invalid problem set
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life and death
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Problem | 5148 |
Created | 2004-10-01 |
Name | chinese - 219 |
Source | chinese book |
Rating | |
Difficulty | 0.8 kyu |
Average Solve Time | 40 secs |
User Attempts |
528 / 2840 |
Solve Ratio Rating | 1 kyu |
| rating history |
(;C[Black to win]AW[qn]AW[rn]AW[oo]AW[qo]AW[op]AW[pq]AW[qq]AW[qr]AW[rr]AB[ro]AB[pp]AB[qp]AB[rp]AB[nq]AB[oq]AB[rq]AB[sr]
(;B[ps]
(;W[or]
(;B[rs]
(;W[pr]C[CHOICE];B[nr]C[RIGHT])
(;W[os]C[CHOICE];B[nr]
(;W[sq];B[sp];W[pr];B[ns];W[qs];B[ps]C[RIGHT])
(;W[pr];B[sq];W[qs];B[ss]C[RIGHT])))
(;B[nr];W[sq]
(;B[sp];W[qs]
(;B[os];W[ss]
(;B[pr];W[sq])
(;B[rs]))
(;B[sq]
(;W[po]
(;B[os];W[ss])
(;B[ss];W[os];B[ns];W[pr]))
(;W[os];B[ns];W[pr]
(;B[rs];W[ss])
(;B[ss];W[po]))))
(;B[ss];W[sp]
(;B[so];W[sq]
(;B[os];W[rs];B[pr];W[po];B[qs];W[sn])
(;B[sp];W[rs];B[os];W[sq];B[sr];W[po];B[pr];W[sn]))
(;B[os];W[rs];B[pr];W[so]))
(;B[os];W[ss];B[qs];W[so];B[pr];W[sp])
(;B[rs];W[ss];B[qs];W[pr])))
(;W[rs];B[pr]C[RIGHT]))
(;B[rs];W[sq];B[sp];W[qs]C[ko])
(;B[or];W[sq];B[sp];W[ss];B[rs];W[qs]
(;B[sq];W[po];B[pr];W[ss]C[ko])
(;B[pr];W[ss];B[ps];W[sq]C[ko]))
(;B[pr];W[or];B[rs];W[ps])
(;B[qs];W[ps];B[rs];W[ss];B[rs];W[so];B[or];W[qs];B[os];W[ss]
(;B[pr];W[sq])
(;B[sq];W[po]))
(;B[sq];W[or]
(;B[ps];W[nr]
(;B[mr];W[mq])
(;B[pr];W[mq]))
(;B[rs];W[nr]
(;B[mr];W[mq])
(;B[qs];W[pr];B[mr];W[mq]))
(;B[qs];W[ps];B[rs];W[ss];B[rs];W[so];B[nr];W[po];B[ns];W[sn];B[os];W[sp])))
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