(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[7.50]PW[Lee Sedol]PB[Chen Yaoye]WR[9p]BR[9p]DT[2013-06-19]EV[9th Chunlan Cup]SO[gokifu.com]RE[W+Resign]BC[cn]WC[kr];B[pd];W[dd];B[pq];W[dp];B[ql]LB[po:A]C[this move is leave less space for white to play A](;W[qf];B[qe];W[pf];B[nd](;W[pi]LB[po:A]C[with his stone on the right side, white can reduce black territory playing A];B[ni]C[what does this move mean ?](;W[mf];B[ld];W[jq];B[ok];W[qj];B[qk]LB[pl:A]C[if black plays elsewhere, white cut at A and ladder is good for white because of his bottom stone](;W[mp];B[ng];W[re];B[rd];W[rf];B[nf];W[gc];B[cn];W[fp];B[dj];W[jc];B[op];W[ce]LB[ch:A]C[if white plays A, black invade san san point](;B[cq];W[cp];B[bp]C[which side should white play ?];W[dq]C[this side is better because black has a stone on the fourth line the other side. So it would be harder to attack that stone](;B[br];W[cr];B[bq];W[mn];B[gp];W[gq];B[hq];W[hp];B[go];W[hr];B[rj];W[ri];B[sk]C[white is locally alive or not ?];W[oj](;B[rh];W[qh];B[si];W[nj];B[qi];W[mi];B[mh];W[ri]C[why black left white go outside ?];B[li];W[mj];B[cg];W[on];B[po];W[dk];B[ej];W[cj];B[ci];W[bi];B[dh];W[bh];B[ck];W[bj];B[dc];W[ec];B[cc];W[eb];B[bf];W[be];B[ae];W[cl];B[ek];W[dl];B[bd];W[je];B[bm];W[bl];B[kb];W[jb];B[mq];W[oe];B[ne];W[qc];B[pc];W[qd];B[qb];W[rc];B[rb];W[pe];B[lp];W[dr];B[co];W[eg];B[df];W[ee];B[ef];W[fg];B[ff];W[gg];B[cd];W[de];B[fe];W[gj];B[he];W[ed];B[dg];W[ig];B[jf];W[if];B[hc];W[hb];B[ie];W[kd];B[ke];W[jd];B[lc];W[kf];B[kh];W[jh];B[gk];W[lq];B[mo];W[np];B[kq];W[lr];B[mr];W[pn];B[no];W[qn];B[qi];W[nn];B[ln];W[ri];B[ml];W[nl];B[qi];W[od];B[mm];W[oc];B[ol];W[kj];B[nc];W[ob];B[pg];W[og];B[oh];W[ph];B[of];W[nm];B[nk];W[mk];B[kl];W[ri];B[kg];W[jg];B[qi];W[qp];B[qq];W[ri];B[fq];W[iq];B[qi];W[rq];B[rm];W[mg];B[nb];W[la];B[pj];W[qg])(;B[nj];W[qh]C[white is alive]))(;B[bq]C[when black plays like that, he leaves white the opportunity to go back to original shape];W[cl]C[but white can attack from here and black would be smaller to live]))(;B[qh];W[qi]LB[ph:B][rh:A]C[A and B are miai. Quite difficult to kill white. Maybe playing A directly is safer for white]))(;AE[ld][nd][qe][mf][qf][ni][pi][qj][ok][ql][jq]AW[fc][nc][dn][po][qp][qq]AB[pf][jp][np][fq][qr][rr];W[qm];B[ql]C[this move is also possible : efficient for territory];W[pm];B[ol];W[nn];B[lp]))(;W[pk]C[if white wants to escape this side];B[pl];W[ok];B[ol];W[nk];B[rj]C[bottom corner is huge for black now]))(;W[qj];B[qh](;W[ph];B[rh]LB[rf:A][rj:B]C[A and B are miai])(;W[pi];B[ph]C[push to create cutting points];W[oh];B[rh]LB[rf:A][rj:B]C[A and B are still miai])))(;W[nc]C[white can't approach for this side];B[pf];W[qc]C[if white invades now, ];B[pc];W[pb];B[ob];W[qb];B[oc];W[re];B[rf];W[qe];B[qf]C[right side is very good for black]))
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