invalid problem set
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life and death
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Problem | 5109 |
Created | 2004-09-23 |
Name | chinese - 131 |
Source | |
Rating | |
Difficulty | 0.8 kyu |
Average Solve Time | 67 secs |
User Attempts |
812 / 3551 |
Solve Ratio Rating | 2 kyu |
| rating history |
(;AW[pq]AW[qq]AW[rq]AW[nr]AW[qr]AW[sr]AW[qs]AB[lp]AB[np]AB[op]AB[pp]AB[qp]AB[rp]AB[sp]AB[lq]AB[sq]AB[lr]AB[rr]AB[rs]C[Black to play and kill]
(;B[or];W[oq]
(;B[os]
(;W[ns]C[CHOICE];B[nq]C[RIGHT])
(;W[nq]C[CHOICE];B[ns]C[RIGHT]))
(;B[ns];W[ms]
(;B[ps];W[os])
(;B[mr];W[os])
(;B[nq];W[os];B[mr];W[pr]))
(;B[nq];W[os];B[mr];W[pr]))
(;B[nq];W[or];B[ns];W[os])
(;B[oq];W[or];B[ns];W[os])
(;B[ps];W[or];B[oq];W[pr];B[ns];W[os])
(;B[ss];W[sr]
(;B[rs];W[or])
(;B[or];W[oq];B[ns];W[ms]
(;B[mr];W[os])
(;B[nq];W[os])))
(;B[pr];W[or];B[ps];W[os])
(;B[os];W[or])
(;B[ns];W[or];B[os];W[ms];B[mr];W[ps]))
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