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life and death
flag problem... (3) Well Constructed (1) Needs Fixing (2) Invalid Duplicate
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Problem 3119
Created 2003-10-21
Name The Great Escape
Source Ju Zhong Zhen Long
Rating
Difficulty 8 dan
Average Solve Time 42 secs
User Attempts
73 / 1512
Solve Ratio Rating 5 dan
rating history
I left out the last 2 moves when i first posted this problem (problem 3109)... It proved to be a mistake... I'm hoped with the addition of the last 2 steps the solution becomes clearer... I've also added a variation which shows the importance of B s19...
(;AB[jd]AB[ld]AB[lc]AB[lb]AW[mb]AW[mc]AW[md]AW[le]AW[lf]AB[me]AB[ne]AW[mg]AW[ng]AW[ni]AW[pj]AW[oj]AW[qk]AW[rk]AW[rm]AW[nc]AW[pc]AW[oc]AB[pd]AW[qc]AB[qd]AB[pe]AB[pf]AB[pg]AB[ph]AB[pi]AW[rd]AW[qe]AW[qf]AW[qg]AW[qh]AB[qi]AB[rj]AB[rh]C[Black to break free~]AP[goproblems]
(;B[re];W[rf];B[rc];W[se]
(;B[rb]
(;W[sg]C[CHOICE]
(;B[qb];W[pb];B[sc];W[sd]
(;B[qa];W[sa];B[rg];W[sh];B[ri];W[pa];B[si];W[sb]
(;B[ra];W[sb];B[sf];W[sg]C[];B[sh];W[sa];B[sf]C[Solved~RIGHT];W[re];B[rc]C[RIGHT])
(;B[sf];W[sg]
(;B[ra];W[sb];B[sh];W[sa];B[sf]C[Solved~RIGHT];W[re];B[rc]C[RIGHT])
(;B[sh];W[ra];B[sf];W[re])))
(;B[sa];W[qa]))
(;B[sc];W[sd];B[qb];W[pb];B[qa];W[sa];B[rg];W[sh];B[ri];W[pa];B[si];W[sb]
(;B[ra];W[sb];B[sf];W[sg]C[];B[sh];W[sa];B[sf]C[Solved~RIGHT];W[re];B[rc]C[RIGHT])
(;B[sf];W[sg]
(;B[ra];W[sb];B[sh])
(;B[sh];W[ra];B[sf];W[re])))
(;B[sd];W[sc];B[sb];W[sd];B[rg];W[sh];B[ri];W[qb]))
(;W[qb];B[sg];W[sf]
(;B[sd];W[sc];B[sb]C[Ko.RIGHT])
(;B[sc];W[ra])
(;B[sb];W[sd])))
(;B[sc];W[rb]))
(;B[rc];W[re]))
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