(;CA[UTF-8]CA[gb2312]AP[MultiGo:4.4.3]SZ[19]C[Commentary: Wang Lei 8p,Source: Sports Weekly,Edited and translated by GoGameWorld.com.]EV[16th LG Cup preliminary final round ]DT[2011-05-03]PC[Seoul, South Korea]PB[이창호]BR[9단]PW[Hong Sungji]WR[8단]KM[6.5]RE[B+R]SO[http://e.titan24.com/ttzbhtml/20110506/52626.html]MULTIGOGM[1];B[pd];W[dd];B[qp];W[dp];B[oq];W[qf];B[qi];W[qc]C[W8: White is normally reluctant to enter into the corner this way since the position of B7 is good.];B[qd];W[pc];B[od];W[rd];B[re];W[rc];B[qe];W[nc];B[fq];W[cn];B[jp];W[qk];B[oj]LB[qm:a][rf:b]C[B21: If Black makes extension at 'a' after the invasion of W20, White will pull out at 'b' and Black is difficult.];W[qo];B[po];W[qn];B[rp];W[om]C[W22 and W26: White sticks head out smoothly.];B[qj];W[pk];B[mm];W[oo];B[pp];W[ml]C[W30 and W32 are good moves.];B[nl]LB[pn:a][pj:b][pi:c][oi:d]C[B33: Black very wants to take the vital point at 'a', but White has the intense tactic of push-and-cut with W 'b', B 'c' and W 'd', Black is not favorable in the fight.];W[nm];B[nk];W[mn];B[lm];W[pn]C[W38: White basically settles down and succeeds locally in the fight.];B[me]C[B39 is the vital point and related to influence expansion or reduction of both sides.];W[cf];B[dq];W[cq];B[cr];W[eq];B[dr];W[ep];B[er];W[fp];B[gp];W[go];B[hp]C[From B41 to B51 Black takes territory, but White's configuration on the left side is ideal and Black can't be satisfied. With B41 Black can consider to directly makes the knight's move of B45, not allowing White become too thick.];W[bq];B[cm]C[B53 is a strong move.];W[ck]C[W54: No matter if White plays hane from top or bottom, Black all takes advantage, so White counterattacks this way.];B[bn];W[bo];B[dk];W[dj];B[dn];W[co];B[cj]LB[dl:a]C[B61 is inexplicable, Black should retreat at 'a' instead.];W[ci];B[bj];W[dl];B[ek];W[cl];B[di];W[ej];B[ch];W[fk]C[Through W70, White's stone efficiency is extremely high.];B[df]C[B71 is a good move for fixing shape.];W[de]LB[ce:a]C[W72: White falls into trap, White should extend at 'a'.];B[bf]C[B73: Black obtains eye space.];W[be];B[cg];W[ce];B[ec]C[B77 is also a strong move.];W[gc]LB[dc:a]C[W78: White doesn't want to retreat at 'a', the counterattack is inevitable.];B[gd];W[hd];B[fd];W[ic];B[gf];W[dc];B[eb];W[hf]LB[db:a][if:b]C[W86: White also has to hold up this way. If White blocks at 'a', Black will jump to 'b' to connect left side with right side.];B[hg];W[if];B[ei];W[el];B[cb];W[db];B[da]C[After B93, there is a ko left in the corner, but Black lacks ko threats and dares not easily initiate the ko fight.];W[bb];B[jd]LB[ge:a][ff:b]C[B95 makes B 'a' sente and indirectly guards against the tactic of separating Black with W 'b'.];W[ke];B[ld];W[gg];B[ff];W[gh]C[W98 and W100 themselves are not big moves, the purpose is to seal off the big black dragon and make Black difficult to initiate the ko fight in the corner.];B[kg]C[B101 is a good move.];W[kd];B[lc]LB[kc:a]C[But B103 is weird, why not turn at 'a'?];W[lf]C[W104: White gets to make diagonal here, Black's shape clearly collapses.];B[ob];W[oc];B[nb];W[rf];B[se];W[ne]C[W108 and W110 are strong moves.];B[nd];W[mc];B[le];W[lb]C[W114 is also a good move.];B[kc]LB[kb:a][mb:b]C[B115: If Black plays hane at 'a', W 'b', Black is not favorable.];W[kb]C[W116: White captures two black stones very efficiently and achieves great result.];B[je];W[pj]LB[mj:a][lq:b]C[The timing of W118 is not good and the losing move of this game! If White wants to proceed steadily, White can reduce at 'a'. If White seeks fight, to prepare first at 'b' is more reasonable.];B[pi];W[oi];B[ni];W[oh];B[nh];W[pg];B[og];W[ph];B[rh];W[of];B[ng];W[rg];B[rk];W[rl];B[rj]LB[md:a][qh:b][sl:c]C[B133: In the game White clearly miscalculates, since B 'a' at top is sente, when B133 if White plays at 'b', Black can extend liberty at 'c'!];W[lq];B[mp]C[B135: White invades now, but Black can conduct two-pronged attack, White's tempo is chaotic.];W[gq];B[fr];W[iq];B[ip];W[hr];B[hq];W[ir];B[gr];W[mq];B[lp];W[nq];B[np];W[or];B[pr];W[op];B[pq];W[sk];B[pf];W[pe];B[qh];W[si];B[mb];W[jc];B[md];W[pb];B[sj];W[sl];B[sf];W[kq];B[no];W[on];B[kp];W[ok];B[nj];W[sn]C[W170: Following W152 White fails to find a loophole inside Black's territory and still needs to live in gote on the right side.];B[nr]C[B171: Black takes one stone and White at bottom becomes ko-alive.];W[mr];B[os];W[ls];B[kr];W[hs];B[jf];W[jr];B[jq];W[ks];B[jm]C[B177 and B181: Black also elects not to fight the ko and simply recall troops.];W[ig];B[eg];W[ba];B[bk];W[bl];B[jj];W[kf];B[lg];W[hm];B[ro];W[rn];B[il];W[jh];B[kh];W[nn];B[hl];W[gm];B[bh];W[af];B[al];W[bm];B[ho];W[gn];B[ca];W[cc];B[ea];W[in];B[im];W[hn];B[ln];W[jn];B[kn];W[ji];B[ki];W[ij];B[ik];W[hj];B[hb];W[gb];B[ga];W[ib];B[fh];W[gi];B[ha];W[hc];B[bg];W[br];B[bs];W[fa];B[fb];W[ia];B[fi];W[fa];B[gl];W[ee];B[ef];W[fl];B[bc];W[bd];B[ga];W[am];B[ak];W[sd];B[mf];W[ol];B[so];W[gs];B[fs];W[cs];B[ds];W[jo];B[ko];W[mo];B[ns];W[jk];B[kj];W[ha];B[ag];W[ae];B[ge];W[gk];B[fj])