(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[6.50]PW[佐佐木正]PB[大桥拓文]WR[八段]BR[六段]DT[2013-02-07]EV[38th Japanese Gosei]SO[gokifu.com]RE[黑胜白]BC[ja]WC[ja];B[nf];W[dp];B[ln];W[qj];B[fd];W[po];B[dl]SQ[je][eh][mj][hm]C[it's not a random fuseki. If black gets this points, he is almost connected](;W[ce](;B[fq];W[eo];B[cc];W[ch];B[hp]C[white kosumi is solid or not yet alive ?];W[nc];B[gm](;W[kc];B[dr];W[cm];B[cl];W[dm];B[em];W[en];B[fm];W[bm];B[cq];W[bk]C[white lives small. Where should black play ?](;B[ql];W[ol];B[pk];W[pf];B[od];W[qd];B[oc];W[nd];B[ne];W[nb];B[qc];W[rc];B[ph];W[mo];B[jc];W[jb];B[ib];W[ic];B[jd];W[hb];B[kb];W[ia];B[lc];W[ec];B[dd];W[fc];B[de];W[cf];B[eg];W[qh];B[rd];W[re];B[qe];W[sd];B[pd];W[rd];B[qq];W[oq];B[ro];W[kp];B[ci];W[cj];B[dh];W[di];B[cg];W[bi];B[bg];W[gd];B[fe];W[cb];B[bl];W[al];B[co];W[bh];B[jq];W[kq];B[lo];W[lp];B[jr];W[bc];B[bd];W[bb];B[cd];W[qb];B[ob];W[fh];B[hf];W[ek];B[bo];W[do];B[el];W[gk];B[jn];W[mn];B[lm];W[qr];B[rr];W[qp];B[pq];W[pr];B[rp];W[pp];B[rq];W[nr];B[pn];W[pm];B[qn];W[on];B[hh];W[ka];B[lb];W[ie];B[md];W[je];B[kd];W[he];B[ge];W[gg];B[hd];W[id];B[gc];W[gb];B[hg];W[eh];B[dg];W[pi];B[rk];W[gf];B[ed];W[dc];B[jg];W[kf];B[ik];W[le];B[dk];W[dj];B[fk];W[fj];B[ej];W[fi];B[gj];W[ld];B[na];W[hi];B[gi];W[gh];B[hj];W[ii];B[ji];W[ij];B[hk];W[jj];B[ki];W[kj];B[lj];W[lk];B[kk];W[jk];B[kl];W[jl];B[ih])(;B[pq](;W[qq];B[qr];W[qp];B[or];W[pl]C[easy for white])(;W[np];B[oo];W[op];B[pp];W[qo];B[qp]C[dangerous for white]))(;B[pl];W[ql];B[qm];W[pm];B[pn];W[om];B[rl];W[qk];B[qn];W[on];B[qo];W[qp];B[pp];W[oo];B[qq];W[rp];B[rq];W[op];B[pq];W[nj]C[black group his separated and white is strong on the center]))(;W[eq];B[fp];W[bo]LB[cn:A]C[A is more common but on this situation where black already enclosed white, playing A can lead to san-san invasion and try something]))(;B[cc];W[ch];B[ic]TR[nf][dl]C[common joseki will be useless for black because it will be hard to use those two marked stones])(;B[dd];W[cd];B[cc];W[bc];B[bb];W[cb];B[dc];W[ab];B[df];W[ba];B[de]C[white get corner and black thickness]))(;W[pq];B[mj];W[nh];B[mh](;W[mg];B[ng];W[mi];B[lh];W[ni];B[li])(;W[mi];B[li];W[mg];B[ni]C[powerful ponuki])))