invalid problem set
Problem | 21988 |
Created | 2018-07-01 |
Name | Q20 第二å番 |
Source | Original (オリジナル) |
Rating | |
Difficulty | 4.6 dan |
Average Solve Time | 60 secs |
User Attempts |
57 / 251 |
Solve Ratio Rating | 2 kyu |
| rating history |
20. Black first to live (黒先活).
Difficulty level 1 at mimura15.jp
(;AB[br]AB[bp]AB[cp]AB[dq]AW[bq]AW[cr]AW[bn]AW[cn]AW[dn]AW[fn]AW[gm]AW[fp]AW[fq]AW[fr]AP[goproblems]
(;B[bs];W[dr];B[cq]C[RIGHT])
(;B[aq];W[dr];B[cq];W[bs]
(;B[as];W[ar])
(;B[er];W[eq];B[as];W[ar]))
(;B[ar];W[dr];B[cq];W[bs])
(;B[cs];W[ar];B[bs];W[ds])
(;B[cq];W[bs];B[aq];W[dr])
(;B[dr];W[ar];B[bs];W[ap]
(;B[cq];W[ao];B[aq])
(;B[ao];W[bo]
(;B[aq])
(;B[cq];W[an];B[aq])))
(;B[er];W[bs];B[ar];W[dr]))
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