invalid problem set
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life and death
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Problem | 5264 |
Created | 2004-10-16 |
Name | chinese - 250 |
Source | chinese book |
Rating | |
Difficulty | 15 kyu |
Average Solve Time | 44 secs |
User Attempts |
3819 / 10278 |
Solve Ratio Rating | 6 kyu |
| rating history |
(;AB[pr]AB[or]AB[pq]AB[pp]AW[qo]AW[po]AW[pn]AW[pm]AW[on]AB[qm]AB[pl]AB[ol]AB[om]AW[nm]AW[mm]AB[nn]AB[no]AB[oo]AW[op]AW[oq]AW[nq]AW[nr]AW[mp]AB[mq]C[Black to play and win]AP[goproblems]
(;B[ro]
(;W[qp]C[CHOICE]
(;B[rp];W[qq]
(;B[qr];W[rq]
(;B[rr];W[sq]
(;B[sr]C[RIGHT])
(;B[qn];W[sp]
(;B[so]C[RIGHT])
(;B[sr]C[RIGHT]))
(;B[sp];W[rn]))
(;B[sq];W[rr]
(;B[rs];W[sr];B[qn];W[sp]
(;B[qs];W[rn])
(;B[so];W[rn];B[sq])
(;B[rn];W[mo];B[so];W[mn];B[sq];W[np]))
(;B[qn];W[sr];B[rs];W[sp]
(;B[qs];W[rn])
(;B[so];W[rn];B[sq])
(;B[rn];W[mo];B[so];W[mn];B[sq];W[np])))
(;B[qn];W[rr];B[rs]C[RIGHT]))
(;B[rq];W[qr]
(;B[rr];W[ps])
(;B[qs];W[os]))
(;B[rr];W[mo])
(;B[qn];W[qr];B[rq];W[ps]))
(;B[qn];W[rp]
(;B[rn];W[mo])
(;B[rq];W[rn];B[qq];W[so];B[sq];W[sp];B[rm];W[mo];B[sm];W[mn]))
(;B[rq];W[mo])
(;B[qq];W[rp]
(;B[rn];W[mo])
(;B[rq];W[rn];B[sp];W[so];B[sq];W[qn];B[rm];W[mo];B[sm];W[mn])))
(;W[rn]C[]
(;B[qn];W[qp];B[rp];W[qq]
(;B[qr];W[rq]
(;B[rr];W[sq];B[sr]C[RIGHT])
(;B[sq];W[rr];B[rs]C[RIGHT]))
(;B[rr]C[RIGHT])
(;B[rq];W[qr];B[rr]C[RIGHT]))
(;B[qp];W[qn]
(;B[rm]C[RIGHT])
(;B[sn];W[rm];B[rl];W[ql];B[sm]C[RIGHT]))
(;B[rp];W[rm]
(;B[ql];W[qn]
(;B[rl];W[mo])
(;B[qp];W[mo]))
(;B[qp];W[qn];B[ql];W[mo]))
(;B[rm];W[rp]
(;B[qp];W[so];B[qn];W[ro];B[rq];W[mo];B[sm];W[mn])
(;B[so];W[sp];B[qn];W[sn];B[ro];W[qp];B[qq];W[mo];B[rq];W[mn])))
(;W[qn]))
(;B[qp];W[ro];B[rp];W[mo])
(;B[qn];W[ro]
(;B[rp];W[mo])
(;B[qp];W[mo])
(;B[so];W[mo])
(;B[rn];W[mo]))
(;B[rp];W[mo])
(;B[rn];W[mo])
(;B[mr];W[ns]
(;B[np];W[mo])
(;B[ms];W[np])))
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