invalid problem set
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life and death
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Problem | 5073 |
Created | 2004-09-20 |
Name | chinese - 81 |
Source | |
Rating | |
Difficulty | 5 kyu |
Average Solve Time | 39 secs |
User Attempts |
1298 / 4714 |
Solve Ratio Rating | 3 kyu |
| rating history |
(;SZ[19]AW[pl]AW[ql]AW[rl]AW[pm]AW[sm]AW[pn]AW[rn]AW[po]AW[pq]AW[or]AW[qr]AW[rs]AB[qm]AB[rm]AB[qn]AB[qo]AB[qp]AB[qq]AB[rr]AB[sr]C[Black to live]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[6.50]
(;B[sn];W[so]
(;B[sp]
(;W[rp]C[CHOICE]
(;B[ro];W[sq]
(;B[rq]C[RIGHT])
(;B[sn]C[RIGHT])
(;B[sl]C[RIGHT])
(;B[pp];W[op]
(;B[rq];W[ss])
(;B[sn]C[Ko])))
(;B[rq];W[sq]
(;B[ro]C[RIGHT])
(;B[sl];W[ro]
(;B[sn]C[Alive in double ko.RIGHT])
(;B[sp]C[Alive in double koRIGHT]))
(;B[pp];W[op]
(;B[sp]C[Ko])
(;B[ro];W[ss])
(;B[sl];W[sn]
(;B[sp]C[Ko])
(;B[ro];W[ss]))))
(;B[sq];W[sn])
(;B[sl];W[rq]C[Ko]))
(;W[sn]C[CHOICE]
(;B[ro];W[sl];B[rq]C[RIGHT])
(;B[rq];W[ro])
(;B[sl];W[sk]
(;B[ro];W[sl];B[rq]C[RIGHT])
(;B[rq];W[ro]))))
(;B[ro];W[sp]C[ko])
(;B[sl];W[sp]
(;B[sn]C[Ko])
(;B[ro];W[sn])
(;B[rp];W[sk])
(;B[sq];W[sk])))
(;B[ro];W[sn];B[so];W[sl])
(;B[sp];W[sn]
(;B[ro];W[rq])
(;B[rq];W[ro]))
(;B[so];W[sn]C[Just one eye.]))
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