invalid problem set
| Problem | 19425 |
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| Created | 2015-04-12 |
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| Name | 042 - 123 |
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| Source | Yi Ch'ang-ho's Selected Life and Death Go Problems |
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| Rating | |
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| Difficulty | 8.7 kyu |
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| Average Solve Time | 49 secs |
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| User Attempts |
421 / 1147 |
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| Solve Ratio Rating | 6 kyu |
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| rating history |
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(;AB[bq]AB[cq]AB[bo]AB[dp]AB[ep]AB[fq]AB[gq]AB[iq]AW[br]AW[cr]AW[dq]AW[eq]AP[goproblems]
(;W[er]
(;B[ar];W[ds]
(;B[fr];W[bs]LB[gr:A]LB[fs:B]C[CHOICERIGHT])
(;B[bs];W[fr];B[gr];W[fs]C[RIGHT]))
(;B[ds];W[ar];B[fr];W[es]C[RIGHT]))
(;W[fr];B[gr]
(;W[er];B[ds];W[ar];B[fs]LB[es:A]C[White cannot play at A]
(;W[es];B[dr])
(;W[dr];B[es])
(;W[cs];B[es]))
(;W[es];B[ds];W[dr];B[gs]))
(;W[es];B[ds];W[dr];B[fr];W[er];B[ar]))
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