invalid problem set
Previous
|
Next
|
|
|
life and death
|
|
|
|
Next
|
Problem | 2591 |
Created | 2003-06-16 |
Source | GO (Dutch Go journal) |
Rating | |
Difficulty | 3.6 dan |
Average Solve Time | 46 secs |
User Attempts |
312 / 2549 |
Solve Ratio Rating | 2 dan |
| rating history |
Black to live
(;AW[go]AW[bp]AW[cp]AW[dp]AW[ep]AW[cq]AW[fq]AW[gq]AW[gr]AW[gs]AB[bq]AB[dq]AB[eq]AB[cr]AB[er]AB[fr]
(;B[ar];W[bs]
(;B[fs];W[br]
(;B[ds];W[aq];B[cs]C[RIGHT])
(;B[aq];W[cs]
(;B[ds]C[ko])
(;B[dr];W[ds]))
(;B[cs];W[aq];B[ds]C[RIGHT]))
(;B[cs];W[es])
(;B[br];W[es])
(;B[es];W[br])
(;B[ds];W[fs]
(;B[es];W[br])
(;B[br];W[es])
(;B[cs];W[es])))
(;B[br];W[es]
(;B[ds];W[fs]
(;B[dr];W[aq];B[ar];W[bs])
(;B[bs];W[dr])
(;B[aq];W[dr]))
(;B[aq];W[ds]
(;B[cs];W[as])
(;B[dr];W[fs]
(;B[cs];W[as])
(;B[as];W[cs]))
(;B[as];W[cs])
(;B[fs];W[dr]))
(;B[dr];W[fs]
(;B[ds];W[aq];B[ar];W[bs])
(;B[aq];W[ds];B[cs];W[as])))
(;B[aq];W[es]
(;B[bs];W[ds]
(;B[ar];W[cs])
(;B[cs];W[ar])
(;B[dr];W[fs]
(;B[ar];W[cs])
(;B[cs];W[ar])))
(;B[ds];W[fs]
(;B[bs];W[dr]
(;B[ar];W[cs]C[ko])
(;B[cs];W[ar]))
(;B[dr];W[br])
(;B[br];W[dr]))
(;B[dr];W[fs]
(;B[bs];W[ds]
(;B[ar];W[cs])
(;B[cs];W[ar]))
(;B[br];W[ds]
(;B[cs];W[as])
(;B[as];W[cs]))))
(;B[bs];W[aq]
(;B[ar];W[br]C[only ko])
(;B[br];W[ds]
(;B[ar];W[es])
(;B[es];W[ar]))
(;B[ds];W[fs]
(;B[br];W[es]
(;B[ar];W[dr])
(;B[dr];W[ar]))
(;B[es];W[br])
(;B[ar];W[br]C[ko]))
(;B[fs];W[ds]
(;B[br];W[ar])
(;B[ar];W[br]C[ko])
(;B[dr];W[br])))
(;B[ds];W[fs]
(;B[es];W[br])
(;B[bs];W[aq]
(;B[ar];W[br]C[ko])
(;B[br];W[es]
(;B[ar];W[dr])
(;B[dr];W[ar]))
(;B[es];W[br]))
(;B[ar];W[bs]
(;B[es];W[br])
(;B[br];W[es]))
(;B[br];W[es]C[The corner is too small for two eyes.]
(;B[dr];W[aq])
(;B[bs];W[dr])
(;B[aq];W[dr])))
(;B[fs];W[ds]
(;B[ar];W[dr]
(;B[bs]C[RIGHT])
(;B[cs];W[es];B[bs]C[RIGHT]))
(;B[bs];W[aq]
(;B[br];W[ar])
(;B[ar];W[br]C[ko]))
(;B[br];W[dr];B[cs];W[es]C[Not enough room for two eyes.])
(;B[cs];W[br])
(;B[dr];W[br]))
(;B[es];W[br]))
Toggle next/previous buttons