invalid problem set
Problem | 771 |
Created | 2001-06-22 |
Source | |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 77 secs |
User Attempts |
39 / 1839 |
Solve Ratio Rating | 6 dan |
| rating history |
(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;AB[bn][cp][cq][cr]
AW[al][bl][cl][dl][dm][dn][do][dp][dq][dr][ds]
PL[B]
C[White to kill.]
(;W[ap]
(;B[bo]
(;W[cs]
;B[bs]
(;W[ar]
;B[br]
(;W[an]
;B[ao]
(;W[bq]
C[RIGHT]
)(;W[aq]
;B[co]
;W[bq]
C[RIGHT]
)(;W[co]
;B[aq]
;W[bq]
;B[bp]
;W[aq]
C[RIGHT]
))(;W[bq]
;B[an]
C[Black lives.]
)(;W[co]
;B[aq]
;W[bq]
;B[bp]
C[ko]
))(;W[br]
;B[ar]
C[ko]
)(;W[bq]
;B[br]
C[Black lives.]
)(;W[bp]
;B[ar]
C[Black lives.]
)(;W[co]
;B[ar]
C[Black lives.]
)(;W[an]
;B[ar]
C[Black lives.]
))(;W[bs]
;B[cs]
C[Black lives.]
)(;W[ar]
;B[cs]
C[Black lives.]
)(;W[br]
;B[cs]
C[Black lives.]
)(;W[bq]
;B[cs]
C[Black lives.]
)(;W[bp]
;B[ar]
C[Black lives.]
)(;W[an]
;B[ao]
C[Black lives.]
))(;B[an]
;W[br]
(;B[cs]
;W[co]
;B[bo]
;W[bp]
C[RIGHT]
)(;B[bs]
;W[ar]
;B[cs]
;W[co]
;B[bo]
;W[bp]
C[RIGHT]
)))(;W[cs]
;B[bs]
(;W[br]
;B[ar]
C[ko]
)(;W[ar]
;B[br]
(;W[ap]
;B[bp]
;W[an]
;B[aq]
C[ko]
)(;W[bo]
;B[co]
;W[an]
;B[bp]
(;W[ap]
;B[aq]
C[Black lives.]
)(;W[aq]
;B[ao]
;W[am]
;B[cn]
;W[ap]
C[Black lives.]
)))(;W[ap]
;B[ar]
C[Black lives.]
))(;W[bs]
;B[cs]
C[Black lives.]
)(;W[ar]
;B[br]
)(;W[aq]
;B[ar]
;W[br]
;B[bs]
C[ko]
)(;W[bp]
;B[bq]
C[Black lives.]
)(;W[co]
;B[bo]
;W[cs]
;B[bs]
;W[br]
;B[ar]
C[ko]
)(;W[bo]
;B[co]
(;W[cs]
;B[bs]
;W[br]
;B[ar]
C[ko]
)(;W[an]
;B[bp]
(;W[ao]
;B[ap]
C[Black lives.]
)(;W[bs]
;B[ao]
C[Black lives.]
))(;W[bp]
;B[bq]
C[Black lives.]
))(;W[ao]
;B[ar]
C[Black lives.]
)(;W[an]
;B[ao]
(;W[cs]
;B[bs]
;W[br]
;B[ar]
C[ko]
)(;W[bp]
;B[co]
;W[cs]
;B[bs]
;W[br]
;B[ar]
C[ko]
))(;W[br]
;B[cs]
(;W[ar]
;B[co]
;W[an]
;B[ao]
;W[cn]
;B[am]
;W[bm]
;B[bq]
;W[bo]
;B[bp]
;W[aq]
;B[bs]
C[ko]
)(;W[bo]
;B[co]
;W[an]
;B[bp]
;W[ao]
;B[ap]
;W[am]
;B[ar]
C[Black lives.]
)))
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