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life and death
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+3
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Problem | 585 |
Created | 2001-05-11 |
Source | |
Rating | |
Difficulty | 4.2 kyu |
Average Solve Time | 80 secs |
User Attempts |
1015 / 5006 |
Solve Ratio Rating | 1 kyu |
| rating history |
(;GM[1]FF[3]
RU[Japanese]SZ[19]HA[0]KM[5.5]
PW[White]
PB[Black]
GN[White (W) vs. Black (B)]
DT[1999-07-28]
SY[Cgoban 1.9.2]TM[30:00(5x1:00)];
AW[kb][mb][ic][lc][id][jd][kd][ld][md]
AB[hb][nb][pb][hc][mc][nc][hd][nd][he][me][oe][if][kf][lf]
C[black to kill. can you do better than ko?
]
(;B[ja];W[la]
(;B[na];W[ia]
(;B[ib];W[ma]
(;B[jb];W[ka];B[jc]C[RIGHT
])
(;B[ka];W[jb])
(;B[jc];W[jb])
)
(;B[jb];W[ib]
(;B[ma];W[jc])
(;B[jc];W[ma])
)
(;B[ma];W[ib]
(;B[lb]C[ko
])
(;B[jb];W[jc])
)
)
(;B[jb];W[ib]
(;B[ia];W[jc]
(;B[na];W[ma])
(;B[ha];W[ka])
)
(;B[na];W[ia]
(;B[ma];W[jc])
(;B[jc];W[ma])
)
)
(;B[ia];W[ka])
(;B[ka];W[ia];B[ib];W[jb];B[ja];W[ma])
)
(;B[ma];W[la]C[ko
]
(;B[na];W[ja])
(;B[ja];W[na];B[jb];W[ib];B[ia];W[jc])
)
(;B[la];W[ma]
(;B[ja];W[ka])
(;B[jb];W[ib]
(;B[ka];W[ia])
(;B[ja];W[ia])
)
(;B[na];W[lb])
)
(;B[ka];W[la];B[ja];W[ia];B[jb];W[ib])
(;B[jb];W[ib]
(;B[ia];W[jc];B[ja];W[ka];B[ha];W[ma])
(;B[ja];W[ia])
(;B[la];W[ja])
)
(;B[ia];W[la])
)
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