(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[7.50]PW[Chen Yaoye]PB[Lee Sedol]WR[9p]BR[9p]DT[2013-06-17]EV[9th Chunlan Cup]SO[gokifu.com]RE[W+Resign]BC[kr]WC[cn];B[pd];W[dp];B[pq];W[dd];B[qk](;W[nc];B[pf];W[qc];B[pc];W[pb];B[ob];W[qb];B[oc];W[re];B[rf];W[qe];B[qf];W[nb]C[white does not push one more time because he already has the corner and it's not usefull to reenforce black outside];B[na];W[jc];B[nd];W[mp];B[op];W[jp];B[fc];W[cf];B[id]LB[db:B][dc:A]C[A joseki is also possible. B is possible too];W[ic];B[hd];W[md];B[jd];W[kd];B[ke];W[lc];B[le];W[me];B[pe];W[mf];B[se]C[black shoud tobi toward the center](;W[kg];B[oa];W[jf];B[gg]C[black spent too many stones to have the corner but white influence is bigger];W[fe];B[hc];W[hf];B[db];W[cb];B[kb];W[kc];B[je];W[lg];B[jh];W[hg];B[eb];W[dc];B[bb];W[ca];B[gb];W[ii];B[cn];W[cl];B[cq];W[dq];B[cp];W[do];B[dn];W[co];B[bo];W[bp];B[bq];W[bn];B[ap];W[bm];B[en];W[cr];B[br];W[gp];B[cg];W[dg];B[dh];W[ch];B[bg];W[bh];B[hn];W[el];B[hp];W[hq];B[gq];W[fq];B[iq];W[gr];B[ip];W[gn];B[hm];W[jn];B[jl];W[go];B[hj];W[kj];B[jj];W[ji];B[ij];W[kk];B[kl];W[ho];B[hi];W[ki];B[ml];W[eg];B[nn];W[mn];B[mm];W[nq];B[or];W[nr];B[ln];W[io];B[nj];W[qr];B[qq];W[gl];B[hh];W[ih];B[ko];W[kp];B[gm];W[fm];B[fk];W[pr];B[oq];W[os];B[dj];W[eh];B[dl];W[dk];B[ek];W[dm];B[ck];W[fl];B[dl];W[cm];B[hl];W[rr];B[bf];W[bc];B[di];W[be];B[rq];W[sq];B[sp];W[sr];B[rp];W[nh];B[oi];W[og];B[pg];W[oh];B[ph];W[gd];B[ib];W[jb];B[ja];W[lb];B[fd];W[ge];B[gc];W[ka];B[ia];W[dr];B[bk];W[gk];B[bi];W[af];B[fi];W[bs];B[ar];W[ei];B[fj];W[dk];B[ci];W[ag];B[ej];W[mo];B[mi];W[da];B[ea];W[mk];B[nk];W[mj];B[mh];W[of];B[ni];W[ma];B[kn];W[jm];B[jo];W[il];B[im];W[hk];B[ik];W[in];B[il];W[km];B[lm];W[lk];B[ll];W[lo];B[dl];W[am];B[fn];W[em];B[al];W[ec];B[fa];W[oe])(;W[rd];B[pa];W[qa];B[rb]C[ko fight]))(;W[mq];B[po];W[jq];B[fc];W[cf];B[jd]LB[nc:A]C[black does not play like this anymore beacause of the san san invasion. SO black replies A. He can choose to play A without approaching left top corner];W[qf]C[white does not approach from this side];B[qe];W[pf];B[nd];W[qi];B[rf]C[white does not have any base of life]))
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