(;CA[UTF-8]CA[gb2312]AP[MultiGo:4.4.3]SZ[19]C[Commentary: Kong Jie 9p,Source: Sports Weekly,Edited and translated by GoGameWorld.com.]EV[China 13th Ahan Tongshan Cup semi final]DT[2011-07-30]PC[China]PB[Jiang Weijie]BR[5p]PW[Chen Yaoye]WR[9p]KM[7.5]RE[W+R]SO[http://weiqi.tom.com]MULTIGOGM[1];B[pd];W[dc];B[qp];W[dq];B[nq];W[co];B[qj];W[nc];B[pf];W[jd];B[cf];W[cd];B[dj];W[cl];B[ef];W[gd];B[hp]LB[ip:a][gq:b][no:c]C[B17: For Black to make extension one-line narrower at 'a' is normal, afterwards White makes two-space extension at 'b' and Black jumps to 'c', this is standard opening.];W[jo];B[eq];W[dp];B[dr];W[cr];B[hn]LB[jp:a][kp:b][ko:c]C[When White reduces with W18, Black takes advantage in sente with B19 and B21, but the direction of B23 is not good, Black should attach at 'a' to enclose territory on the side at maximum limit. If White dares play hane at 'b', Black can cut at 'c' to fight with White.];W[jq];B[iq];W[jm];B[mn];W[lq]C[In the game, White is happy to play W24, W26 and W28, White's shape is resilient and already difficult to be attacked.];B[hl];W[ik];B[kn];W[jn];B[il];W[jl];B[jk];W[kk];B[jj]C[The direction from B29 to B37 is also not very ideal, but now Black is already difficult to play.];W[ll];B[nl];W[oq]C[The attachment of W40 is early preserved tactic.];B[or]LB[np:a]C[B41 is not good, to extend to 'a' is common.];W[np];B[op];W[pq];B[mp];W[nr];B[no];W[mq];B[np];W[pr];B[kp]C[Through B51 Black incurs big loss in territory, White already becomes very favorable.];W[li];B[ji];W[lg]LB[kj:a]C[W52 and W54 are careless moves, in hindsight for White to attach at 'a' is thick.];B[lj];W[mj];B[mh]C[B55 and B57 are good moves, the situation becomes chaotic.];W[mi];B[lh];W[nh];B[kh];W[oj];B[ng];W[oh];B[kj];W[mk];B[qh];W[pi];B[qi];W[nk];B[pk];W[ol];B[ml];W[lk];B[mr];W[os];B[lr];W[pp];B[po]LB[kq:a]C[Black's sequence following B79 is almost losing moves. In hindsight, Black should simply reinforce at 'a'. Black can take tenuki here and first play at top, this is much better than the real game.];W[qo];B[qn];W[ro];B[rn];W[pn]C[When White cuts with W84, Black is very painful.];B[oo];W[rp];B[kq]C[The most critical is, when B87 White surprisingly can take tenuki!];W[pb];B[qc];W[ld]C[W88 and W90 are huge moves, so far White establishes superiority.Afterwards White plays endgame very brilliantly and seals the victory.];B[km];W[ni];B[ed];W[de];B[ee];W[ec];B[dd];W[cc];B[ck];W[dl];B[he];W[ge];B[gf];W[hd];B[ie];W[je];B[kl];W[go];B[fo];W[gp];B[gq];W[fp];B[ho];W[bf];B[bg];W[be];B[er];W[ep];B[cs];W[br];B[bl];W[bm];B[qb];W[fq];B[fr];W[ff];B[fg];W[hf];B[gg];W[if];B[bk];W[bh];B[cg];W[ag];B[ch];W[om];B[rq];W[qq];B[sp];W[so];B[sn];W[sq];B[pl];W[oc];B[lm];W[gr];B[hq];W[ok];B[el];W[em];B[fl];W[ih];B[hi];W[hh];B[gi];W[pm];B[qm];W[pj];B[ql];W[ii];B[ij];W[jh];B[ki];W[kg];B[mg];W[bi];B[ci];W[ce];B[fm];W[en];B[lf];W[qa];B[ra];W[pa];B[rb];W[pg];B[og];W[ph];B[qg];W[kf];B[hg];W[ig];B[fn];W[df];B[dg];W[mf];B[eo];W[do];B[am];W[bn];B[me];W[le];B[dk];W[dm];B[bj];W[gh];B[fh];W[ds];B[es];W[bs];B[pc];W[ob];B[hr];W[of];B[nf];W[oe];B[ne];W[pe];B[qf];W[od];B[qe];W[ah]C[This game is White's complete victory.])