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life and death
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Problem | 5914 |
Created | 2005-02-08 |
Name | chinese - 535 |
Source | |
Rating | |
Difficulty | 3.9 kyu |
Average Solve Time | 52 secs |
User Attempts |
936 / 3722 |
Solve Ratio Rating | 3 kyu |
| rating history |
(;C[Black to play]AW[pq]AW[qq]AW[ro]AW[or]AW[nr]AW[nq]AW[np]AW[qk]AB[oq]AB[op]AB[pp]AB[qp]AB[pr]AB[qn]AB[qm]AB[on]AP[goproblems]
(;B[qr];W[rq]
(;B[rr];W[rp]
(;B[sr];W[rn]
(;B[rm];W[ps]
(;B[sn];W[qs]
(;B[qo];W[rs]
(;B[so];W[os]
(;B[sq]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sq];W[os]
(;B[so]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[os]
(;B[so]C[RIGHT])
(;B[sq]C[RIGHT])))
(;B[sq];W[rs]
(;B[so];W[os]
(;B[qo]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[os]
(;B[so]C[RIGHT])
(;B[qo]C[RIGHT]))
(;B[qo];W[os]
(;B[so]C[RIGHT])
(;B[sp]C[RIGHT])))
(;B[so];W[rs]
(;B[sq];W[os]
(;B[qo]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[os]
(;B[qo]C[RIGHT])
(;B[sq]C[RIGHT]))
(;B[qo];W[os]
(;B[sq]C[RIGHT])
(;B[sp]C[RIGHT])))
(;B[sp];W[rs]
(;B[sq];W[os]
(;B[so]C[RIGHT])
(;B[qo]C[RIGHT]))
(;B[so];W[os]
(;B[qo]C[RIGHT])
(;B[sq]C[RIGHT]))
(;B[qo];W[os]
(;B[so]C[RIGHT])
(;B[sq]C[RIGHT]))))
(;B[qo];W[qs]
(;B[sn];W[rs]
(;B[so];W[os]
(;B[sq]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sq];W[os]
(;B[so]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[os]
(;B[so]C[RIGHT])
(;B[sq]C[RIGHT])))
(;B[sq];W[rs]
(;B[sn];W[os]
(;B[so]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[os]
(;B[sn]C[RIGHT])
(;B[so]C[RIGHT]))
(;B[so];W[sn];B[sm];W[sp];B[so]C[RIGHT]))
(;B[sp];W[sq];B[sn];W[so];B[sp]C[RIGHT])
(;B[so];W[sn]
(;B[sp];W[sq];B[sm];W[rs])
(;B[sm];W[sp];B[sq];W[rs];B[so]C[RIGHT])
(;B[sq];W[rs];B[sm];W[sp];B[so]C[RIGHT])))
(;B[sq];W[qs]
(;B[sp];W[rs]
(;B[sn];W[os]
(;B[so]C[RIGHT])
(;B[qo]C[RIGHT]))
(;B[so];W[sn])
(;B[qo];W[os]
(;B[sn]C[RIGHT])
(;B[so]C[RIGHT])))
(;B[sn];W[rs]
(;B[so];W[os]
(;B[qo]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[os]
(;B[so]C[RIGHT])
(;B[qo]C[RIGHT]))
(;B[qo]))
(;B[qo];W[rs]
(;B[sn])
(;B[sp];W[os]
(;B[sn]C[RIGHT])
(;B[so]C[RIGHT]))
(;B[so];W[sn];B[sm];W[sp];B[so]C[RIGHT]))
(;B[so];W[rs]
(;B[sn];W[os]
(;B[qo]C[RIGHT])
(;B[sp]C[RIGHT]))
(;B[sp];W[sn])
(;B[qo];W[sn];B[sm];W[sp];B[so]C[RIGHT])))
(;B[sp];W[qs]
(;B[sq];W[rs]
(;B[sn])
(;B[so];W[sn])
(;B[qo]))
(;B[sn];W[rs]
(;B[sq];W[os])
(;B[so])
(;B[qo]))
(;B[qo];W[sq];B[sn];W[so];B[sp]C[RIGHT])
(;B[so];W[sn]
(;B[sq];W[rs])
(;B[sm];W[sq]
(;B[qo];W[rs])
(;B[sp];W[rs])
(;B[so];W[rs]))))
(;B[so];W[qs]
(;B[sp];W[sn]
(;B[sq];W[rs])
(;B[sm];W[sq]
(;B[qo])
(;B[sp];W[rs])
(;B[so];W[rs])))
(;B[sq];W[rs]
(;B[sn])
(;B[sp])
(;B[qo]))
(;B[sn];W[rs]
(;B[sq])
(;B[sp];W[os]
(;B[qo]C[RIGHT])
(;B[sq]C[RIGHT]))
(;B[qo]))
(;B[qo];W[sn]
(;B[sp];W[sq];B[sm];W[rs])
(;B[sm];W[sp];B[sq];W[rs])
(;B[sq];W[rs];B[sm];W[sp];B[so]C[RIGHT]))))
(;B[ps];W[rm]))
(;B[ps];W[sq]
(;B[sr];W[rs];B[rn];W[os];B[qo];W[qs])
(;B[rs];W[sr];B[rn];W[ss]
(;B[qo];W[os])
(;B[so];W[os]))
(;B[rn];W[sr]
(;B[so];W[rs];B[qo];W[os])
(;B[rs];W[ss]
(;B[qo];W[os])
(;B[so];W[os]))))
(;B[rs];W[ps];B[sr];W[sq];B[rn];W[os];B[qo];W[qs])
(;B[rn];W[sr]
(;B[qo];W[rs];B[so];W[ps])
(;B[so];W[rs];B[sq];W[sp]
(;B[qo];W[sn])
(;B[sn];W[ps]))))
(;B[rp];W[rr]))
(;B[rq];W[qr]
(;B[rr];W[ps]
(;B[rp]TR[pq]TR[qq]C[White escapes in sente.])
(;B[rs];W[rp]
(;B[rn]TR[pq]TR[qq]C[White saved the stones in sente.])
(;B[qs];W[pr]C[Black dies!])
(;B[qo]TR[qq]TR[pq]C[White saved the stones in sente.]))
(;B[qo]C[White saved the stones in sente.]TR[pq]TR[qq]))
(;B[qs];W[rr]C[No way to catch them.])
(;B[rp]TR[pq]TR[qq]C[White got the stones and sente.])))
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