Problem | 20645 |
Created | 2015-10-31 |
Name | 109 - 123 |
Source | Yi Ch'ang-ho's Selected Tesuji Go Problems |
Rating | |
Difficulty | 15.9 kyu |
Average Solve Time | 30 secs |
User Attempts |
736 / 1794 |
Solve Ratio Rating | 7 kyu |
| rating history |
(;AB[dq]AB[eq]AB[er]AB[fr]AW[gr]AW[fq]AW[fp]AW[ep]AW[dp]AB[cn]AP[goproblems]
(;B[bp]
(;W[bo]C[CHOICE];B[co];W[cp];B[bq]C[RIGHT];W[cq]C[RIGHT];B[cr]C[RIGHT])
(;W[cq]
(;B[cr]C[RIGHT]
(;W[bq]C[RIGHT];B[cp]C[RIGHT];W[br]C[RIGHT];B[bs]C[RIGHT])
(;W[cp];B[bq]C[RIGHT]))
(;B[cp];W[cr]
(;B[br];W[dr])
(;B[bq];W[dr])
(;B[dr];W[ds])
(;B[cs];W[dr]))
(;B[br];W[cr])
(;B[bq];W[cr]
(;B[cp];W[dr])
(;B[br];W[cp])))
(;W[cp];B[bq]C[RIGHT];W[cq]C[RIGHT];B[cr]C[RIGHT]))
(;B[cp]
(;W[cq]C[CHOICE]
(;B[cr];W[co]
(;B[bq];W[bo])
(;B[bp];W[bo];B[bq];W[dn]))
(;B[co];W[cr])
(;B[bq]
(;W[co];B[cr];W[bo])
(;W[cr];B[br]
(;W[dr])
(;W[co];B[bp];W[bo];B[bn];W[ao];B[do];W[dn];B[eo];W[en];B[fo];W[go];B[fn];W[fm])))
(;B[bp];W[cr]
(;B[br];W[dr])
(;B[bq];W[dr])
(;B[dr];W[ds])
(;B[cs];W[dr]))
(;B[br];W[co];B[bp];W[bo];B[bq];W[dn]))
(;W[cr];B[co]))
(;B[bq];W[bp]
(;B[cp];W[co];B[cq];W[bo])
(;B[bo];W[cp]
(;B[ap];W[cq];B[cr];W[br];B[aq];W[cs];B[dr];W[fs])
(;B[cq];W[ap])))
(;B[bo];W[cp]
(;B[bp];W[cq])
(;B[bq];W[bp];B[ap];W[cq];B[cr];W[br];B[aq];W[cs];B[dr];W[fs])
(;B[cq];W[bp]))
(;B[cr];W[cp])
(;B[br];W[cp])
(;B[co];W[cp])
(;B[do];W[cp])
(;B[cq];W[cp]
(;B[bp];W[bo])
(;B[bq];W[bp])))
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