invalid problem set
Problem | 2984 |
Created | 2003-09-19 |
Name | overcome the pitfalls |
Source | GZP middle 542 |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 57 secs |
User Attempts |
109 / 2398 |
Solve Ratio Rating | 5 dan |
| rating history |
White seems weak. However, with the additional 2 white stones (no other ladder breaker) black is short of
liberties. Things seem complicated.
(;AW[bp]AW[cp]AW[dp]AW[eo]AW[dn]AW[dm]AW[cl]AW[bl]AW[hm]AW[jr]AB[cm]AB[cn]AB[co]AB[do]AB[en]AB[fn]AB[gn]AB[in]C[How to connect the black groups? White's shape doesn't look good. However, blackonly has 3 liberties.]SZ[19]
(;B[ep];W[fo];B[fp];W[go]
(;B[ho];W[gp];B[gq];W[hp];B[iq]
(;W[io]C[CHOICE];B[hn];W[ip]
(;B[jp];W[jo];B[jn];W[ko];B[dl];W[em];B[el];W[fm]
(;B[gm];W[fl];B[fk];W[gl]
(;B[hk];W[hl];B[il];W[ek];B[dk];W[gk];B[gj];W[fj];B[im];W[fk];B[fi]C[RIGHT])
(;B[hl];W[gk])
(;B[gk];W[hl];B[ik];W[bo]))
(;B[fl];W[gm];B[il];W[bo]))
(;B[dl];W[em];B[el];W[fm];B[gm];W[fl];B[fk];W[gl];B[hk];W[hl];B[il];W[im];B[jn];W[jm])
(;B[jn];W[bo]))
(;W[fq];B[eq];W[hq];B[hr];W[gr];B[ip]C[RIGHT]))
(;B[hp];W[ho];B[hn];W[io];B[dl];W[em];B[el];W[fm];B[gm];W[fl];B[fk];W[gl];B[hk];W[hl];B[il];W[im]))
(;B[dl];W[em];B[el];W[fm]
(;B[ep];W[fo];B[fp];W[go];B[ho];W[gp];B[gq];W[hp];B[iq];W[hn])
(;B[gm];W[fl];B[fk];W[gl];B[hk];W[hl];B[ep];W[fo];B[fp];W[go];B[hn];W[bo]))
(;B[hn];W[bo];B[ep];W[fo];B[fp];W[go];B[dl];W[em];B[el];W[fm];B[gm];W[fl];B[fk];W[gl];B[hl];W[gk];B[gj];W[hk]))
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