invalid problem set
Problem | 750 |
Created | 2001-06-20 |
Source | |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 53 secs |
User Attempts |
64 / 2109 |
Solve Ratio Rating | 6 dan |
| rating history |
(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;C[White to kill.]
PL[W]
AB[bn][bo][co][cp][cr][dn][dr]
AW[am][bm][cm][cn][do][dp][ds][en][ep][er][fp][fr]
(;W[bq]
(;B[cq]
(;W[an]
;B[ao]
(;W[ar]
;B[cs]
(;W[br]
;B[aq]
(;W[ap]
;B[bp]
;W[aq]
C[RIGHT]
)(;W[bs]
;B[bp]
C[ko]
))(;W[aq]
;B[bs]
C[Black lives.]
)(;W[ap]
;B[br]
C[ko]
)(;W[bs]
;B[br]
C[ko]
)(;W[bp]
;B[br]
C[Black lives.]
))(;W[br]
;B[cs]
(;W[ar]
;B[aq]
(;W[ap]
;B[bp]
;W[aq]
C[RIGHT]
)(;W[bs]
;B[bp]
C[ko]
))(;W[bs]
;B[aq]
;W[ar]
;B[bp]
C[ko]
)(;W[aq]
;B[bs]
;W[as]
;B[ar]
C[ko.]
)(;W[bp]
;B[ar]
C[Black lives.]
)(;W[ap]
;B[ar]
;W[bs]
;B[aq]
;W[dq]
C[RIGHT]
))(;W[cs]
;B[bs]
;W[br]
;B[es]
(;W[aq]
;B[ds]
;W[as]
;B[ar]
C[ko]
)(;W[ds]
;B[aq]
C[Black lives.]
))(;W[bs]
;B[cs]
;W[br]
;B[aq]
;W[ar]
;B[bp]
C[ko]
)(;W[aq]
;B[br]
;W[ar]
;B[cs]
;W[es]
;B[ap]
;W[bs]
;B[as]
C[ko]
)(;W[ap]
;B[ar]
C[Black lives.]
))(;W[br]
;B[bs]
(;W[an]
;B[ar]
;W[aq]
;B[ao]
C[ko]
)(;W[ar]
;B[an]
C[Black lives.]
)(;W[aq]
;B[an]
C[Black lives.]
)(;W[ap]
;B[an]
C[Black lives.]
)(;W[ao]
;B[an]
C[Black lives.]
))(;W[ar]
;B[br]
;W[ap]
;B[cs]
;W[an]
;B[ao]
;W[bs]
;B[as]
C[ko]
)(;W[cs]
;B[bs]
C[Black lives.]
)(;W[ap]
;B[bp]
;W[br]
;B[bs]
;W[aq]
;B[an]
;W[as]
;B[ar]
C[ko]
))(;B[br]
(;W[ap]
C[RIGHT]
)(;W[an]
;B[cq]
;W[cs]
;B[bs]
;W[ap]
;B[ao]
;W[ar]
C[RIGHT]
)))(;W[cq]
;B[bq]
C[Black lives.]
)(;W[cs]
;B[bs]
C[Black lives.]
)(;W[br]
;B[bq]
;W[cs]
;B[bs]
;W[as]
;B[ar]
;W[aq]
;B[ap]
;W[an]
;B[ar]
C[ko]
)(;W[dq]
;B[cq]
C[Black lives.]
)(;W[bs]
;B[bq]
C[Black lives.]
)(;W[ar]
;B[bq]
C[Black lives.]
)(;W[an]
;B[bq]
C[Black lives.]
)(;W[aq]
;B[bq]
C[Black lives.]
))
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