invalid problem set
Problem | 19110 |
Created | 2015-02-22 |
Name | Ladder-Building |
Source | Elementary Go Series, Volume 3 |
Rating | |
Difficulty | 10.6 kyu |
Average Solve Time | 50 secs |
User Attempts |
579 / 1349 |
Solve Ratio Rating | 7 kyu |
| rating history |
(;AW[br]AW[bq]AW[bp]AW[co]AW[dp]AW[dq]AW[er]AB[bo]AB[bn]AB[cp]AB[cq]AB[cr]AB[dr]C[Only two liberties! Black to play.]AP[goproblems]
(;B[do];W[cn]
(;B[eq];W[ep]
(;B[eo]C[Black 5 threatens A and B.RIGHT]LB[cm:A]LB[fp:B]LB[do:1]LB[co:2]LB[eq:3]LB[ep:4]LB[eo:5];W[fp];B[cm];W[dn];B[en];W[dm];B[dl];W[em];B[fm];W[el]C[LadderRIGHT])
(;B[cm]C[RIGHT];W[dn];B[eo];W[fp];B[en];W[dm];B[dl];W[em];B[fm];W[el]C[RIGHT]))
(;B[cm];W[dn];B[eq];W[ep];B[eo]C[RIGHT];W[fp];B[en];W[dm];B[dl];W[em];B[fm];W[el]C[RIGHT])
(;B[dn];W[cm]C[CHOICE];B[eq];W[ep];B[fq];W[ds])
(;B[eo];W[ds])
(;B[ep];W[eq]
(;B[es];W[cs])
(;B[fq];W[ds])
(;B[dn];W[cm])))
(;B[dn];W[do]
(;B[eq];W[ds])
(;B[bs];W[ds]))
(;B[cn];W[do])
(;B[ap];W[cs])
(;B[eq];W[ds]))
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