invalid problem set
Problem | 19891 |
Created | 2015-05-23 |
Name | 108 - 123 |
Source | Yi Ch'ang-ho's Selected Life and Death Go Problems |
Rating | |
Difficulty | 4.4 dan |
Average Solve Time | 45 secs |
User Attempts |
147 / 494 |
Solve Ratio Rating | 4 kyu |
| rating history |
(;AB[bn]AB[bo]AB[dn]AB[do]AB[dp]AB[fo]AB[fp]AB[fq]AB[fr]AB[fs]AW[ao]AW[ar]AW[bp]AW[bq]AW[br]AW[dq]AW[eq]C[Black to kill]SZ[19]PL[B]GE[life and death]DI[3d]DP[10]SO[Spirit]CO[8]GM[1]FF[4]AP[Hibiscus:2.1]ST[3]
(;B[ds]MN[1];W[cs]
(;B[bs]
(;W[cr];B[ap]C[RIGHT])
(;W[as]
(;B[dr];W[cr];B[ap]C[RIGHT])
(;B[cr];W[dr])))
(;B[dr];W[ap];B[cr];W[bs])
(;B[cr];W[bs]
(;B[ap];W[dr])
(;B[dr];W[ap]))
(;B[ap];W[dr]))
(;B[cs]
(;W[cr];B[ds];W[bs];B[ap];W[dr];B[es];W[cp])
(;W[bs];B[ap];W[dr];B[ds];W[cr];B[es];W[cp]))
(;B[bs];W[ds]
(;B[cp];W[ap];B[cr];W[cq])
(;B[ap];W[cs]))
(;B[dr];W[cr];B[cs];W[er];B[es];W[bs];B[ds];W[ap])
(;B[cr]
(;W[ds];B[bs];W[dr];B[cs];W[ap])
(;W[dr];B[ds];W[bs];B[cs];W[cq];B[es];W[ap]))
(;B[ap];W[ds]))
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