invalid problem set
Previous
|
Next
|
|
|
life and death
|
|
+1
|
|
Next
|
Problem | 13819 |
Created | 2010-07-02 |
Source | |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 74 secs |
User Attempts |
45 / 235 |
Solve Ratio Rating | 1 kyu |
| rating history |
(;AB[bp]AB[cp]AB[dp]AB[dq]AB[eq]AB[er]AW[fs]AW[fr]AW[fq]AW[fp]AW[ep]AW[do]AW[co]AW[bo]C[White to kill.]AW[bn]AB[cn]AP[goproblems]
(;W[cr]
(;B[br]
(;W[bs]
(;B[cq]
(;W[es]
(;B[dr];W[cs];B[ds];W[ap];B[as];W[aq]C[RIGHT])
(;B[cs];W[ds]C[RIGHT])
(;B[ds]
(;W[ar];B[aq]C[ko])
(;W[cs];B[dr])
(;W[ap])))
(;W[ar];B[aq]C[ko])
(;W[cs];B[es]
(;W[ar];B[bq]
(;W[ap];B[aq])
(;W[aq];B[ap]))
(;W[ap];B[aq])
(;W[aq];B[ap]
(;W[ar];B[bq])
(;W[bq];B[ar])))
(;W[ds];B[es]
(;W[ar];B[aq]C[ko])
(;W[ap];B[aq]
(;W[ao];B[ar])
(;W[ar];B[as]C[ko])
(;W[cs];B[ar]))
(;W[aq];B[ap]
(;W[ar];B[bq])
(;W[bq];B[ar])))
(;W[dr];B[ds]
(;W[ar];B[aq]C[ko])
(;W[ap];B[ar])
(;W[aq];B[ap])
(;W[cs];B[as])
(;W[es];B[cs]))
(;W[ap];B[aq]
(;W[ar];B[as]C[ko])
(;W[ds];B[es]
(;W[ao];B[ar])
(;W[ar];B[as]C[ko])
(;W[cs];B[ar]))
(;W[es];B[ds]
(;W[cs];B[as]C[ko])
(;W[dr];B[cs])
(;W[ar];B[as]C[ko])))
(;W[aq];B[ap]
(;W[es];B[ds]
(;W[dr];B[cs])
(;W[cs];B[dr]
(;W[ao];B[as])
(;W[ar];B[as])
(;W[bq];B[ar]))
(;W[ar];B[bq]
(;W[ao];B[as])
(;W[dr];B[cs])
(;W[cs];B[as]
(;W[ar];B[dr])
(;W[dr];B[ds]))))
(;W[ds];B[es]
(;W[ar];B[bq])
(;W[bq];B[ar]))
(;W[cs];B[es]
(;W[ar];B[bq])
(;W[bq];B[ar]))
(;W[ar];B[bq]
(;W[es];B[ds]
(;W[cs];B[as]
(;W[ar];B[dr])
(;W[dr];B[ds]))
(;W[ao];B[as]))
(;W[ds];B[es])
(;W[cs];B[es])
(;W[dr];B[ds]))))
(;B[dr];W[bq]
(;B[ar];W[aq]
(;B[ap];W[as]C[RIGHT])
(;B[cq];W[as]
(;B[br];W[ar]
(;B[ap];W[ao]C[RIGHT])
(;B[cs];W[ap]C[RIGHT])
(;B[ds];W[ap]C[RIGHT]))
(;B[cs];W[ds]C[RIGHT])
(;B[ds];W[ap]C[RIGHT])
(;B[ap];W[ao]
(;B[cs];W[ds]C[RIGHT])
(;B[br];W[ar]C[RIGHT])
(;B[ar];W[br]C[RIGHT]))))
(;B[aq];W[ar]C[RIGHT])
(;B[cq];W[ar]C[RIGHT]))
(;B[bq];W[es]
(;B[dr];W[ds]C[RIGHT])
(;B[ds];W[dr]C[RIGHT]))
(;B[ar];W[es]
(;B[dr];W[ds]C[RIGHT])
(;B[ds];W[dr]C[RIGHT]))
(;B[ds];W[bq]
(;B[ar];W[aq];B[ap];W[as]C[RIGHT])
(;B[aq];W[ar]C[RIGHT])
(;B[cq];W[ar]C[RIGHT])
(;B[ap];W[ar]C[RIGHT]))
(;B[es];W[bq]C[RIGHT])
(;B[cs];W[es]
(;B[dr];W[ds]C[RIGHT])
(;B[cq];W[ds]C[RIGHT]))
(;B[aq];W[es]
(;B[dr];W[ds]C[RIGHT])
(;B[ds];W[dr]C[RIGHT])))
(;W[es]
(;B[ds]
(;W[bs];B[cq]
(;W[ar];B[aq]C[ko])
(;W[cs];B[dr];W[ap];B[as];W[aq]C[RIGHT])
(;W[ap]))
(;W[cs];B[bs]
(;W[ap];B[cq]
(;W[aq])
(;W[ar])
(;W[dr]))
(;W[cq];B[bq])
(;W[dr];B[cq]
(;W[ap];B[ds])
(;W[ds];B[aq]))
(;W[aq];B[cq]
(;W[ap];B[ar])
(;W[ar];B[ap])
(;W[dr];B[ds]))
(;W[bq];B[cq])
(;W[ar];B[cq]
(;W[ap];B[aq]C[ko])
(;W[aq];B[ap])
(;W[dr];B[ds])))
(;W[dr];B[cq]
(;W[cs];B[bs]
(;W[ap];B[ds])
(;W[ds];B[aq]))
(;W[ap];B[cs]
(;W[aq];B[ar])
(;W[ar];B[aq]C[ko]))
(;W[aq];B[cs]
(;W[ar];B[ap])
(;W[ap];B[ar]))
(;W[ar];B[aq]
(;W[cs];B[bs])
(;W[bs];B[cs])))
(;W[ap]
(;B[cq]
(;W[aq];B[ar];W[bs]C[RIGHT])
(;W[ar];B[aq]C[ko])
(;W[cs];B[bs]
(;W[aq];B[ar])
(;W[ar];B[aq]C[ko])
(;W[dr];B[ds]))
(;W[bs]))
(;B[aq];W[dr]
(;B[cq];W[bq]C[RIGHT])
(;B[cs];W[bs]C[RIGHT])
(;B[bs];W[cs]
(;B[cq];W[bq]C[RIGHT])
(;B[ao];W[cq]C[RIGHT]))
(;B[ao];W[cs]
(;B[cq];W[bs]C[RIGHT])
(;B[bs];W[cq]C[RIGHT])))
(;B[cs];W[ar]C[RIGHT])
(;B[bs];W[ar]C[RIGHT]))
(;W[aq];B[ap]
(;W[bq];B[cq])
(;W[dr];B[cq];W[cs];B[bs]
(;W[ar];B[ds])
(;W[ds];B[ar]))
(;W[cs];B[bs]
(;W[cq];B[bq])
(;W[dr];B[cq]
(;W[ar];B[ds])
(;W[ds];B[ar]))
(;W[bq];B[cq])
(;W[ar];B[dr])
(;W[ao];B[dr]))
(;W[ar];B[dr]
(;W[bq];B[bs])
(;W[bs];B[bq]))
(;W[bs];B[cq]
(;W[dr];B[cs])
(;W[cs];B[dr]
(;W[ao];B[as])
(;W[ar];B[as])
(;W[bq];B[ar]))
(;W[ar];B[bq]
(;W[ao];B[as])
(;W[dr];B[cs])
(;W[cs];B[as]
(;W[ar];B[dr])
(;W[dr];B[ds]))))
(;W[cq];B[bq]))
(;W[ar];B[aq]
(;W[bs];B[as]C[ko])
(;W[cs];B[bs]
(;W[dr];B[cq])
(;W[cq];B[bq]))
(;W[dr];B[cq]
(;W[cs];B[bs])
(;W[bs];B[cs]))
(;W[cq];B[cs])))
(;B[cq];W[ds]C[RIGHT]))
(;W[cs];B[bs]
(;W[es];B[ds]
(;W[ap];B[cq])
(;W[cq];B[bq])
(;W[dr];B[cq]
(;W[ap];B[ds])
(;W[ds];B[aq]))
(;W[aq];B[cq]
(;W[ap];B[ar])
(;W[ar];B[ap])
(;W[dr];B[ds]))
(;W[bq];B[cq])
(;W[ar];B[cq]
(;W[ap];B[aq]C[ko])
(;W[aq];B[ap])
(;W[dr];B[ds])))
(;W[ap];B[cq]
(;W[aq];B[ar];W[es];B[ds])
(;W[ar];B[aq]C[ko]))
(;W[ar];B[aq]
(;W[es];B[cq])
(;W[cq];B[ds]))
(;W[aq];B[ap];W[es];B[cq]
(;W[ds];B[ar])
(;W[ar];B[ds])))
(;W[ds];B[es]
(;W[bs];B[bq])
(;W[ap];B[aq])
(;W[ar];B[aq])
(;W[aq];B[ap]
(;W[bq];B[cq])
(;W[ar];B[bq])
(;W[bs];B[ar])))
(;W[dr];B[es])
(;W[ap]
(;B[cq];W[aq];B[ar];W[ds]
(;B[dr];W[cs]C[RIGHT])
(;B[es];W[bs]C[RIGHT]))
(;B[bs];W[ar]C[RIGHT])
(;B[ar];W[es]C[RIGHT])
(;B[ds];W[ar]C[RIGHT])
(;B[aq]
(;W[ds];B[es])
(;W[cs];B[es])
(;W[bs];B[ds])
(;W[dr];B[es])
(;W[es]
(;B[dr];W[ds]C[RIGHT])
(;B[cs];W[ds]C[RIGHT])
(;B[cq]C[CHOICE]
(;W[ao];B[cs])
(;W[ds]C[RIGHT])
(;W[cs];B[bs]
(;W[dr];B[ds])
(;W[ds];B[ao])
(;W[ao];B[ds]))
(;W[dr];B[ao]
(;W[bs];B[as]C[ko])
(;W[cs];B[bs])
(;W[ds];B[bs]))
(;W[bs];B[ds]
(;W[cs];B[as]C[ko])
(;W[dr];B[cs])
(;W[ar];B[as]C[ko])))
(;B[ds];W[dr]
(;B[cq];W[bq]C[RIGHT])
(;B[cs];W[bs]C[RIGHT])
(;B[bs];W[cs]
(;B[cq];W[bq]C[RIGHT])
(;B[ao];W[cq]C[RIGHT]))
(;B[ao];W[cs]
(;B[cq];W[bs]C[RIGHT])
(;B[bs];W[cq]C[RIGHT]))))))
(;W[bq];B[cq]
(;W[ap];B[aq]
(;W[es];B[cs])
(;W[ds];B[es])
(;W[bs];B[ds];W[ar];B[as]))
(;W[es];B[cs])
(;W[cs];B[bs])
(;W[aq];B[ar]
(;W[es];B[cs])
(;W[cs];B[ds])
(;W[ds];B[es])
(;W[ap];B[ao]))
(;W[bs];B[aq]
(;W[es];B[ds])
(;W[ar];B[as])
(;W[cs];B[ds])))
(;W[aq];B[ap];W[es];B[ds]
(;W[bq];B[cq])
(;W[dr];B[cq];W[cs];B[bs]
(;W[ar];B[ds])
(;W[ds];B[ar]))
(;W[cs];B[bs]
(;W[cq];B[bq])
(;W[dr];B[cq]
(;W[ar];B[ds])
(;W[ds];B[ar]))
(;W[bq];B[cq])
(;W[ar];B[dr])
(;W[ao];B[dr]))
(;W[ar];B[dr]
(;W[bq];B[bs])
(;W[bs];B[bq]))
(;W[bs];B[cq])
(;W[cq];B[bq])))
(;B[dr];W[ar];B[br];W[bq];B[bs];W[cs]
(;B[cq];W[as];B[br];W[bs];B[ap];W[es]C[RIGHT])
(;B[ap];W[as]C[RIGHT]))
(;B[ds];W[ar];B[aq];W[br]C[RIGHT])
(;B[aq];W[es]
(;B[br];W[ds]
(;B[cq];W[bs]C[RIGHT])
(;B[bs];W[cq]C[RIGHT]))
(;B[ds];W[dr];B[br];W[cs]
(;B[bs];W[cq]C[RIGHT])
(;B[cq];W[bs]C[RIGHT])))
(;B[es];W[ar]C[RIGHT]))
(;W[es];B[cr]
(;W[cs];B[bs]
(;W[br];B[ds])
(;W[ds];B[br])
(;W[ap];B[bq])
(;W[bq];B[ap]
(;W[ds];B[br])
(;W[br];B[ds])))
(;W[br];B[bs]
(;W[ds];B[ar])
(;W[ar];B[bq])
(;W[aq];B[bq])
(;W[bq];B[ap])
(;W[ap];B[bq]))
(;W[ds];B[bq])
(;W[bq];B[ap]
(;W[cs];B[bs]
(;W[ds];B[br])
(;W[br];B[ds]))
(;W[ds];B[br])
(;W[br];B[bs]))
(;W[ap];B[bq]))
(;W[bq];B[br]
(;W[es];B[cq])
(;W[ap];B[cq]
(;W[ar];B[aq]C[ko])
(;W[aq];B[ar]))
(;W[aq];B[ap])
(;W[cr];B[cq]
(;W[ap];B[aq]
(;W[es];B[cs])
(;W[ds];B[es])
(;W[bs];B[ds];W[ar];B[as]))
(;W[es];B[cs])
(;W[cs];B[bs])
(;W[aq];B[ar]
(;W[es];B[cs])
(;W[cs];B[ds])
(;W[ds];B[es])
(;W[ap];B[ao]))
(;W[bs];B[aq]
(;W[es];B[ds])
(;W[ar];B[as])
(;W[cs];B[ds]))))
(;W[aq];B[ap]
(;W[es];B[cr])
(;W[cr];B[br];W[es];B[ds])
(;W[br];B[cr])
(;W[ds];B[cr])
(;W[cs];B[cr]))
(;W[br];B[cr]
(;W[bq];B[ap]
(;W[es];B[ds]
(;W[bs];B[aq];W[ar];B[cs])
(;W[ar];B[cq]))
(;W[ds];B[es]
(;W[bs];B[cs])
(;W[cs];B[aq]
(;W[ar];B[bs])
(;W[bs];B[ar])
(;W[cq];B[dr])))
(;W[bs];B[es]
(;W[cs];B[aq]
(;W[ar];B[ds])
(;W[cq];B[ar]
(;W[dr];B[ds]C[ko])
(;W[ds];B[dr])
(;W[ao];B[dr])))
(;W[aq];B[cs])
(;W[cq];B[cs]
(;W[dr];B[ds]
(;W[ao];B[aq])
(;W[aq];B[ar]))
(;W[aq];B[ar])))
(;W[ar];B[es];W[cs];B[ds])
(;W[cs];B[ds]
(;W[bs];B[es]
(;W[cq];B[aq]C[ko])
(;W[aq];B[ar]))
(;W[es];B[bs])))
(;W[ap];B[aq])
(;W[es];B[bq];W[cs];B[ds]C[ko])
(;W[ds];B[bq]
(;W[cs];B[ar]
(;W[bs];B[es])
(;W[es];B[bs]))
(;W[es];B[cs]
(;W[bs];B[ar])
(;W[dr];B[ar])
(;W[ap];B[ar])
(;W[aq];B[ap]))
(;W[ap];B[aq]
(;W[cs];B[ar])
(;W[es];B[cs]))
(;W[aq];B[ap]
(;W[cs];B[ar])
(;W[es];B[cs]))))
(;W[ar];B[cr]
(;W[ap];B[bq])
(;W[es];B[bq])
(;W[bq];B[ap])
(;W[br];B[bq]))
(;W[ap];B[ar]
(;W[cr];B[es]
(;W[br];B[aq];W[ao];B[bq];W[bs];B[dr])
(;W[aq];B[bq])
(;W[bs];B[bq]))
(;W[br];B[aq]
(;W[es];B[cr]
(;W[cs];B[bs];W[as];B[bq])
(;W[bq];B[ao];W[cs];B[ds]C[ko]))
(;W[cr];B[es];W[ao];B[bq];W[bs];B[dr]))
(;W[aq];B[bq])
(;W[es];B[cr]
(;W[aq];B[bq])
(;W[bq];B[br])
(;W[bs];B[br])
(;W[cs];B[bs])
(;W[br];B[bq])
(;W[ds];B[bs]))
(;W[bq];B[aq]
(;W[ao];B[br]
(;W[es];B[cr])
(;W[cr];B[cq]
(;W[es];B[ds])
(;W[ds];B[es])
(;W[cs];B[es]))
(;W[ds];B[es]))
(;W[es];B[cr]
(;W[cs];B[bs])
(;W[br];B[ao];W[cs];B[ds]C[ko]))
(;W[br];B[ao])
(;W[cr];B[es];W[ao];B[br]))
(;W[bs];B[cr]
(;W[bq];B[br])
(;W[ds];B[es])
(;W[es];B[cs]))
(;W[ds];B[cr])
(;W[cs];B[cr])))
Toggle next/previous buttons