invalid problem set
Problem | 17820 |
Created | 2014-08-04 |
Name | maracana 1st problem |
Source | kgs: maraca[5k] vs. taisha1[4k] |
Rating | |
Difficulty | 1.2 kyu |
Average Solve Time | 43 secs |
User Attempts |
400 / 1182 |
Solve Ratio Rating | 5 kyu |
| rating history |
White just played the marked stone which was a mistake. How can black punish white? (only a quarter of the board is displayed)
(;AB[bq]AB[aq]AB[cq]AB[bp]AB[dq]AB[eq]AB[fq]AW[ap]AW[ao]AW[bo]AW[co]AW[cp]AW[dp]AW[ep]AW[fo]AW[fn]AW[fm]AW[el]AW[ek]AW[cl]AB[cn]AB[bn]AB[fp]AB[bs]AB[dr]AW[gp]AW[er]AW[fr]AW[gr]AW[hq]AW[hp]AW[ho]AW[hn]AW[hm]AB[go]AB[gn]AB[gm]AB[gl]AB[fl]AB[hl]AB[hk]AB[ik]AW[il]AW[in]AB[io]AB[ip]TR[ek]AP[goproblems](;B[dn](;W[en](;B[eo];W[do];B[an]C[RIGHT])(;B[an];W[eo])(;B[do];W[eo])(;B[em];W[dm](;B[eo];W[do];B[an]C[RIGHT])(;B[an];W[eo])))(;W[eo];B[em]C[RIGHT])(;W[em];B[eo]C[RIGHT]))(;B[eo](;W[dn](;B[an];W[do](;B[dm]C[RIGHT])(;B[em];W[dm]C[White sacrifies 3 stones.]))(;B[em];W[dm](;B[en];W[do]C[White sacrifies 3 stones.])(;B[an];W[do]C[White sacrifies 3 stones.]))(;B[en];W[em])(;B[dm]C[RIGHT]))(;W[en];B[an]C[RIGHT]))(;B[em];W[dn](;B[dm];W[cm](;B[en](;W[bm](;B[do];W[an]C[White escapes with the big part.])(;B[eo];W[an]C[White sacrifies 3 stones.]))(;W[eo]C[White can fight an all-out ko]))(;B[eo];W[bm]C[White sacrifies 3 stones.])(;B[an];W[eo]))(;B[eo];W[dm])(;B[an];W[eo]))(;B[an];W[eo])(;B[en];W[em])(;B[dm];W[em];B[eo];W[en]))
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