invalid problem set
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life and death
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Problem | 9709 |
Created | 2007-01-26 |
Source | Yilun Yang problem set #4 |
Rating | |
Difficulty | 6 dan |
Average Solve Time | 80 secs |
User Attempts |
142 / 1071 |
Solve Ratio Rating | 2 dan |
| rating history |
This was one of the easier questions that the 5k and above group was assigned at Yilun Yang's 2007 Evanston workshop.
(;AB[cr]AB[cq]AB[cp]AB[co]AB[dn]AB[fn]AB[ep]AB[dp]AB[fp]AB[gp]AB[gq]AB[es]AW[dr]AW[dq]AW[eq]AW[cs]AW[br]AW[bq]AW[bp]AW[bo]AW[cm]AW[dm]AW[fm]AW[gm]AW[ho]AW[hp]AW[hq]AW[hr]C[Black to live.]AP[goproblems]
(;B[ds]
(;W[fs]C[CHOICE]
(;B[bs];W[er]
(;B[fr];W[cs]
(;B[fq];W[gs];B[es]C[RIGHT])
(;B[ds];W[gs])
(;B[gs];W[ds]))
(;B[cs];W[fr])
(;B[gs];W[cs]
(;B[ds];W[gr])
(;B[fr];W[ds]))
(;B[fq];W[cs]
(;B[ds];W[fr])
(;B[fr];W[as];B[ds];W[es];B[gs]C[RIGHT])
(;B[gs];W[ds])))
(;B[fr];W[er];B[gs];W[ds]))
(;W[er];B[bs]
(;W[fs]C[This line transposes to the solution path.]
(;B[fr];W[cs]
(;B[fq];W[gs];B[es]C[RIGHT])
(;B[ds];W[gs])
(;B[gs];W[ds]))
(;B[cs];W[fr])
(;B[gs];W[cs]
(;B[ds];W[gr])
(;B[fr];W[ds]))
(;B[fq];W[cs]
(;B[ds];W[fr])
(;B[fr];W[as];B[ds];W[es];B[gs]C[RIGHT])
(;B[gs];W[ds])))
(;W[fr];B[gr];W[fs];B[gs];W[cs];B[fq];W[as];B[ds])))
(;B[eo]C[NOTTHIS])
(;B[er];W[ds];B[fq];W[bs];B[gr];W[gs]))
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