invalid problem set
Problem | 3153 |
Created | 2003-10-25 |
Source | |
Rating | |
Difficulty | 20.3 kyu |
Average Solve Time | 29 secs |
User Attempts |
9851 / 19260 |
Solve Ratio Rating | 10 kyu |
| rating history |
Black to kill
(;AB[cs][bs][ar][bq][bp][cp][dp][ip][hp][gp][fp][ep][iq][ir][is][eq]AW[br][cr][cq][dr][dq][er][fq][gq][hq][hr][hs][gs][fs]C[Black to kill white
]SZ[19]
(;B[fr];W[gr]
(;B[ds]C[RIGHT White cannot atari at e1,])
(;B[as];W[ds]C[White lives])
(;B[aq];W[ds]C[White lives])
(;B[es];W[ds]C[White lives]))
(;B[ds];W[es]
(;B[aq];W[as];B[bs];W[cs]C[White lives])
(;B[as];W[aq]C[White lives]))
(;B[es]C[
];W[ds]C[White lives])
(;B[as];W[ds]C[White lives])
(;B[aq];W[ds]C[White lives]))
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