invalid problem set
Problem | 19444 |
Created | 2015-04-13 |
Name | 060 - 123 |
Source | Yi Ch'ang-ho's Selected Life and Death Go Problems |
Rating | |
Difficulty | 15.5 kyu |
Average Solve Time | 33 secs |
User Attempts |
1027 / 2472 |
Solve Ratio Rating | 7 kyu |
| rating history |
(;AB[cs]AB[cr]AB[cq]AB[cp]AB[co]AB[bo]AB[ap]AW[bq]AW[ao]AW[an]AW[bn]AW[cn]AW[dn]AW[do]AW[dp]AW[dq]AW[dr]AW[ds]AP[goproblems]
(;B[ar]
(;W[br]C[CHOICE];B[bs]LB[bp:A]LB[aq:B]C[RIGHT])
(;W[bp];B[aq]C[RIGHT])
(;W[aq];B[br];W[bp];B[ap]C[RIGHT]))
(;B[br];W[ar]
(;B[bp];W[bs]LB[aq:A]C[Black cannot play at A];B[as]C[ko])
(;B[bs];W[aq]))
(;B[bp];W[br];B[bs];W[ar])
(;B[aq];W[ar];B[bp];W[br])
(;B[as];W[aq]
(;B[bp];W[br]
(;B[ar];W[bs])
(;B[bs];W[ar]))
(;B[br];W[bp];B[ar];W[ap])
(;B[ar];W[bp];B[br];W[ap]))
(;B[bs];W[aq];B[bp];W[ar]
(;B[as];W[br])
(;B[br];W[as])))
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