invalid problem set
Problem | 293 |
Created | 2000-11-27 |
Source | |
Rating | |
Difficulty | 2.8 dan |
Average Solve Time | 34 secs |
User Attempts |
712 / 4391 |
Solve Ratio Rating | 1 dan |
| rating history |
(;GM[1]FF[4]CA[UTF-8]
SZ[19]RU[Japanese]KM[0]TM[1800,0,30,5]PW[]PB[]AW[cq][dr][cp]AB[co][do][dq][eq]AE[er]AB[gq][cm]C[black to kill cleanly in this basic but tough pattern]
(;B[br]CR[br]
;W[cr]CR[cr]
(;B[ao]CR[ao]
;W[bs]CR[bs]
(;B[ar]CR[ar]C[RIGHT
black connects out and white's hosed])
(;B[aq]CR[aq]
;W[ar]CR[ar]C[oops, ko])
(;B[bq]CR[bq]
;W[bp]CR[bp]
(;B[ap]CR[ap]
;W[bo]CR[bo]
(;B[bn]CR[bn]
;W[ar]CR[ar]
(;B[aq]CR[aq]
;W[an]CR[an])
(;B[an]CR[an]
;W[aq]CR[aq]))
(;B[an]CR[an]
;W[bn]CR[bn]
(;B[bm]CR[bm]
;W[ar]CR[ar])
(;B[aq]CR[aq]
;W[am]CR[am])))
(;B[bo]CR[bo]
;W[aq]CR[aq])))
(;B[bs]CR[bs]
;W[bo]CR[bo]
(;B[bn]CR[bn]
;W[bq]CR[bq]
(;B[ao]CR[ao]
;W[ap]CR[ap]C[ko])
(;B[ap]CR[ap]
;W[ao]CR[ao]))
(;B[bq]CR[bq]
;W[bp]CR[bp]
(;B[bn]CR[bn]
;W[ao]CR[ao]
;B[aq]CR[aq]
;W[cs]CR[cs]
(;B[er]CR[er]
;W[ar]CR[ar])
(;B[es]CR[es]
;W[ar]CR[ar])
(;B[ar]CR[ar]
;W[er]CR[er]
;B[fr]CR[fr]
;W[es]CR[es]))
(;B[er]CR[er]
;W[bn]CR[bn])))
(;B[cs]CR[cs]
;W[bo]CR[bo]
(;B[bn]CR[bn]
;W[bq]CR[bq]
;B[ao]CR[ao]
;W[ap]CR[ap]C[ko])
(;B[bq]CR[bq]
;W[bp]CR[bp]
;B[bn]CR[bn]
;W[er]CR[er]
;B[fr]CR[fr]
;W[ao]CR[ao]
;B[aq]CR[aq]
;W[es]CR[es]C[alive]))
(;B[bo]CR[bo]
;W[bs]CR[bs]
(;B[aq]CR[aq]
;W[bq]CR[bq]
(;B[ar]CR[ar]
;W[ap]CR[ap])
(;B[ap]CR[ap]
;W[ar]CR[ar]))
(;B[bq]CR[bq]
;W[bp]CR[bp]
;B[ap]CR[ap]
;W[ar]CR[ar])
(;B[ar]CR[ar]
;W[bq]CR[bq]))
(;B[ap]CR[ap]
;W[bo]CR[bo]
(;B[bp]CR[bp]
;W[bq]CR[bq]
(;B[bn]CR[bn]
;W[aq]CR[aq]
;B[ao]CR[ao]
;W[bs]CR[bs])
(;B[aq]CR[aq]
;W[ao]CR[ao]
;B[ar]CR[ar]
;W[bs]CR[bs])
(;B[ar]CR[ar]
;W[aq]CR[aq]))
(;B[bq]CR[bq]
;W[bp]CR[bp]))
(;B[er]CR[er]
;W[bs]CR[bs]
(;B[ds]CR[ds]
;W[ar]CR[ar])
(;B[bp]CR[bp]
;W[bq]CR[bq]
;B[ar]CR[ar]
;W[ds]CR[ds]
;B[aq]CR[aq]
;W[bo]CR[bo]))
(;B[ar]CR[ar]
;W[bq]CR[bq]
(;B[bo]CR[bo]
;W[bs]CR[bs])
(;B[ao]CR[ao]
;W[ap]CR[ap]
;B[bo]CR[bo]
;W[bs]CR[bs])
(;B[er]CR[er]
;W[bo]CR[bo]
;B[bn]CR[bn]
;W[ap]CR[ap]
;B[an]CR[an]
;W[bs]CR[bs]
(;B[ds]CR[ds]
;W[ao]CR[ao])
(;B[ao]CR[ao]
;W[ds]CR[ds])))
(;B[bq]CR[bq]
;W[bp]CR[bp]))
(;B[er]CR[er]
;W[br]CR[br]
(;B[ds]CR[ds]
;W[cs]CR[cs]C[ko])
(;B[bp]CR[bp]
;W[bq]CR[bq]
;B[bo]CR[bo]
;W[cs]CR[cs]))
(;B[bp]CR[bp]
;W[bq]CR[bq]
;B[bo]CR[bo]
;W[br]CR[br]))
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