(;GM[1]FF[4]SZ[19]AP[SmartGo:2.8.3.0]
PW[Hyunjoon Lee (Korea)]WR[4d]
PB[Qiao Zhijian (China)]BR[7d]
EV[2012 WAGC]RO[6]
DT[20120515 [17:02]
KM[6.5]
RE[B+]
US[Chris Garlock]
AN[So Yokoku 8P (trans. Ting Ting Chen)]
C[2012 WAGC
Round 6
W: Hyunjoon Lee (Korea) 4d
B: Qiao Zhijian (China) 7d
Commentary by So Yokoku 8P (translated by Ting Ting Chen)
Transcribed by Chris Garlock

]
;B[pd];W[dd];B[qp];W[dp];B[fq];W[cn];B[kq];W[qj];B[pk];W[qk];B[ql];W[rl]
;B[pj];W[rm];B[qi];W[pl];B[pi];W[ol];B[op]
C[this joseki was popular about 5 years ago but not as much these days];W[nc]
;B[pc];W[jd];B[ne];W[cf];B[dr];W[go];B[hp];W[ho];B[io];W[in];B[ip];W[dj]
C[hard to tell who's better at this point];B[lc];W[jb];B[fj]
C[good timing];W[ij];B[gl];W[il];B[dm]LB[dn:A][dk:B]
(;W[fp];B[gp];W[fn];B[dk];W[ck];B[cl];W[ek];B[dl];W[ej];B[cj];W[ci];B[bk]
;W[bi];B[fm];W[bm];B[en];W[eo];B[gn];W[fo];B[hn]
C[black's invasion has been successful];W[hm];B[gm];W[dn];B[fk];W[hk];B[gi]
C[black has successfully separated white's corner group from the center group]
;W[hh];B[gh];W[hg];B[eh];W[ei];B[gg];W[hf];B[cq];W[cp];B[dh];W[di];B[df]
;W[ce];B[fe];W[fi];B[gj];W[fc];B[bl];W[eq];B[er];W[fr];B[gq];W[dq];B[gd]
;W[gc];B[hd];W[fd];B[jk];W[jj];B[jn];W[cr];B[ge];W[md];B[lf];W[ld];B[ic]
;W[jc];B[jl]
C[black escapes];W[ri]
(;B[rh];W[rj];B[qg];W[lh];B[ob];W[po];B[pp];W[ds];B[ro];W[nn];B[mo]
(;W[ib]
C[better to reduce first at A (see var)]LB[mg:A]
(;B[hc];W[hb];B[ch];W[bh];B[cg];W[bg];B[de];W[no];B[np];W[mn];B[cd];W[dc]
;B[qn];W[qm];B[lg];W[mh];B[ng]
C[black has a clear advantage now, by about 9 points before komi];W[nh];B[oh]
;W[lo];B[mp];W[ik];B[im];W[km];B[jm]
(;W[nb];B[na];W[ma];B[oa];W[lb];B[ll]
C[so now w gets no points here];W[lm];B[lj];W[jh];B[nl];W[nk];B[ml];W[pn]
;B[ni];W[kg];B[ki];W[kh];B[kf];W[ie];B[ok];W[gs];B[gr];W[es];B[hs];W[hr]
;B[fs];W[od];B[oe];W[gs];B[bd];W[ae];B[fs];W[mg];B[mf];W[gs];B[cc];W[cb]
;B[fs];W[og];B[nf];W[gs];B[bb];W[db];B[fs];W[oc];B[pb];W[gs];B[be];W[bf]
;B[fs];W[mi];B[ac];W[af];B[ad];W[ba];B[er]
C[b wins the ko and ensures the win

no further comments];W[oi];B[ph];W[el]
;B[em];W[nj];B[bj];W[ab];B[aa];W[ca];B[jf];W[kj];B[mj];W[li];B[fh];W[ab]
;B[hi];W[ii];B[aa];W[lp];B[lq];W[ab];B[ig];W[if];B[jg];W[ih];B[aa];W[qo]
;B[rn];W[ab];B[bn];W[bo];B[aa];W[rp];B[rq];W[ab];B[al];W[an];B[aa];W[dr]
;B[fr])
(;W[lk]
C[this creates a chance for w to win by creating space around the marked area to gain a point, maybe two; not much but it's a very close game]
TR[mm];B[ni];W[nb]
C[sequence is better]))
(;B[mg]))
(;W[mg];B[mf];W[ng];B[of];W[og];B[pf];W[ib]))
(;B[nh]))
(;W[cj])
(;W[dn];B[dk];W[cj]
C[this makes it harder for black to live]))

