invalid problem set
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life and death
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Problem | 3724 |
Created | 2004-01-10 |
Source | |
Rating | |
Difficulty | 1.2 dan |
Average Solve Time | 61 secs |
User Attempts |
551 / 3208 |
Solve Ratio Rating | 1 dan |
| rating history |
(;SZ[19]AW[rl]AW[qn]AW[rn]AW[qo]AW[qp]AW[oq]AW[pq]AW[mr]AW[or]AB[ro]AB[rp]AB[rq]AB[pr]AB[qr]C[White to play and kill.]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]PL[W]
(;W[sr]
(;B[so]
(;W[sq]
(;B[ps]
(;W[rr]
(;B[rs]
(;W[qq]C[RIGHT])
(;W[sn];B[qq])
(;W[os];B[qq]))
(;B[qq];W[rs]C[RIGHT]))
(;W[rs];B[rr]C[Seki])
(;W[os];B[rs])
(;W[sn];B[rs])
(;W[qq];B[rr];W[rs]C[Seki])
(;W[ss];B[rr];W[rs]C[Seki or ko.]))
(;B[rr];W[ps]
(;B[qs];W[ss]C[
Bent-four in the cornerRIGHT])
(;B[ss];W[qs]C[RIGHT]))
(;B[qq];W[ps]C[RIGHT]))
(;W[rs];B[sq]
(;W[ps];B[qs]
(;W[qq];B[rr])
(;W[rr];B[qq])
(;W[sn];B[rr]))
(;W[qs];B[ps])
(;W[qq];B[rr]
(;W[ps];B[qs])
(;W[qs];B[ps])
(;W[sn];B[qs]))
(;W[rr];B[qs]))
(;W[ps];B[sq]
(;W[qs];B[rs]
(;W[rr];B[qq]
(;W[sn];B[ss])
(;W[ss];B[rs]))
(;W[qq];B[rr]))
(;W[rs];B[qs]
(;W[qq];B[rr])
(;W[rr];B[qq])
(;W[sn];B[rr]))
(;W[rr];B[qq]
(;W[rs];B[qs])
(;W[qs];B[rs];W[ss];B[rs]))
(;W[qq];B[rr])
(;W[sn];B[qs]
(;W[qq];B[rr])
(;W[rr];B[qq])
(;W[rs];B[rr])))
(;W[qq];B[sq]
(;W[ps];B[rr])
(;W[rr];B[rs]
(;W[ps];B[ss];W[rr];B[sr]
(;W[os];B[qs])
(;W[qs];B[os]))
(;W[qs];B[ps];W[os];B[ss])
(;W[sn];B[ss]))
(;W[rs];B[rr]
(;W[ps];B[qs])
(;W[qs];B[ps])
(;W[sn];B[qs]))
(;W[sn];B[rr])
(;W[qs];B[rs]
(;W[rr];B[ps]
(;W[sn];B[ss])
(;W[os];B[ss]))
(;W[ps];B[os])
(;W[ss];B[ps])
(;W[sn];B[ps])))
(;W[sn];B[sq]
(;W[rr];B[qq]
(;W[ps];B[qs])
(;W[qs];B[ps];W[os];B[rs])
(;W[rs];B[qs]))
(;W[qq];B[rr])
(;W[ps];B[qs]
(;W[qq];B[rr])
(;W[rr];B[qq])
(;W[rs];B[rr]))
(;W[rs];B[rr]
(;W[qs];B[ps])
(;W[ps];B[qs]))
(;W[qs];B[ps]
(;W[qq];B[rr])
(;W[rr];B[qq];W[os];B[rs])
(;W[os];B[rr])))
(;W[rr];B[sq]
(;W[sn];B[qq]
(;W[ps];B[rs]
(;W[os];B[qs])
(;W[qs];B[os]))
(;W[rs];B[qs])
(;W[qs];B[ps];W[os];B[rs]))
(;W[qq];B[rs]
(;W[ps];B[ss]
(;W[rr];B[sr]
(;W[os];B[qs])
(;W[qs];B[os]))
(;W[qs];B[os]))
(;W[sn];B[ss]))
(;W[ps];B[qq]
(;W[sn];B[rs]
(;W[os];B[qs])
(;W[qs];B[os]))
(;W[qs];B[rs]
(;W[ss];B[rs])
(;W[os];B[ss])
(;W[sn];B[os]))
(;W[rs];B[qs])
(;W[os];B[qs]))
(;W[qs];B[ps]
(;W[sn];B[qq];W[os];B[rs])
(;W[qq];B[rs]
(;W[sn];B[ss])
(;W[os];B[ss]))
(;W[os];B[qq];W[sn];B[rs]))
(;W[rs];B[qq]
(;W[ps];B[qs])
(;W[qs];B[ps])
(;W[sn];B[qs])))
(;W[qs];B[ps]
(;W[qq];B[rs])
(;W[os];B[rs])
(;W[sq];B[rs]
(;W[rr];B[qq])
(;W[qq];B[rr]))
(;W[sn];B[rs])
(;W[rr];B[sq]
(;W[sn];B[rs]
(;W[qq];B[ss])
(;W[os];B[qq]))
(;W[qq];B[rs]
(;W[sn];B[ss])
(;W[os];B[ss]))
(;W[os];B[qq];W[sn];B[rs]))
(;W[rs];B[sq])))
(;B[ps];W[rs]
(;B[so];W[rr]
(;B[qq];W[sq]C[RIGHT])
(;B[sq];W[qq]C[RIGHT]))
(;B[qq];W[so];B[sp];W[rr]C[RIGHT]))
(;B[rs];W[ps];B[so];W[sq]C[RIGHT]))
(;W[so];B[rs]
(;W[sp];B[sr])
(;W[sq];B[sr]
(;W[qq];B[sp])
(;W[sp];B[qq]))
(;W[qq];B[sr])
(;W[sr];B[ps]
(;W[sp];B[sq]
(;W[qq];B[sn])
(;W[sn];B[qq]))
(;W[sq];B[sp]
(;W[rr];B[ss])
(;W[qq];B[rr]))
(;W[qq];B[rr])
(;W[os];B[qq])
(;W[rr];B[qq]))
(;W[ps];B[sr]))
(;W[sp];B[so]
(;W[sr];B[sq]
(;W[sn];B[rr])
(;W[qq];B[rr])
(;W[ps];B[rr])
(;W[rr];B[qq]
(;W[ps];B[rs])
(;W[qs];B[ps])
(;W[sn];B[rs]))
(;W[rs];B[rr]))
(;W[qq];B[sq]
(;W[ps];B[rs])
(;W[sn];B[ps])
(;W[rr];B[rs])
(;W[qs];B[rs])
(;W[sr];B[rr]))
(;W[sn];B[sq]
(;W[qq];B[rr])
(;W[ps];B[qs])
(;W[rr];B[rs]))
(;W[ps];B[qs]
(;W[qq];B[rr])
(;W[sr];B[sq])
(;W[rr];B[sr]
(;W[sn];B[qq])
(;W[qq];B[rs]))
(;W[sn];B[sq]))
(;W[sq];B[sr])
(;W[rr];B[rs]
(;W[sr];B[sq])
(;W[ps];B[sr]))
(;W[qs];B[ps]
(;W[qq];B[rr])
(;W[sn];B[sq])
(;W[os];B[qq];W[rs];B[sr]))
(;W[rs];B[sq]
(;W[ps];B[qs];W[sr];B[rr])
(;W[qq];B[rr])))
(;W[sq];B[sr]
(;W[qq];B[sp])
(;W[so];B[sp])
(;W[rs];B[sp])
(;W[ps];B[rs]))
(;W[qq];B[rs]
(;W[so];B[sr])
(;W[sp];B[so])
(;W[sq];B[sr])
(;W[sr];B[ps]
(;W[so];B[sq])
(;W[sp];B[so];W[rr];B[sq]
(;W[sn];B[ss])
(;W[os];B[ss]))
(;W[sq];B[sp];W[rr];B[ss])
(;W[rr];B[sq]
(;W[so];B[ss])
(;W[os];B[ss]))
(;W[os];B[rr]))
(;W[ps];B[sr]))
(;W[rr];B[rs]
(;W[sr];B[ps]
(;W[so];B[sq];W[qq];B[ss])
(;W[sp];B[qq];W[so];B[sq])
(;W[sq];B[sp])
(;W[qq];B[sq]
(;W[so];B[ss])
(;W[os];B[ss]))
(;W[os];B[qq]
(;W[sq];B[sp])
(;W[so];B[sq])
(;W[sp];B[so])))
(;W[so];B[sr])
(;W[sp];B[sr])
(;W[sq];B[sr])
(;W[ps];B[sr])
(;W[qq];B[sr]))
(;W[ps];B[sr]
(;W[so];B[sp]
(;W[qq];B[qs])
(;W[qs];B[rs])
(;W[rs];B[qs];W[qq];B[rr]))
(;W[sp];B[so]
(;W[rs];B[qs];W[qq];B[rr])
(;W[qs];B[rs]))
(;W[rs];B[qs]
(;W[qq];B[rr])
(;W[so];B[sp];W[qq];B[rr])
(;W[sp];B[so];W[qq];B[rr]))
(;W[qs];B[rs])
(;W[qq];B[rs]))
(;W[qs];B[rs]
(;W[so];B[sr])
(;W[sp];B[so]
(;W[sr];B[sq])
(;W[qq];B[ps])
(;W[sn];B[ps])
(;W[ps];B[os]))
(;W[sq];B[sr])
(;W[sr];B[ps]
(;W[so];B[sp]
(;W[rr];B[qq])
(;W[qq];B[rr])
(;W[os];B[rr]))
(;W[qq];B[sq])
(;W[os];B[rr]))
(;W[qq];B[ps])
(;W[ps];B[os]
(;W[ps];B[sr])
(;W[sr];B[ps])))
(;W[rs];B[sr]
(;W[so];B[sp]
(;W[ps];B[qs]
(;W[qq];B[rr])
(;W[rr];B[ss]))
(;W[qq];B[rr])
(;W[qs];B[ps]
(;W[qq];B[rr])
(;W[rr];B[qq]))
(;W[rr];B[qs];W[qq];B[ss]))
(;W[sp];B[so]
(;W[sn];B[rr])
(;W[qq];B[rr])
(;W[ps];B[qs]
(;W[qq];B[rr])
(;W[rr];B[qq];W[sn];B[ss]))
(;W[rr];B[qs];W[qq];B[ss])
(;W[qs];B[ps]
(;W[qq];B[rr])
(;W[sn];B[rr])
(;W[rr];B[qq])))
(;W[qq];B[rr])
(;W[ps];B[qs]
(;W[so];B[sp]
(;W[qq];B[rr])
(;W[rr];B[ss]))
(;W[sp];B[so]
(;W[qq];B[rr])
(;W[sn];B[rr])
(;W[rr];B[qq];W[sn];B[ss]))
(;W[qq];B[rr])
(;W[rr];B[ss]))
(;W[qs];B[ps]
(;W[so];B[sp]
(;W[qq];B[rr])
(;W[os];B[rr]))
(;W[qq];B[rr])
(;W[os];B[rr]))
(;W[rr];B[qs]
(;W[so];B[sp];W[qq];B[ss])
(;W[sp];B[so];W[qq];B[ss])
(;W[qq];B[ss]))))
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