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life and death
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-3
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Problem | 727 |
Created | 2001-06-14 |
Source | |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 70 secs |
User Attempts |
44 / 2066 |
Solve Ratio Rating | 6 dan |
| rating history |
(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;AB[cr][dp][dq][dr][fp][gq][hr][ir]
AW[ar][bq][br][cn][co][cp][cq][dn][en][fo][go][ho][hp][hq][iq][jq][jr][lr]
PL[W]
C[White to get the best ko.]
(;W[fr]
;B[gr]
(;W[ep]
;B[eq]
(;W[es]
;B[is]
(;W[cs]
;B[ds]
(;W[gs]
;B[eo]
(;W[do]
;B[gp]
;W[ep]
C[RIGHT]
)(;W[gp]
;B[er]
(;W[fs]
;B[do]
C[Black lives.]
)(;W[do]
;B[fs]
C[not the best ko for white.]
))(;W[fs]
;B[gp]
C[Black lives.]
))(;W[eo]
;B[er]
;W[gs]
;B[fs]
C[not the best ko for white]
)(;W[gp]
;B[eo]
(;W[do]
;B[er]
;W[gs]
;B[fs]
C[not the best ko for white.]
)(;W[gs]
;B[er]
(;W[fs]
;B[do]
C[Black lives.]
)(;W[do]
;B[fs]
C[not the best ko for white.]
))(;W[fq]
;B[er]
;W[ep]
C[RIGHT]
))(;W[do]
;B[eo]
(;W[gp]
;B[er]
;W[gs]
;B[fs]
C[not the best ko for white.]
)(;W[gs]
;B[gp]
;W[ep]
C[RIGHT]
)))(;W[fq]
;B[gp]
C[Black lives.]
)(;W[gs]
;B[cs]
(;W[fs]
;B[gp]
C[Black lives.]
)(;W[fq]
;B[gp]
;W[do]
;B[eo]
C[not the best ko for white.]
)(;W[gp]
;B[fq]
C[Black lives.]
)(;W[do]
;B[er]
C[Black lives.]
)(;W[eo]
;B[fq]
C[Black lives.]
))(;W[gp]
;B[fq]
C[Black lives.]
)(;W[eo]
;B[cs]
C[Black lives.]
)(;W[do]
;B[fq]
C[Black lives.]
))(;W[fq]
;B[gp]
(;W[fs]
;B[eo]
C[Black lives.]
)(;W[eo]
;B[fs]
C[Black lives.]
)(;W[cs]
;B[fs]
C[Black lives.]
)(;W[is]
;B[fs]
C[Black lives.]
))(;W[gp]
;B[fq]
C[Black lives.]
)(;W[eo]
;B[fq]
C[Black lives.]
)(;W[do]
;B[fq]
C[Black lives.]
)(;W[cs]
;B[is]
(;W[es]
;B[ds]
(;W[gs]
;B[eo]
(;W[do]
;B[gp]
;W[ep]
C[RIGHT]
)(;W[gp]
;B[er]
;W[do]
;B[fs]
C[not the best ko for white.]
))(;W[gp]
;B[eo]
(;W[fq]
;B[er]
;W[ep]
C[RIGHT]
)(;W[gs]
;B[er]
;W[do]
;B[fs]
C[not the best ko for white.]
)(;W[do]
;B[er]
;W[gs]
;B[fs]
C[white to kill.]
))(;W[fq]
;B[eo]
(;W[gs]
;B[gp]
C[Black lives.]
)(;W[gp]
;B[er]
;W[ep]
C[RIGHT]
)(;W[do]
;B[gp]
(;W[gs]
;B[er]
C[Black lives.]
)(;W[ep]
C[RIGHT]
)))(;W[eo]
;B[er]
;W[gs]
;B[fs]
C[not the best ko for white]
)(;W[do]
;B[eo]
(;W[gs]
;B[gp]
;W[ep]
C[RIGHT]
)(;W[gp]
;B[er]
;W[gs]
;B[fs]
C[not the best ko for white.]
)))(;W[fq]
;B[gp]
C[Black lives]
)(;W[gp]
;B[fq]
C[Black lives.]
)(;W[eo]
;B[fq]
C[Black lives.]
)(;W[do]
;B[fq]
C[Black lives.]
)(;W[gs]
;B[es]
C[Black lives.]
))(;W[is]
;B[eo]
(;W[do]
;B[fs]
(;W[es]
;B[hs]
(;W[cs]
;B[ds]
;W[gs]
C[RIGHT]
)(;W[gs]
;B[cs]
;W[ep]
;B[fs]
;W[gp]
;B[er]
;W[gs]
C[RIGHT]
))(;W[er]
;B[hs]
C[Black lives.]
)(;W[hs]
;B[er]
)(;W[cs]
;B[ds]
C[Black lives.]
))(;W[cs]
;B[er]
C[Black lives.]
)(;W[es]
;B[hs]
(;W[do]
;B[fs]
(;W[cs]
;B[ds]
;W[gs]
C[RIGHT]
)(;W[gs]
;B[cs]
;W[gp]
C[RIGHT]
))(;W[cs]
;B[ds]
;W[do]
;B[fs]
;W[gs]
C[RIGHT]
)(;W[gp]
;B[fs]
(;W[cs]
;B[er]
C[Black lives.]
)(;W[do]
;B[er]
;W[gs]
C[RIGHT]
)))(;W[gp]
;B[fq]
C[Black lives.]
)(;W[gs]
;B[es]
C[Black lives.]
)))(;W[fq]
;B[gp]
C[Black lives.]
)(;W[eq]
;B[ep]
C[Black lives]
)(;W[cs]
;B[er]
C[Black lives.]
)(;W[es]
;B[ep]
C[Black lives.]
)(;W[gs]
;B[ep]
C[Black lives.]
)(;W[is]
;B[er]
C[Black lives.]
)(;W[er]
;B[is]
C[Black lives.]
))(;W[is]
;B[gr]
C[Black lives.]
)(;W[gr]
;B[fr]
C[Black lives.]
)(;W[fs]
;B[fr]
C[Black lives.]
)(;W[fq]
;B[fr]
C[Black lives.]
)(;W[gp]
;B[fr]
C[Black lives.]
)(;W[ep]
;B[fr]
C[Black lives.]
)(;W[er]
;B[fr]
C[Black lives.]
)(;W[cs]
;B[fr]
C[Black lives.]
))
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