invalid problem set
Problem | 6696 |
Created | 2005-06-13 |
Source | chinese go book |
Rating | |
Difficulty | 4.1 dan |
Average Solve Time | 46 secs |
User Attempts |
285 / 1840 |
Solve Ratio Rating | 1 dan |
| rating history |
(;AB[rq]AB[rr]AB[qq]AB[or]AB[nr]AW[mr]AW[mq]AW[np]AW[oq]AW[pp]AW[qp]AW[rp]AW[sp]AP[goproblems]
(;W[pq];B[pr]
(;W[sr];B[rs]
(;W[ns];B[sq])
(;W[sq];B[qs]))
(;W[sq];B[sr]
(;W[qs];B[rs])
(;W[ns];B[os];W[qs];B[rs]))
(;W[ns];B[qs]
(;W[sq];B[sr])
(;W[sr];B[sq])
(;W[os];B[sq]))
(;W[os];B[qs])
(;W[ps];B[qs];W[sr];B[sq])
(;W[qs];B[rs]
(;W[ns];B[sq];W[os];B[ps])
(;W[sq];B[sr]))
(;W[rs];B[sq]
(;W[qs];B[ps]
(;W[ns];B[ss];W[sr];B[qr])
(;W[sr];B[qr])
(;W[ss];B[ns])
(;W[qr];B[ss]))
(;W[sr];B[qr]
(;W[ss];B[qs])
(;W[ns];B[qs])
(;W[qs];B[ps])
(;W[os];B[qs]))
(;W[ss];B[qs])
(;W[ps];B[os]
(;W[qr];B[qs])
(;W[qs];B[ss];W[sr];B[qr])
(;W[sr];B[qr];W[nq];B[qs])
(;W[ss];B[qs])))
(;W[ss];B[rs]))
(;W[sq];B[pr]
(;W[qs];B[sr]
(;W[ns];B[rs])
(;W[pq];B[rs])
(;W[rs];B[ns]
(;W[pq];B[qr])
(;W[qr];B[pq])))
(;W[rs];B[sr]
(;W[qs];B[ns]
(;W[pq];B[qr])
(;W[qr];B[pq]))
(;W[pq];B[qs])
(;W[ps];B[ns])
(;W[ns];B[qs]))
(;W[sr];B[qs]
(;W[rs];B[pq])
(;W[pq];B[rs])
(;W[ns];B[os]
(;W[pq];B[rs])
(;W[rs];B[pq])))
(;W[ss];B[sr]
(;W[qs];B[rs])
(;W[pq];B[qs]))
(;W[ns];B[qs]
(;W[sr];B[os]
(;W[pq];B[rs])
(;W[rs];B[pq]))
(;W[os];B[sr]))
(;W[ps];B[qs]
(;W[sr];B[rs])
(;W[pq];B[sr])))
(;W[sr];B[pr]
(;W[rs];B[sq]
(;W[pq];B[qr]
(;W[ns];B[qs])
(;W[ss];B[qs])
(;W[qs];B[ps]))
(;W[qs];B[ps];W[pq];B[qr])
(;W[ns];B[qs])
(;W[ps];B[os];W[pq];B[qr];W[nq];B[qs])
(;W[os];B[qs];W[pq];B[ss]))
(;W[sq];B[qs]
(;W[pq];B[rs])
(;W[rs];B[pq]))
(;W[ss];B[sq]
(;W[pq];B[qs])
(;W[qs];B[rs]))
(;W[qs];B[sq];W[rs];B[ps]
(;W[pq];B[qr])
(;W[ns];B[qr]))
(;W[ns];B[qs]
(;W[sq];B[os]
(;W[rs];B[pq])
(;W[pq];B[rs]))
(;W[pq];B[sq])))
(;W[ss];B[pr])
(;W[pr];B[pq]
(;W[ps]
(;B[sq]C[CHOICE]
(;W[ns];B[qs]
(;W[qr];B[os])
(;W[nq];B[ss]))
(;W[rs];B[ss]
(;W[qs];B[os];W[sr]C[ko, buy why did you play r1? that wasted a threat.RIGHT])
(;W[sr]C[ko, goodRIGHT])
(;W[ns];B[qs])
(;W[os];B[qs])
(;W[nq];B[qs])
(;W[qr];B[qs]C[ko, b takes first. not best.]))
(;W[qr];B[os])
(;W[qs];B[rs]
(;W[ns];B[qr])
(;W[sr];B[os])
(;W[ss];B[os]))
(;W[ss];B[qs]
(;W[ns];B[qr])
(;W[os];B[ns])
(;W[qr];B[os])
(;W[rs];B[sr]
(;W[rs];B[os])
(;W[ss];B[os])
(;W[ns];B[qr]
(;W[rs];B[os])
(;W[ss];B[os]))
(;W[os];B[ns]))
(;W[sr];B[os]))
(;W[sr];B[qs]
(;W[ns];B[ss])
(;W[ss];B[os])
(;W[qr];B[os])
(;W[os];B[ns]))
(;W[os];B[qs]
(;W[ss];B[ns])
(;W[ns];B[ss]))
(;W[ms];B[qs]
(;W[ss];B[os])
(;W[rs];B[ss])
(;W[sr];B[ss])
(;W[os];B[ss])
(;W[ns];B[ss])))
(;B[qs]C[CHOICE]
(;W[rs];B[ss]C[CHOICE]
(;W[sq];B[sr]
(;W[ns]C[Yes. however, B r1 was a mistake. if he'd played t3 it would have been ko.RIGHT])
(;W[os];B[ns])
(;W[nq]C[Yes. however, B r1 was a mistake. if he'd played t3 it would have been ko.RIGHT]))
(;W[sr];B[sq])
(;W[ns];B[sq]))
(;W[sq];B[sr]
(;W[rs];B[os])
(;W[ns];B[qr])
(;W[os];B[qr]))
(;W[sr];B[sq]
(;W[ns];B[ss])
(;W[ss];B[os]))))
(;W[sq];B[ps]
(;W[ns];B[qr])
(;W[qs];B[qr])
(;W[rs];B[qr]
(;W[ns];B[sr])
(;W[sr];B[ns]))
(;W[sr];B[ns];W[rs];B[qr]))
(;W[sr];B[ps]
(;W[rs];B[qr]
(;W[ns];B[sq])
(;W[sq];B[ns]))
(;W[sq];B[ns];W[rs];B[qr])
(;W[ns];B[qr];W[rs];B[sq]))
(;W[qr];B[ps]
(;W[sq];B[qs])
(;W[qs];B[rs])
(;W[sr];B[qs])
(;W[ns];B[qs]))
(;W[qs];B[rs]
(;W[sq];B[qr]
(;W[ns];B[ps])
(;W[ps];B[os]
(;W[sr];B[ps])
(;W[ps];B[sr])))
(;W[os];B[qr]
(;W[ns];B[ps])
(;W[ps];B[ns];W[ps];B[sq]))
(;W[ns];B[qr];W[ps];B[os])
(;W[sr];B[qr]))
(;W[rs];B[ps]
(;W[sr];B[qr];W[sq];B[ns])
(;W[sq];B[qr]
(;W[ns];B[sr])
(;W[sr];B[ns]))
(;W[ns];B[qr];W[sr];B[sq]))
(;W[ns];B[ps]
(;W[sq];B[sr])
(;W[sr];B[sq]
(;W[rs];B[qr])
(;W[qs];B[qr]))
(;W[rs];B[sq]
(;W[sr];B[qr])
(;W[ss];B[qr])))
(;W[os];B[qr]
(;W[ns];B[ps]
(;W[ms];B[rs])
(;W[rs];B[ms])
(;W[sq];B[ms]))
(;W[ps];B[qs])
(;W[qs];B[rs]
(;W[ns];B[ps])
(;W[ps];B[ns];W[ps];B[sq]))
(;W[sr];B[ps];W[ns];B[ms];W[ns];B[sq])
(;W[sq];B[ps])))
(;W[ps];B[pr]
(;W[sq];B[qs]
(;W[sr];B[rs])
(;W[pq];B[sr]))
(;W[pq];B[qs];W[sr];B[sq])
(;W[qs];B[rs];W[sq];B[sr])
(;W[ns];B[os]
(;W[qs];B[rs])
(;W[sq];B[sr]
(;W[rs];B[qs])
(;W[qs];B[rs])))
(;W[sr];B[qs]
(;W[pq];B[sq])
(;W[sq];B[pq];W[rs];B[os])))
(;W[qr];B[qs]
(;W[pr];B[pq]
(;W[sr];B[ps])
(;W[sq];B[sr]))
(;W[pq];B[pr])
(;W[sq];B[pr])
(;W[sr];B[pr]))
(;W[qs];B[pr]
(;W[sq];B[sr]
(;W[rs];B[ns]
(;W[pq];B[qr])
(;W[qr];B[pq]))
(;W[ns];B[rs]))
(;W[ns];B[rs])
(;W[rs];B[sq]
(;W[ss];B[ns])
(;W[ns];B[ss]
(;W[sr];B[ps];W[pq];B[qr])
(;W[os];B[ps];W[sr];B[qr]))
(;W[pq];B[ps]
(;W[sr];B[qr])
(;W[ss];B[ns])
(;W[ns];B[ss];W[sr];B[qr]))
(;W[ps];B[ns]
(;W[sr];B[qr]
(;W[ms];B[os])
(;W[pq];B[os]))
(;W[qr];B[pq]
(;W[ms];B[os])
(;W[nq];B[os]))))
(;W[sr];B[sq];W[rs];B[ps];W[pq];B[qr]))
(;W[rs];B[pr]
(;W[sr];B[sq]
(;W[qs];B[ps]
(;W[ns];B[qr])
(;W[pq];B[qr]))
(;W[ns];B[qs])
(;W[pq];B[qr]
(;W[ss];B[qs])
(;W[ns];B[qs])
(;W[qs];B[ps])))
(;W[qs];B[ns]
(;W[sr];B[sq];W[pq];B[qr]
(;W[ms];B[ps])
(;W[ps];B[os]))
(;W[sq];B[sr]
(;W[pq];B[ps])
(;W[ps];B[pq]))
(;W[pq];B[qr]
(;W[sq];B[sr])
(;W[sr];B[sq]
(;W[ms];B[ps])
(;W[ps];B[os]))
(;W[ps];B[sq];W[sr];B[os]))
(;W[ps];B[sq]
(;W[pq];B[qr];W[sr];B[os])
(;W[sr];B[qr]
(;W[ms];B[os])
(;W[pq];B[os])))
(;W[qr];B[pq]
(;W[ps];B[sq]
(;W[sr];B[os])
(;W[ms];B[os]))
(;W[sq];B[ps])
(;W[sr];B[ps];W[sq];B[ss];W[rs];B[qs])))
(;W[ns];B[qs]
(;W[sr];B[sq])
(;W[os];B[ss]))
(;W[sq];B[qs]
(;W[sr];B[pq])
(;W[pq];B[sr])))
(;W[os];B[pr]
(;W[ns];B[qs])
(;W[sq];B[qs]))
(;W[ns];B[pr]
(;W[qs];B[rs])
(;W[rs];B[qs]
(;W[sr];B[sq])
(;W[sq];B[sr]))
(;W[os];B[qs])))
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