invalid problem set
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life and death
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Problem | 1179 |
Created | 2001-11-16 |
Source | |
Rating | |
Difficulty | 11 kyu |
Average Solve Time | 26 secs |
User Attempts |
4182 / 12088 |
Solve Ratio Rating | 5 kyu |
| rating history |
Contains response to variation submitted by Lazurus
(
;
GM[1]
FF[1]
CA[UTF-8]
AP[Jago:Version 4.53]
ST[2]
RU[Japanese]
SZ[13]
KM[0.00]
PW[White]
PB[Black]
AW[fb][ec][gc][bd][ed][ce]
AB[bb][eb][cc][dc]
GN[Clipboard Content]
(
;
B[ca]
CR[ca]
;
W[db]
CR[db]
;
B[ea]
CR[ea]
;
W[ab]
CR[ab]
;
B[ac]
CR[ac]
;
W[bc]
CR[bc]
;
B[aa]
LB[ca:1]
CR[aa]
C[RIGHT Black 1 is the vital point to get two eyes.]
)
(
;
B[da]
CR[da]
;
W[ab]
CR[ab]
;
B[ac]
CR[ac]
;
W[bc]
CR[bc]
(
;
B[cb]
CR[cb]
;
W[ba]
CR[ba]
;
B[aa]
LB[ba:6][da:1][ab:2][cb:5][ac:3][bc:4]
CR[aa]
C[If Black 1, White's moves 2 to 6 get a Ko. ]
)
(
;
B[aa]
CR[aa]
;
W[ca]
CR[ca]
;
B[cb]
;
W[ea]
(
;
B[fa]
(
;
W[ga]
;
B[ea]
;
W[db]
)
(
;
W[ga]
;
B[ba]
(
;
W[ea]
;
B[db]
;
W[fa]
;
B[ad]
;
W[ae]
;
B[cd]
;
W[ab]
)
(
;
W[dd]
;
B[ea]
)
)
)
(
;
B[ba]
;
W[db]
)
)
)
)
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