invalid problem set
Problem | 22017 |
Created | 2018-09-29 |
Name | Q31 第三å一番 |
Source | Original (オリジナル) |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 134 secs |
User Attempts |
5 / 76 |
Solve Ratio Rating | 5 dan |
| rating history |
31. Ko problem (黒先劫)
Please note that two step Ko, disadvantageous for balck, is not a correct answer. (黒ä¸åˆ©ãªï¼‘手ヨセ劫ã¯ä¸æ£è§£ï¼‰.
Difficulty level 1 at mimura15.jp
(;AB[al]AB[bm]AB[cn]AB[cl]AB[do]AB[eo]AB[ep]AB[fq]AB[gq]AB[hr]AB[is]AB[iq]AB[cq]AW[cp]AW[dq]AW[br]AW[bs]AP[goproblems]
(;B[bq];W[bp]
(;B[dr];W[dp];B[cr];W[er]
(;B[ap];W[ao]
(;B[ar];W[aq]C[RIGHT])
(;B[eq];W[ds])
(;B[aq];W[bo]
(;B[es];W[fs]
(;B[cs];W[ds])
(;B[eq];W[ds];B[fr];W[es]))
(;B[eq];W[ds])
(;B[fr];W[ds]))
(;B[bo];W[aq])
(;B[fr];W[ds])
(;B[es];W[ds];B[ar];W[fs];B[bo];W[cs];B[an];W[aq]))
(;B[aq];W[ap]
(;B[es];W[fs];B[cs];W[ds])
(;B[eq];W[ds])
(;B[fr];W[ds]))
(;B[ar];W[ds];B[ap];W[bo])
(;B[eq];W[ds])
(;B[fr];W[ds])
(;B[es];W[ds]))
(;B[dp];W[dr]))
(;B[bp];W[bq])
(;B[cr];W[dr];B[bp];W[bq];B[dp];W[cs];B[cq];W[fr])
(;B[dr];W[cr];B[dp];W[bq];B[er];W[bo]))
Toggle next/previous buttons