invalid problem set
Problem | 20387 |
Created | 2015-09-25 |
Name | 042 - 123 |
Source | Yi Ch'ang-ho's Selected Tesuji Go Problems |
Rating | |
Difficulty | 7.7 kyu |
Average Solve Time | 46 secs |
User Attempts |
453 / 1360 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;AB[cs]AB[cr]AB[cq]AB[cp]AB[bo]AB[bn]AB[bm]AB[bl]AW[bs]AW[br]AW[bq]AW[bp]AW[co]AW[cn]AW[cm]AW[cl]AW[ck]AW[bk]AB[ep]AB[gp]AP[goproblems]
(;B[ao];W[al]
(;B[ap];W[am]
(;B[aq];W[ak]
(;B[ar]C[RIGHT])
(;B[as]C[RIGHT]))
(;B[ar];W[ak];B[aq]C[RIGHT]))
(;B[aq];W[am]
(;B[ap];W[ak]
(;B[ar]C[RIGHT])
(;B[as]C[RIGHT]))
(;B[ar];W[ak];B[ap]C[RIGHT])
(;B[as];W[ar]))
(;B[ar];W[am]
(;B[aq];W[ak];B[ap]C[RIGHT])
(;B[ap];W[ak];B[aq]C[RIGHT])))
(;B[aq]
(;W[ar]C[CHOICE]
(;B[ap];W[ao]
(;B[aq];W[an])
(;B[an];W[ap]))
(;B[ao];W[ap]))
(;W[ao]C[wrong move for White];B[an]
(;W[ar])
(;W[al];B[ap];W[ak];B[ar];W[am])))
(;B[ap];W[ao];B[an];W[aq];B[ar];W[ao]C[ko])
(;B[ar];W[ao];B[an];W[aq]C[ko])
(;B[al];W[ao]
(;B[an];W[ap];B[aq];W[ak])
(;B[ap];W[an]
(;B[am];W[ao]
(;B[an];W[ak])
(;B[aq];W[ak];B[an];W[ao]))
(;B[aq];W[ak]
(;B[am];W[ao];B[an];W[ao])
(;B[ar];W[am])))
(;B[aq];W[ak];B[ar];W[an])
(;B[ar];W[ak];B[aq];W[an]))
(;B[am];W[ak];B[ap];W[al];B[aq];W[ao]))
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