invalid problem set
Problem | 1930 |
Created | 2003-02-17 |
Source | Amateur game |
Rating | |
Difficulty | 9.2 kyu |
Average Solve Time | 35 secs |
User Attempts |
3550 / 10528 |
Solve Ratio Rating | 5 kyu |
| rating history |
Please note that the solution is considering Japanese style territory counting rather than area scoring.
(
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FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.18]
AB[ds][es][er][eq][cq][dp][do][dn][cn][dm][dk][dl][dj][cj][bj][bk][bl][al][ao]
AW[dq][dr][cr][cs][co][cp][bp][ap][bn][bm][am][cm][cl][ck]
C[Best endgame for black considering only points (not sente)?]
GN[tempeg5]
(
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B[br]
;
W[bq]
;
B[bs]
;
W[cq]
;
B[ar]
C[Seki. White scores 1 pt for capturing C3 and another 1 pt when she removes A5. RIGHT]
)
(
;
B[bo]
;
W[an]
(
;
B[bo]
;
W[br]
;
B[ao]
;
W[bn]
;
B[bm]
;
W[an]
C[1pt worse than the optimal seki (although sente).]
)
(
;
B[br]
;
W[bq]
(
;
B[bs]
;
W[cq]
(
;
B[ar]
;
W[aq]
(
;
B[bo]
;
W[as]
;
B[ao]
;
W[bn]
;
B[bm]
;
W[an]
C[Sente but 1pt worse than the optimal seki.]
)
(
;
B[ao]
;
W[as]
;
B[bo]
;
W[bn]
;
B[bm]
;
W[an]
C[Sente but 1 pt worse than the optimal seki.]
)
)
(
;
B[bo]
;
W[ao]
;
B[ar]
C[Seki but black has sacrificed unneccessarily.]
)
(
;
B[ao]
;
W[bo]
;
B[ar]
C[Seki but black has given white unneccessary prisoners.]
)
)
(
;
B[bo]
;
W[ao]
;
B[bs]
;
W[cq]
;
B[ar]
C[Seki but black has sacrificed more stones than he needed to.]
)
(
;
B[ao]
;
W[bo]
;
B[bs]
;
W[cq]
;
B[ar]
C[Seki but black has sacrificed more stones than he needed to.]
)
)
(
;
B[ao]
;
W[br]
;
B[bo]
;
W[bn]
;
B[bm]
;
W[an]
C[1pt worse than the optimal seki (but sente).]
)
)
(
;
B[bq]
;
W[br]
)
)
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