(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[19]KM[0.00] SO[http://gogameguru.com/]AW[ek][bm][cm][dn][co][cp][dp][cq]AB[bn][cn][bo][do][eo][ep][eq][iq]C[Black to play. http://gogameguru.com/] (;B[dm] ;W[en] (;B[cl] ;W[bl] ;B[bk] (;W[ck] ;B[dl] ;W[bj] (;B[fm] (;W[fn] ;B[gn] ;W[fo] ;B[go] ;W[fp] ;B[fq] ;W[gp] ;B[hp] ;W[gq] ;B[gr]C[RIGHT]) (;W[bp] ;B[fn] ;W[ao] ;B[em]LB[dk:C][an:A][dn:B]C[RIGHT. White will continue with A or B, but this result is satisfactory for black. Later black can push through with C.])) (;B[dk] ;W[bp] (;B[cj] ;W[ao] ;B[fn] ;W[em] ;B[fk] ;W[fm] ;B[gm] ;W[gn] ;B[fo] ;W[gl] ;B[hm] ;W[ej]C[Black can try to squeeze, but he can't hold white in.]) (;B[ak] ;W[ao])) (;B[am] ;W[ak] ;B[fm] ;W[bp] ;B[fn] ;W[ao] ;B[em]LB[dk:B][al:A]C[RIGHT, but note that white can still connect under by playing A next, so black shouldn't have ataried on the first line. Black would prefer to atari at B later instead.])) (;W[dl] ;B[em] ;W[fn] ;B[fm] ;W[gn] ;B[ck]C[RIGHT])) (;B[bl] (;W[cl] ;B[dl] ;W[ck] ;B[fm] (;W[fn] ;B[gn] ;W[fo] ;B[go] ;W[fp] ;B[fq] ;W[gp] ;B[hp] ;W[gq] ;B[gr]C[RIGHT]) (;W[bp] ;B[fn] ;W[an] ;B[em]LB[dn:B][ao:A]C[RIGHT. White will continue with A or B, but this result is satisfactory for black.])) (;W[dl] ;B[em] ;W[fn] ;B[fm] ;W[gn] ;B[cl]C[RIGHT])) (;B[fn] ;W[em] ;B[dl] ;W[el] (;B[dk] ;W[bp]) (;B[bl] ;W[cl] ;B[dk] ;W[ck]) (;B[cl] ;W[bl] ;B[ck] ;W[bk])) (;B[dl] ;W[bp] ;B[fn] ;W[em] ;B[el] ;W[fm] ;B[gm] ;W[fl] ;B[fk] ;W[gl] ;B[hl] ;W[gk]C[This ladder doesn't work.]) (;B[em] ;W[fn] ;B[cl] ;W[bl] ;B[bk] ;W[ck] (;B[dl] ;W[bj]) (;B[al] ;W[dl] ;B[am] ;W[cl] ;B[bj] ;W[an] (;B[ak] ;W[bp]C[Black can escape along the edge with a heavy group, but white can still live easily in the corner and attack black's group.]) (;B[ao]C[Capturing like this is nearly always a mistake.] ;W[ak]C[Now white can throw in here too. Unless black has some stones that can help in the top left (unlikely), black's cutting stones will be captured now.]))) (;B[fm] ;W[em] ;B[dl] ;W[el] ;B[cl] ;W[bl] ;B[bk] ;W[ck]) (;B[el] ;W[dl] ;B[em] ;W[fn] ;B[cl] ;W[bl] ;B[dk] ;W[bk])) (;B[en] ;W[dm]))