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life and death
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+8
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Problem | 1278 |
Created | 2002-01-28 |
Source | |
Rating | |
Difficulty | 12.6 kyu |
Average Solve Time | 36 secs |
User Attempts |
5582 / 14295 |
Solve Ratio Rating | 6 kyu |
| rating history |
(
;
AW[fa][fb][fc][ec][dc][cc][bd][ad][ce]
AB[bc][bb][cb][db][eb][ea]
(
;
W[ba]
;
B[ac]
;
W[ca]
;
B[aa]
;
W[ab]
C[RIGHT Ko]
)
(
;
W[ab]
;
B[ac]
;
W[ba]
;
B[aa]
C[two step Ko]
)
(
;
W[ac]
;
B[ab]
)
(
;
W[ca]
;
B[ba]
)
)
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