invalid problem set
Problem | 4413 |
Created | 2004-05-03 |
Source | NHK Igo-no-jikan 2004.04.18 |
Rating | |
Difficulty | 9.2 kyu |
Average Solve Time | 50 secs |
User Attempts |
2089 / 6453 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;AB[ar]AB[aq]AB[bp]AB[co]AB[do]AB[eo]AB[fo]AB[dp]AB[dq]AB[fp]AB[gq]AB[gr]AB[gs]AB[bn]AW[fs]AW[fr]AW[eq]AW[ep]AW[dr]AW[cq]AW[cp]AW[bq]AW[br]AW[bs]C[black to kill.]AP[goproblems]
(;B[cs];W[ds]
(;B[er];W[es]
(;B[fq]C[RIGHT])
(;B[as];W[ap]))
(;B[ap];W[fq])
(;B[fq];W[er])
(;B[as];W[ap]))
(;B[er];W[es]
(;B[cs];W[fq])
(;B[fq];W[cs];B[er];W[eq]))
(;B[ds];W[cs]
(;B[fq];W[er])
(;B[es];W[er])
(;B[er];W[es]))
(;B[es];W[ds];B[fq];W[er])
(;B[cr];W[cs]
(;B[fq];W[er])
(;B[er];W[es])
(;B[es];W[er]))
(;B[fq];W[er]
(;B[cs];W[ds])
(;B[ds];W[cs]))
(;B[ap];W[fq]
(;B[ds];W[cs])
(;B[es];W[er])
(;B[cs];W[ds])
(;B[as];W[ds]))
(;B[as];W[ap]))
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