invalid problem set
Problem | 1285 |
Created | 2002-01-28 |
Source | |
Rating | |
Difficulty | 4.5 dan |
Average Solve Time | 32 secs |
User Attempts |
618 / 3362 |
Solve Ratio Rating | 1 kyu |
| rating history |
(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.27]
AB[cc][dc][ec][eb]
AW[fb][hb][fc][fd][ed][cd][ce]
GN[121]
(
;
W[bc]
;
B[bb]
(
;
W[ab]
;
B[bd]
;
W[ad]
C[RIGHT ko - B should try to exchange B a for W b to avoid this ko.]
MALB[bd:a][be:b]
LB[bd:a][be:b]
)
(
;
W[bd]
;
B[ab]
;
W[da]
;
B[ea]
;
W[cb]
;
B[db]
)
)
(
;
W[bd]
;
B[bc]
;
W[bb]
;
B[ab]
;
W[cb]
;
B[ca]
(
;
W[ba]
;
B[da]
C[Seki]
)
(
;
W[da]
;
B[ba]
;
W[aa]
;
B[ba]
(
;
W[ea]
;
B[db]
C[alive]
)
(
;
W[ca]
;
B[ea]
;
W[aa]
;
B[ac]
;
W[ad]
;
B[db]
C[alive]
)
)
)
(
;
W[bb]
;
B[bc]
;
W[bd]
;
B[ab]
;
W[cb]
;
B[ca]
(
;
W[ba]
;
B[da]
C[Seki]
)
(
;
W[da]
;
B[ba]
;
W[aa]
;
B[ba]
(
;
W[ea]
;
B[db]
C[alive]
)
(
;
W[ca]
;
B[ea]
;
W[aa]
;
B[ac]
;
W[ad]
;
B[db]
C[alive]
)
)
)
)
Toggle next/previous buttons