invalid problem set
Problem | 19545 |
Created | 2015-04-19 |
Name | 031 - 123 |
Source | Yi Ch'ang-ho's Selected Life and Death Go Problems |
Rating | |
Difficulty | 2.8 kyu |
Average Solve Time | 96 secs |
User Attempts |
305 / 945 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;AB[cs]AB[ds]AB[es]AB[er]AB[eq]AB[dp]AB[do]AB[en]AB[cn]AB[cm]AB[am]AB[bm]AB[aq]AW[as]AW[bs]AW[br]AW[cr]AW[dr]AW[dq]AW[cp]AW[co]AW[bn]AW[an]AP[goproblems]
(;W[bq]
(;B[bp]C[CHOICE]
(;W[bo];B[ap]C[Seki - This variation is not in the book. Thank you Blyx, corrected.RIGHT])
(;W[ap];B[ao]))
(;B[bo]
(;W[ap]LB[bp:A]C[RIGHT];B[ao];W[bp]C[RIGHT])
(;W[bp];B[ap];W[ao];B[bo]))
(;B[ao]
(;W[bo]C[RIGHT])
(;W[ap];B[bp])))
(;W[ap]
(;B[bp]C[CHOICE]
(;W[bo];B[ao])
(;W[bq];B[ao]))
(;B[bo]C[Mistake by Black];W[bp]C[Mistake by Black];B[ao];W[bq]C[]))
(;W[bo];B[bq]
(;W[cq];B[ap]
(;W[ar];B[bp];W[ao];B[bq])
(;W[bp];B[ar];W[ao];B[aq])
(;W[ao]
(;B[bp];W[ar];B[bq])
(;B[ar];W[bp];B[aq])))
(;W[ap];B[bp]))
(;W[bp];B[ap]
(;W[bq];B[bo]
(;W[ao];B[bo])
(;W[ar];B[cq]))
(;W[ao];B[bo])
(;W[bo];B[bq]
(;W[ar];B[cq])
(;W[cq];B[ar];W[ao];B[aq])
(;W[ao];B[cq])))
(;W[ao];B[bp];W[bo];B[bq]
(;W[ap];B[cq])
(;W[cq];B[ap];W[ar];B[bq])
(;W[ar];B[ap];W[cq];B[bq]))
(;W[cq];B[bo];W[bp];B[ao]))
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