invalid problem set
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life and death
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+4
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Problem | 5027 |
Created | 2004-09-17 |
Source | book |
Rating | |
Difficulty | 3.7 kyu |
Average Solve Time | 56 secs |
User Attempts |
914 / 3607 |
Solve Ratio Rating | 3 kyu |
| rating history |
Black to save his stones
(;SZ[19]AW[bb]AW[fb]AW[bc]AW[fc]AW[gc]AW[bd]AW[cd]AW[gd]AW[ae]AW[be]AW[ce]AW[ge]AW[ff]AW[bh]AW[ch]AW[eh]AB[gb]AB[hb]AB[cc]AB[dc]AB[hc]AB[ad]AB[dd]AB[hd]AB[de]AB[af]AB[bf]AB[cf]AB[df]C[Black to save his stones]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.50]PW[white]PB[black]
(;B[ba];W[cb];B[db];W[ca]
(;B[ab];W[fa];B[da]C[RIGHT];W[aa]C[koRIGHT])
(;B[da]
(;W[fa];B[ab];W[aa]C[koRIGHT])
(;W[aa];B[fa]C[RIGHT])))
(;B[cb];W[ba])
(;B[ab];W[ac]
(;B[ba];W[aa]
(;B[cb];W[ca]
(;B[da];W[ba];B[fa];W[eb])
(;B[fa];W[ea])
(;B[eb];W[fa])
(;B[ea];W[fa]))
(;B[ca];W[cb]
(;B[da];W[db])
(;B[db];W[da]))
(;B[fa];W[eb])
(;B[eb];W[fa])
(;B[da];W[ca]
(;B[fa];W[eb])
(;B[cb];W[ba];B[fa];W[eb])))
(;B[eb];W[fa])
(;B[fa];W[eb])
(;B[cb];W[ba])
(;B[da];W[ba];B[fa];W[eb];B[ea];W[db])
(;B[ca];W[ba];B[fa];W[ea])
(;B[ea];W[fa];B[ba];W[ca]))
(;B[ca];W[ba])
(;B[da];W[ba];B[fa];W[eb];B[ea];W[db])
(;B[fa];W[eb])
(;B[eb];W[fa];B[ba];W[cb];B[db];W[ca];B[ab];W[ac]))
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