cq]AB[ds]AP[goproblems] (;B[dp];W[br] (;B[cr] (;W[ao] (;B[bq];W[aq] (;B[ar];W[as] (;B[bs];W[cs]C[RIGHT]) (;B[ap]C[NOTTHISRIGHT]) (;B[bo]C[NOTTHISRIGHT]) (;B[an]C[NOTTHISRIGHT])) (;B[ap]C[NOTTHISRIGHT]) (;B[bo]C[NOTTHISRIGHT]) (;B[an]C[NOTTHISRIGHT])) (;B[bo];W[an] (;B[bq];W[aq] (;B[ar];W[as] (;B[bs];W[cs]C[RIGHT]) (;B[ap]C[NOTTHISRIGHT])) (;B[ap]C[NOTTHISRIGHT])) (;B[ap];W[bp];B[bq];W[aq];B[ar];W[as];B[bs];W[cs]C[RIGHT]))) (;W[dq]C[NOTTHIS] (;B[bq]C[RIGHT]) (;B[eq]C[RIGHT]) (;B[dr]C[RIGHT])) (;W[ap]C[NOTTHIS];B[bo];W[ao];B[an];W[bn];B[aq];W[am] (;B[bq]C[RIGHT]) (;B[bp]C[RIGHT]))) (;B[bq] (;W[ap] (;B[cr] (;W[aq] (;B[bo];W[ao] (;B[ar];W[as] (;B[bs];W[cs]C[RIGHT]) (;B[an];W[bn] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am] (;B[bs];W[cs]C[RIGHT]) (;B[co];W[er];B[bs];W[cs]C[RIGHT]) (;B[er];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[co];W[er] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am];B[bs];W[cs]C[RIGHT])) (;B[er];W[bp] (;B[bs];W[cs]C[RIGHT]) (;B[cp];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT]))) (;B[an];W[bn];B[ar];W[as])) (;B[ao];W[bo];B[ar];W[as] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[an];B[bs];W[cs]C[RIGHT])) (;B[ar];W[as] (;B[ao];W[bo] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[an];B[bs];W[cs]C[RIGHT])) (;B[bo];W[ao] (;B[bs];W[cs]C[RIGHT]) (;B[an];W[bn] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am] (;B[bs];W[cs]C[RIGHT]) (;B[co];W[er];B[bs];W[cs]C[RIGHT]) (;B[er];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[co];W[er] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am])) (;B[er];W[bp] (;B[bs];W[cs]C[RIGHT]) (;B[cp];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT]))) (;B[bs];W[cs]C[RIGHT]))) (;W[dq]C[NOTTHIS] (;B[bo]C[RIGHT]) (;B[eq]C[RIGHT]) (;B[dr]C[RIGHT]))) (;B[bo];W[ao] (;B[an];W[bn];B[cr];W[aq];B[ar];W[as] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am] (;B[bs];W[cs]C[RIGHT]) (;B[co];W[er];B[bs];W[cs]C[RIGHT]) (;B[er];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[co];W[er] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am])) (;B[er];W[bp] (;B[bs];W[cs]C[RIGHT]) (;B[cp];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[cr];W[aq] (;B[ar];W[as] (;B[bs];W[cs]C[RIGHT]) (;B[an];W[bn] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am] (;B[bs];W[cs]C[RIGHT]) (;B[co];W[er];B[bs];W[cs]C[RIGHT]) (;B[er];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[co];W[er] (;B[bs];W[cs]C[RIGHT]) (;B[bp];W[am])) (;B[er];W[bp] (;B[bs];W[cs]C[RIGHT]) (;B[cp];W[co] (;B[bs];W[cs]C[RIGHT]) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT])) (;B[fr]C[NOTTHISRIGHT]) (;B[fs]C[NOTTHISRIGHT]))) (;B[an];W[bn])))) (;W[ao]C[NOTTHIS];B[ar]C[RIGHT])) (;B[bo]C[];W[bq] (;B[bp];W[dr];B[cr];W[dq]) (;B[co];W[cr];B[dr];W[bp]))) (;B[bo];W[dr];B[cr];W[cs] (;B[bs];W[ar] (;B[dp];W[dq];B[co];W[do];B[cp];W[ap];B[ao];W[bq]) (;B[er];W[dq];B[dp];W[eq];B[co];W[do];B[cp];W[ap];B[ao];W[bq]) (;B[co];W[dp];B[cp];W[ap];B[ao];W[bq])) (;B[br] (;W[aq]) (;W[co]) (;W[cp]))) (;B[br] (;W[bp]) (;W[dr])))