invalid problem set
Problem | 21973 |
Created | 2018-05-27 |
Name | Q14 第å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])))
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