invalid problem set
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Problem | 9302 |
Created | 2006-10-20 |
Name | false boot 7 eye in corner |
Source | game i played |
Rating | |
Difficulty | 10.7 kyu |
Average Solve Time | 49 secs |
User Attempts |
1680 / 5059 |
Solve Ratio Rating | 5 kyu |
| rating history |
hint: black has a false two stones
(;AB[qs]AB[qr]AB[pq]AB[pp]AB[qp]AB[rp]AB[sp]AW[pr]AW[ps]AW[or]AW[oq]AW[op]AW[oo]AW[po]AW[qo]AW[ro]AW[so]AP[goproblems]
(;W[qq];B[rq]C[what was that?])
(;W[ss];B[rr]
(;W[sr])
(;W[rs];B[sr]C[no comment...])
(;W[sq];B[sr];W[rq];B[qq]))
(;W[rs];B[rr]
(;W[ss];B[sr]C[no comment...])
(;W[sr];B[ss];W[sq];B[rq]))
(;W[sr];B[rq]
(;W[rr];B[rs]C[Seki.])
(;W[rs];B[rr])
(;W[sq];B[rr]))
(;W[sq];B[rq]
(;W[sr];B[rr])
(;W[rr];B[sr]
(;W[rs];B[ss])
(;W[ss];B[rs]))
(;W[rs];B[sr]
(;W[rr];B[ss])
(;W[ss];B[rr]))
(;W[ss];B[sr]
(;W[rr];B[rs])
(;W[rs];B[rr])))
(;W[rq]
(;B[rr]
(;W[qq])
(;W[sq];B[qq]
(;W[sr];B[ss])
(;W[ss];B[sr]))
(;W[sr];B[qq]
(;W[rs];B[ss]C[Ko, Black takes first. Almost right.])
(;W[sq];B[ss]))
(;W[ss];B[sr]
(;W[sq];B[qq])
(;W[qq];B[sq]
(;W[qq];B[rq])
(;W[rq];B[qq]))))
(;B[sr]
(;W[sq];B[qq])
(;W[rr];B[rs]
(;W[qq];B[sq]
(;W[qq];B[rq])
(;W[rr];B[rq])
(;W[rq];B[qq]))
(;W[sq];B[qq]))
(;W[qq];B[sq])
(;W[rs];B[rr])
(;W[ss];B[rr]
(;W[sq])
(;W[qq];B[sq]
(;W[qq];B[rq])
(;W[rq];B[qq])))))
(;W[rr];B[rs]
(;W[sr];B[rq]C[Sente seki is not enough.])
(;W[rq];B[sr]
(;W[qq];B[sq]
(;W[qq];B[rq])
(;W[rr];B[rq])
(;W[rq];B[qq]))
(;W[sq];B[qq]))
(;W[ss];B[sr]
(;W[qq];B[rq])
(;W[rq];B[sq])
(;W[sq];B[rq]))
(;W[sq];B[sr]LB[ss:Ko?]C[]
(;W[rq];B[qq])
(;W[qq];B[rq])
(;W[ss]C[Ko, White takes first; the best you can get here.RIGHT]))
(;W[qq];B[rq]
(;W[sq])
(;W[sr]C[seki])
(;W[ss]))))
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