invalid problem set
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life and death
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| Problem | 619 |
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| Created | 2001-05-24 |
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| Source | |
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| Rating | |
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| Difficulty | 10 kyu |
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| Average Solve Time | 31 secs |
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| User Attempts |
4238 / 12546 |
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| Solve Ratio Rating | 5 kyu |
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| rating history |
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2001 Nov 10: Added another variation to this problem using the CHOICE option.
(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.21]
AB[br][bs][cq][dq][eq][fq][fs][hr][gr]
AW[ar][bq][cp][bo][dp][ep][fp][gq][hq][iq][ir][is][hs][gs]
TR[gr][hr]
C[Black first to live. Do not try to save the two marked stones.]
GN[goproblem_x05]
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B[ds]
(
;
W[fr]
(
;
B[er]
;
W[es]
;
B[cr]
C[RIGHT
CHOICE]
)
(
;
B[cr]
;
W[er]
)
)
(
;
W[cr]
(
;
B[er]
;
W[fr]
;
B[gr]
C[RIGHT
CHOICE]
)
(
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B[dr]
;
W[fr]
)
(
;
B[fr]
;
W[dr]
(
;
B[er]
;
W[es]
)
(
;
B[cs]
;
W[er]
)
)
(
;
B[cs]
;
W[fr]
)
)
)
(
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B[fr]
;
W[dr]
(
;
B[ds]
;
W[cr]
(
;
B[cs]
;
W[er]
)
(
;
B[er]
;
W[es]
)
)
(
;
B[cr]
;
W[ds]
)
(
;
B[er]
;
W[cr]
)
)
(
;
B[cr]
;
W[fr]
(
;
B[er]
;
W[ds]
)
(
;
B[ds]
;
W[er]
)
)
(
;
B[er]
;
W[ds]
)
(
;
B[dr]
;
W[fr]
(
;
B[es]
;
W[cs]
)
(
;
B[cs]
;
W[es]
)
(
;
B[er]
;
W[es]
)
)
(
;
B[cs]
;
W[fr]
(
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B[dr]
;
W[es]
)
(
;
B[er]
;
W[es]
)
(
;
B[es]
;
W[er]
)
)
(
;
B[es]
;
W[fr]
(
;
B[dr]
;
W[cs]
)
(
;
B[cs]
;
W[er]
)
)
)
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