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life and death
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Problem | 17552 |
Created | 2013-12-15 |
Source | KGS |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 78 secs |
User Attempts |
32 / 227 |
Solve Ratio Rating | 2 dan |
| rating history |
Please play marked moves first.
All comments appreciated.
(Ko is not a solution)
(;AB[el]AW[dl]SZ[11]AB[dh]AB[eg]AB[cg]AB[be]AB[cd]AB[de]AW[bc]AW[cc]AW[dc]AW[fc]AW[hi]AW[hh]AW[hg]AB[ff]AB[gf]AB[hf]AB[ee]AW[ji]AW[jg]LB[dj:X]AB[gd]C[FORCE]AB[dd]AW[fb]AB[id]AP[goproblems];W[dj];B[ej]LB[ei:X]C[FORCE];W[ei];B[fj]C[Now you have to find a way to live...]
(;W[di];B[fi]
(;W[bj];B[ci];W[cj];B[eh]
(;W[bh];B[ch];W[bi];B[dk]
(;W[bg];B[ag]
(;W[bf];B[af];W[ah];B[ae]
(;W[aj]C[RIGHT])
(;W[ck];B[aj];W[ak];B[bk]C[ko]))
(;W[ah];B[bf]
(;W[ck];B[aj];W[ak];B[bk])
(;W[aj]C[RIGHT]))
(;W[ck]
(;B[ak]C[CHOICE]
(;W[ah];B[aj];W[bf];B[af];W[ae]C[RIGHT])
(;W[bf];B[af];W[ah];B[ae];W[aj]C[RIGHT]))
(;B[bf]C[CHOICE]
(;W[ah];B[aj];W[ak];B[bk]C[ko])
(;W[ak]C[RIGHT]))))
(;W[ck]
(;B[ak];W[bg];B[ag]
(;W[ah];B[aj];W[bf];B[af];W[ae]C[RIGHT])
(;W[bf];B[af];W[ah];B[ae];W[aj]C[RIGHT]))
(;B[bg]
(;W[ak])
(;W[ah];B[aj];W[ak];B[bk]C[ko]))))
(;W[bi];B[bh];W[ch];B[bg]))
(;W[fh];B[eh]
(;W[bj]
(;B[ci];W[cj];B[gh]
(;W[bh];B[ch];W[bi];B[dk]
(;W[bg];B[ck]
(;W[bf];B[bk];W[ae];B[ad];W[af];B[bd];W[aj])
(;W[bk];B[ag];W[ah];B[aj];W[bf];B[af];W[ae]C[RIGHT]))
(;W[ck]
(;B[ak]C[CHOICE]
(;W[bg];B[ag]
(;W[bf];B[af];W[ah];B[ae];W[aj]C[RIGHT])
(;W[ah];B[aj];W[bf];B[af];W[ae]C[RIGHT]))
(;W[aj];B[ah];W[bg];B[ag];W[af];B[bf];W[ai];B[ag]))
(;B[bg]C[CHOICE]
(;W[ah];B[aj];W[ak];B[bk]C[ko])
(;W[ak]C[RIGHT]))))
(;W[bi];B[bh];W[ch];B[bg]))
(;B[gh];W[bh]C[RIGHT]))
(;W[cj];B[gh];W[bh];B[ch];W[bj];B[aj];W[ai];B[ci];W[bi];B[ak])
(;W[bi];B[gh]
(;W[bk];B[aj]
(;W[bh];B[ch];W[ci];B[dk];W[bg];B[ag];W[bf];B[af];W[ah];B[ae]
(;W[bj];B[ck])
(;W[ck];B[bj]))
(;W[ch];B[bh])
(;W[ai])
(;W[bj];B[bh];W[ai];B[dk])
(;W[dk];B[bh];W[ai];B[cj];W[ci];B[bj]))
(;W[bh];B[bk]
(;W[cj];B[bj]
(;W[ck];B[ch]
(;W[aj];B[ah])
(;W[bg];B[ci])
(;W[ci];B[bg]))
(;W[bg];B[dk])
(;W[ch];B[dk])
(;W[aj];B[dk]))
(;W[dk];B[bj]
(;W[ci];B[bg])
(;W[bg])
(;W[cj];B[ch];W[ci];B[bg]))
(;W[bj];B[dk]))
(;W[bj];B[bh]
(;W[dk];B[ai];W[aj];B[bk];W[ci];B[ck])
(;W[ai];B[ak];W[ci];B[ck];W[dk];B[bk]))
(;W[ci];B[bh])
(;W[cj];B[bh]
(;W[bk];B[aj];W[ai];B[dk])
(;W[ai];B[bk]))
(;W[ch];B[bg]
(;W[bk];B[aj];W[ai];B[bh];W[dk];B[cj];W[ci];B[bj])
(;W[cj];B[bh];W[bk];B[aj];W[ai];B[dk]))
(;W[dk];B[bh]
(;W[ci];B[ai];W[aj];B[bk])
(;W[ai];B[ci];W[cj];B[bk])
(;W[bk];B[aj];W[ai];B[cj];W[ci];B[bj])
(;W[bj];B[ai];W[aj];B[bk];W[ci];B[ck])))
(;W[ci];B[gh]
(;W[bj];B[ck];W[bh];B[dk];W[bk];B[ai];W[aj];B[ah];W[bg]C[RIGHT])
(;W[bh];B[bj]
(;W[bg];B[bi];W[ch]
(;B[bf]
(;W[ag]
(;B[ai])
(;B[bk]))
(;W[bk];B[aj];W[ag];B[ai];W[dk];B[cj])
(;W[aj];B[bk];W[ck];B[ag];W[ah];B[ek];W[dk];B[ai]))
(;B[bk];W[ck];B[ag];W[bf];B[af];W[ah];B[ae];W[cf];B[ce];W[dg];B[df]))
(;W[bi];B[dk];W[ck];B[ek];W[aj];B[bk];W[cj];B[ah]))
(;W[bi];B[bh]C[dead shape]))
(;W[bh];B[ci];W[cj];B[bj];W[bi];B[ch];W[bk];B[aj];W[ai];B[dk];W[ak];B[gh]LB[bg:A]LB[ag:B]C[miai])
(;W[gi];B[ci];W[cj];B[bj];W[bi];B[ck];W[ch];B[dk];W[ci];B[ai]))
(;W[bi];B[eh]
(;W[bj];B[bh]
(;W[ci];B[ck];W[dk];B[ai];W[aj];B[bk])
(;W[ai];B[ak];W[ci];B[ck];W[dk];B[bk])
(;W[dk];B[ai];W[aj];B[bk]
(;W[ci];B[ck])
(;W[ck];B[ci]))
(;W[bk];B[dk];W[ck];B[ci]))
(;W[ch];B[bh];W[ci];B[bg]C[dead shape])
(;W[bh];B[bk]
(;W[cj];B[bj]
(;W[aj];B[dk])
(;W[ch];B[dk])
(;W[ci];B[bg])
(;W[bg];B[dk]))
(;W[dk];B[bj]
(;W[ci];B[bg]
(;W[ah];B[aj])
(;W[aj];B[ah]))
(;W[cj];B[ch]
(;W[aj];B[ci])
(;W[ci];B[bg]
(;W[aj];B[ah])
(;W[ah];B[aj])))))
(;W[bk]
(;B[aj]C[CHOICE]
(;W[bh];B[dk]
(;W[bg];B[ag]
(;W[bf];B[af];W[ah];B[ae]
(;W[bj])
(;W[ch];B[cj]))
(;W[ah];B[bf];W[ch];B[cj];W[ci];B[bj])
(;W[bj];B[ci]))
(;W[bj];B[ci])
(;W[ch];B[cj];W[ci]))
(;W[bg];B[ch];W[bh];B[ci];W[cj];B[bj];W[ai];B[dk];W[ak];B[bj];W[aj];B[ag])
(;W[dk];B[bh];W[ai];B[cj];W[ci];B[bj])
(;W[bj];B[bh];W[ai];B[dk];W[ck];B[ci]))
(;B[dk]C[D1 is a black mistake];W[aj];B[cj];W[ci];B[ck]
(;W[bj];B[ek];W[bg])
(;W[bg])))
(;W[cj];B[bh];W[bk];B[aj];W[ai];B[dk])
(;W[ci];B[bh]C[dead shape]))
(;W[bh];B[ci]
(;W[cj];B[ch];W[bi];B[bj];W[bk];B[aj];W[ai];B[dk];W[ak];B[bj];W[bg]
(;B[ag];W[bf];B[af])
(;B[eh];W[aj];B[ag]))
(;W[fh];B[eh];W[cj];B[bj];W[bi];B[ch];W[bk];B[aj];W[ai];B[dk];W[ak];B[gh]LB[bg:A]LB[ag:B]C[miai]))
(;W[eh];B[fh]
(;W[bh];B[cj];W[ch];B[dg];W[ci]
(;B[dk];W[bj];B[ck];W[bk];B[ek])
(;B[bj];W[dk];B[bg]
(;W[aj];B[bk];W[ah];B[bi])
(;W[bk];B[aj]
(;W[ah])
(;W[ck];B[ah];W[ai];B[bi]))))
(;W[ch];B[bh];W[dg];B[bi])
(;W[bi];B[bh];W[ci];B[ch]TR[bi]TR[ci]TR[di]TR[dj]C[dead shape]
(;W[bj];B[ck];W[dk];B[ai];W[aj];B[bk])
(;W[bk];B[aj];W[ai];B[dk];W[ck];B[bj])
(;W[ai];B[dk];W[ck];B[bj])))
(;W[cj]
(;B[eh]
(;W[bh];B[ch]
(;W[bi];B[aj]
(;W[bg];B[ag]
(;W[bk];B[dk])
(;W[dk];B[bk])
(;W[bf];B[af];W[ah];B[ae];W[dk];B[bk])
(;W[ah];B[bf];W[dk];B[bk]))
(;W[bk];B[dk]))
(;W[ci]
(;B[bg];W[ai];B[bk];W[bj];B[ag]
(;W[ak];B[aj];W[ck];B[ah];W[ak];B[bi]C[ko])
(;W[ah];B[aj];W[ak]C[ko]))
(;B[bk];W[bg]
(;B[bf])
(;B[bj];W[bi];B[ag];W[bf])))
(;W[bj];B[aj]
(;W[ai];B[ci];W[bi];B[ak];W[bk];B[dk])
(;W[bg];B[ci];W[bi];B[ag];W[ah];B[af])
(;W[ci];B[ai]
(;W[bg];B[bf];W[bi];B[dk];W[ck];B[ak];W[ag])
(;W[dk];B[ah])
(;W[ah];B[dk];W[ck];B[ak]))
(;W[bi];B[bg];W[dk];B[bk]C[dead])
(;W[dk]
(;B[ah];W[bi])
(;B[bk];W[bg];B[bf];W[bi];B[ag]))))
(;W[bi];B[bh];W[bk];B[aj];W[ai];B[dk]))
(;B[bj]C[CHOICE]
(;W[bi]
(;B[bk]
(;W[fh];B[eh]
(;W[gi];B[ci];W[ch];B[dk];W[bg];B[ck];W[ci];B[ai];W[bh];B[bf])
(;W[ck];B[ch];W[aj];B[gh]))
(;W[eh];B[fh];W[ch];B[dg];W[ck];B[bh]C[];W[bg]C[ko]))
(;B[eh]))
(;W[eh];B[fh];W[ch];B[dg];W[bi];B[bk];W[ck];B[bh]C[];W[bg]C[ko])
(;W[fh];B[eh];W[bi];B[bk];W[ck];B[gh];W[bh];B[ch]
(;W[aj];B[ah])
(;W[bg];B[ci])
(;W[ci];B[bg]))))
(;W[ci];B[eh]
(;W[bj];B[ck]
(;W[dk];B[bh])
(;W[bh];B[dk]
(;W[bg];B[bk]
(;W[bf];B[ai];W[af];B[ae];W[ah];B[aj])
(;W[ai];B[ag]))
(;W[bk];B[ai];W[aj];B[ah];W[bg]C[RIGHT])))
(;W[bh];B[bj];W[bg];B[bi];W[ch];B[bk]
(;W[ck];B[ag]
(;W[bf];B[af];W[cf];B[ce];W[dg];B[df];W[ah];B[ae];W[aj];B[ek];W[dk];B[ai])
(;W[ah];B[bf];W[af];B[ek]
(;W[dk];B[ae];W[aj];B[ai])
(;W[aj];B[dk])))
(;W[dk];B[bf]
(;W[ag];B[ai])
(;W[ai];B[ag])))
(;W[bi];B[bh]C[dead shape]))
(;W[ch];B[eh];W[bh]
(;B[cj];W[ci];B[bj]
(;W[dk]
(;B[bg]
(;W[ah];B[aj])
(;W[aj];B[bk];W[ah];B[bi])
(;W[bk];B[aj];W[ai];B[ag];W[ah];B[ck]))
(;B[aj]))
(;W[ck];B[bk];W[dk];B[bg]
(;W[ah];B[aj])
(;W[aj];B[ah])
(;W[ai]))
(;W[bg];B[dk]))
(;B[bj];W[cj];B[bi];W[bk]))
(;W[dk];B[ci];W[fh];B[eh];W[gi];B[cj]))
(;W[fi];B[di];W[cj]
(;B[gj]C[CHOICE]
(;W[gi];B[bj]
(;W[ci];B[bi])
(;W[bi];B[ci];W[bk];B[aj];W[ai];B[dk];W[ak];B[bj];W[aj];B[ek]))
(;W[bh];B[ci];W[bi];B[bj];W[bk];B[aj];W[ai];B[dk];W[ak];B[gi]LB[bg:A]LB[ag:B]C[miai])
(;W[bi];B[gi]
(;W[bh];B[aj]
(;W[bg];B[ag]
(;W[ah];B[bf])
(;W[bf];B[af];W[ah];B[ae];W[dk];B[bk])
(;W[dk];B[bk];W[bf];B[af];W[ah];B[ae]))
(;W[dk];B[bk];W[bg];B[ag];W[bf];B[af];W[ah];B[ae])
(;W[bk];B[dk]))
(;W[aj];B[bk];W[bh];B[ah]))
(;W[ci];B[gi];W[bh];B[bg]
(;W[ai]C[RIGHT])
(;W[bj]C[RIGHT])
(;W[aj]C[RIGHT]))
(;W[bj];B[gi];W[bh]
(;B[ci];W[bi];B[dk]
(;W[bg];B[ag]
(;W[bf];B[af];W[ah];B[ae]
(;W[ck];B[aj];W[ak];B[bk];W[ai]C[RIGHT])
(;W[aj]C[RIGHT]))
(;W[ah];B[aj]
(;W[bf]C[RIGHT])
(;W[af];B[bf])))
(;W[ck];B[ak];W[bg];B[ag];W[ah];B[aj]
(;W[af];B[bf])
(;W[bf]C[RIGHT])))
(;B[bg];W[ci])))
(;B[bj]
(;W[bi];B[ci];W[bk];B[aj];W[ai];B[dk];W[ak];B[bj];W[aj];B[gj];W[gi];B[ek])
(;W[ci];B[bi];W[gj];B[ch];W[fk];B[ck];W[ek])))
(;W[ci];B[fi]
(;W[bj];B[bh];W[bi];B[ck];W[dk];B[ai];W[aj];B[bk])
(;W[bh];B[bj];W[cj];B[dk];W[bk];B[aj];W[bg];B[bf];W[ag];B[ai]))
(;W[cj];B[fi]
(;W[bh];B[bj]
(;W[ci];B[dk];W[bk];B[aj];W[bg];B[ag])
(;W[bi];B[bk]
(;W[di];B[eh]
(;W[aj];B[dk])
(;W[ch];B[dk])
(;W[ci];B[bg])
(;W[bg];B[dk]))
(;W[ci];B[bg])
(;W[ck];B[di];W[aj];B[ah])
(;W[aj];B[di]
(;W[ck];B[ah])
(;W[ah];B[dk])))
(;W[bk];B[bi]
(;W[aj];B[ci])
(;W[ci];B[aj];W[ah];B[ch]
(;W[dk];B[bg])
(;W[ai];B[dk]))))
(;W[bi];B[bh];W[bk];B[aj];W[ai];B[dk])
(;W[di]
(;B[eh]
(;W[bh];B[ch]
(;W[bi];B[aj]
(;W[bg];B[ag]
(;W[bk];B[dk])
(;W[dk];B[bk])
(;W[bf];B[af];W[ah];B[ae];W[dk];B[bk])
(;W[ah];B[bf];W[dk];B[bk]))
(;W[bk];B[dk]))
(;W[ci]
(;B[bg];W[ai];B[bk];W[bj];B[ag]
(;W[ak];B[aj];W[ck];B[ah];W[ak];B[bi]C[ko])
(;W[ah];B[aj];W[ak]C[ko]))
(;B[bk];W[bg]
(;B[bf])
(;B[bj];W[bi];B[ag];W[bf])))
(;W[bj];B[aj]
(;W[ai];B[ci];W[bi];B[ak];W[bk];B[dk])
(;W[bg];B[ci];W[bi];B[ag];W[ah];B[af])
(;W[ci];B[ai]
(;W[bg];B[bf];W[bi];B[dk];W[ck];B[ak];W[ag])
(;W[dk];B[ah])
(;W[ah];B[dk];W[ck];B[ak]))
(;W[bi];B[bg];W[dk];B[bk]C[dead])
(;W[dk]
(;B[ah];W[bi])
(;B[bk];W[bg];B[bf];W[bi];B[ag]))))
(;W[bi];B[bh]))
(;B[bj]C[CHOICE]
(;W[bi]
(;B[bk]
(;W[fh];B[eh]
(;W[gi];B[ci];W[ch];B[dk];W[bg];B[ck];W[ci];B[ai];W[bh];B[bf])
(;W[ck];B[ch];W[aj];B[gh]))
(;W[eh];B[fh];W[ch];B[dg]))
(;B[eh]))
(;W[eh];B[fh];W[ch];B[dg];W[bi];B[bk];W[ck];B[bh]C[];W[bg]C[ko])
(;W[fh];B[eh];W[bi];B[bk];W[ck];B[gh];W[bh])))))
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