invalid problem set
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Problem | 1399 |
Created | 2002-03-09 |
Source | |
Rating | |
Difficulty | 6 dan |
Average Solve Time | 32 secs |
User Attempts |
315 / 2987 |
Solve Ratio Rating | 3 dan |
| rating history |
Brute force seems quite suited for this position. But please be a little choosy.
(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.33]
AB[cd][ec][fd][hd][jc][ic]
AW[cf][ci][ee][hc][id]
GN[temp]
(
;
W[dc]
;
B[dd]
(
;
W[gd]
;
B[he]
(
;
W[fc]
;
B[ed]
;
W[ge]
;
B[hf]
MA[dc]
TR[dc][dd]
C[RIGHT the marked exchange helps white break through cleanly. Next Wa, Bb, Wc, Bd.]
LB[fe:a][hb:b][gc:c][je:d]
)
(
;
W[gc]
;
B[ge]
)
(
;
W[ge]
;
B[gc]
)
)
(
;
W[ed]
;
B[fc]
)
(
;
W[fc]
;
B[gc]
)
)
(
;
W[gd]
;
B[he]
(
;
W[fc]
;
B[fb]
;
W[gc]
;
B[ge]
;
W[ed]
;
B[fe]
;
W[dc]
;
B[eb]
;
W[cc]
C[Its easy to be satisfied with this sequence without noticing the mistake. The corner is big, but the four stones black captures are also worth something. It comes down to white loosing sente because the marked stone has lost its usefulness.]
TR[id]
)
(
;
W[dc]
;
B[ge]
)
)
)
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