Problem	21973
Created	2018-05-27
Name	Q14 第十四番
Source	Original （オリジナル）
Rating

Difficulty	7 dan
Average Solve Time	50 secs
User Attempts	24 / 153
Solve Ratio Rating	1 dan
	rating history

14. Ko problem （黒先劫）. Difficulty level 1 at mimura15.jp

(;AB[ao]AB[an]AB[bn]AB[cn]AB[do]AB[dp]AB[fn]AB[fp]AB[fq]AB[eq]AB[fr]AB[es]AB[bs]AW[gr]AW[gq]AW[iq]AW[er]AW[dr]AW[dq]AW[cr]AW[cp]AW[bo]AW[bq]AP[goproblems] (;B[br];W[cs] (;B[bp];W[ap] (;B[co] (;W[ar];B[bp]C[RIGHT]) (;W[aq] (;B[bp]C[RIGHT]) (;B[fs]C[RIGHT]))) (;B[ar];W[co])) (;B[aq];W[ar];B[ap];W[bp]) (;B[ap];W[bp];B[aq];W[ar]) (;B[co];W[bp] (;B[aq];W[ar];B[ap];W[as]) (;B[ap];W[aq]))) (;B[ar];W[bp]) (;B[aq];W[ar] (;B[ap];W[bp];B[br];W[cs]) (;B[br];W[cs] (;B[ap];W[bp]) (;B[co];W[bp];B[ap];W[as])) (;B[co];W[bp];B[br];W[cs];B[ap];W[as])) (;B[ap];W[bp] (;B[aq];W[ar];B[br];W[cs]) (;B[br];W[cs];B[aq];W[ar]) (;B[ar];W[aq])) (;B[co];W[bp];B[br];W[cs];B[aq];W[ar];B[ap];W[as]) (;B[bp];W[ap] (;B[co];W[bp];B[br];W[ds];B[fs];W[ar]) (;B[br];W[ds];B[fs];W[ar];B[co];W[bp])))