invalid problem set
Problem | 14553 |
Created | 2011-02-12 |
Source | Teacher |
Rating | |
Difficulty | 1.4 dan |
Average Solve Time | 63 secs |
User Attempts |
282 / 905 |
Solve Ratio Rating | 4 kyu |
| rating history |
I got this problem from my teacher. I think it's pretty cool. Hopefully I haven't missed or messed up anything. If so, please comment. Enjoy!
(;AB[rr]AB[rq]AB[rp]AB[oq]AB[or]AB[pp]AB[qp]AB[mq]AB[mr]AB[ms]AB[lp]AB[kq]AW[mp]AW[nq]AW[nr]AW[ns]AW[op]AW[po]AW[qo]AW[mo]AW[ro]AW[qr]AW[ql]C[White to kill unconditionally]AP[goproblems]
(;W[np];B[ps]
(;W[pr]
(;B[pq]C[CHOICE];W[os];B[qq]
(;W[qs];B[rs]
(;W[ps];B[sp]
(;W[sr]C[RIGHT])
(;W[so];B[sr]))
(;W[sp];B[ps]))
(;W[sp];B[qs])
(;W[rs];B[qs]))
(;B[qs];W[os]C[RIGHT]))
(;W[qs];B[pq];W[os];B[pr]
(;W[sp];B[rs])
(;W[rs];B[sp];W[sr];B[qq];W[so];B[ss];W[rs];B[qs]))
(;W[pq];B[pr])
(;W[os];B[pr];W[qs];B[pq]
(;W[sp];B[rs])
(;W[rs];B[sp];W[sr];B[qq];W[so];B[ss];W[rs];B[qs]))
(;W[sp];B[pr]
(;W[qq];B[sq])
(;W[qs];B[qq])
(;W[sq];B[qq]))
(;W[rs];B[pr]))
(;W[pq];B[pr]
(;W[ps];B[qq];W[qs];B[rs])
(;W[qs];B[qq]
(;W[os];B[rs])
(;W[ps];B[rs]))
(;W[os];B[qq]
(;W[qs];B[rs])
(;W[ps];B[qs])))
(;W[pr];B[os]
(;W[np];B[pq]
(;W[sp];B[qs])
(;W[rs];B[sp];W[sr];B[ps]))
(;W[pq];B[np]C[Oops]))
(;W[os];B[ps]
(;W[np];B[pr];W[qs];B[pq])
(;W[pr];B[np]C[Oops])
(;W[pq];B[np]C[Oops]))
(;W[ps];B[os]
(;W[pq];B[np]C[Oops])
(;W[np];B[pq]
(;W[rs];B[sp];W[sr]C[Black lives in seki (and can make a ko for life)])
(;W[sp];B[rs])))
(;W[qs];B[os]
(;W[np];B[pq];W[rs];B[sp];W[sr]C[Seki])
(;W[pq];B[np]C[Oops]))
(;W[rs];B[ps]
(;W[qs];B[pr])
(;W[pq];B[pr]))
(;W[sp];B[os]
(;W[np];B[qs];W[pr];B[ps])
(;W[pq];B[np]C[Oops])))
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