(;FF[3]GM[1]C[2 "young" professionals on board 4 of this weekend's match.
Chin born 1986, became pro in 2003. Scoring 67% (28\:14) until this game.
Yi from 1981, pro in 1996, scoring 75% (30\:10) until this game. By Korean standards Yi is "old". 

]
AP[Free Climber 0 . 8 . 11 . 61]SZ[19]GC[By Yu Ch'ang-hyeok]EV[2005 Korean Baduk League]
DT[2005-09-01]PB[Yi Cheong-u]BR[5d]PW[Chin Tong-kyu]WR[2d]KM[6.5]RE[B+R]US[JBvR]
SO[Baduk TV]CP[My Friday Night Files]
;B[qd];W[dc];B[pq];W[dp];B[de];W[dh]
(;B[gd]C[See the variation for the most common variation and consequences]
(;W[nc]
(;B[cc];W[cb];B[cd];W[eb];B[fc];W[fb]
(;B[hc];W[bc];B[bd];W[bb];B[cj]C[A remains a weak spot for white to exploit later, but now White is too busy]
LB[fe:A];W[ei];B[cn];W[fq];B[qo];W[fe];B[ed];W[cf];B[df];W[dg]
(;B[fg];W[cl]
(;B[ej]
(;W[gh]
(;B[gg]
(;W[hg]
(;B[hf];W[fh];B[hh];W[ig];B[fj]
(;W[ef];B[gf];W[dd]
(;B[ih];W[jg];B[jh];W[kg];B[ce];W[ee];B[bf];W[cg];B[bg];W[ad];B[be];W[bh];B[eg]
;W[ag];B[eh];W[kd]C[white gets the points, but black gets a lot of the center]
(;B[jp]
(;W[dn];B[li];W[pj]C[Black here would be too good];B[ph];W[di];B[fi];W[qh];B[qg]
;W[qi]
(;B[rg];W[qm];B[qk]
(;W[pl];B[pk];W[ok];B[rk];W[ol];B[oj];W[no];B[nq];W[oi];B[nj];W[oh];B[pg];W[pi]
(;B[sj];W[ml]
(;B[lk];W[ll];B[nk];W[nl];B[ne];W[jc];B[do];W[eo];B[co];W[cp];B[bp];W[bq]
(;B[ep]
(;W[bo];B[bn];W[en]
(;B[fp];W[eq];B[gp];W[ap];B[bl];W[gq];B[hp];W[kk];B[jl];W[jk];B[il];W[ik];B[hl]
;W[mg];B[lj];W[kh];B[ki];W[rh];B[sh];W[ji];B[jj]
(;W[kl];B[ii];W[po];B[pp];W[qn];B[oo];W[pn];B[ro]C[there was a hair on the board here \:-)]
;W[qp];B[rp];W[qq];B[qr];W[op]
(;B[oq]C[taking sente];W[np];B[ob];W[oc];B[pb];W[og];B[pe];W[nb];B[md];W[lc]
(;B[bk]C[sign of victory];W[ir];B[ib];W[jb];B[le];W[ke];B[ln];W[lp];B[kn];W[kq]
;B[jq];W[jr];B[lr];W[mr];B[mq];W[lq];B[nr];W[kr];B[hq];W[hr];B[nn];W[on];B[mn];W[mp]
;B[ec];W[db];B[dj];W[ae];B[gb];W[id];B[ge];W[hk];B[gk];W[hj];B[gi];W[km];B[jm];W[ls]
;B[pc];W[ns];B[ci];W[af];B[os];W[ps];B[ms];W[iq];B[ip];W[ns];B[pr];W[or];B[qs];W[bi]
;B[rn];W[bj];B[ck];W[of];B[od];W[ko];B[jo];W[rm];B[lf];W[mh];B[la];W[ka];B[na];W[lb]
;B[ma];W[sn];B[je];W[ie];B[jf];W[kf];B[if];W[nf];B[ia];W[ga];B[ni];W[nh];B[ha];W[fa]
;B[ic])
(;B[lf];W[mh];B[je];W[ke];B[kf];W[mf];B[le];W[me];B[nd];W[jf];B[ld];W[ie]))
(;B[np];W[on];B[oq]C[maybe this if white does not live yet]))
(;W[ii];B[hi];W[ij];B[kl];W[hj];B[gi];W[gk];B[gj];W[hk];B[fl]))
(;B[ao]
(;W[fp];B[cq];W[dq];B[cr])
(;W[eq])))
(;W[en];B[eq];W[dr];B[er];W[dq];B[fp];W[cm]))
(;B[dm];W[en];B[cm];W[em];B[dl]))
(;B[mh]))
(;B[ro]))
(;W[pk];B[ql]
(;W[pl];B[rm];W[pm];B[rn])
(;W[pm];B[rm];W[rn];B[rl];W[qn])))
(;B[pg];W[qm];B[md];W[mc];B[ld];W[lc];B[ke]))
(;W[kh];B[fi];W[kj];B[ch];W[ci];B[di]))
(;B[di];W[ch];B[bi];W[af];B[kh]))
(;B[ce];W[ee];B[bf];W[cg]
(;B[eg];W[ad])
(;B[ae];W[eg];B[bg];W[bh];B[ag];W[fd])))
(;W[gf];B[ef];W[he];B[gi]C[white will lose this]))
(;B[hh];W[gi];B[ig];W[hf];B[if];W[he];B[ie];W[ff]))
(;W[fj];B[ek];W[dm]))
(;B[dm];W[ek];B[dl];W[fj]))
(;W[fj];B[ek];W[gi];B[dm];W[hg]))
(;B[bl];W[bm];B[cm];W[bk];B[dl];W[ck];B[dk];W[dj]))
(;B[gf];W[ff];B[gg];W[fg];B[ec]))
(;B[gb];W[hc];B[gc];W[bc];B[bd];W[bb]C[more aji left]))
(;B[pc];W[kc];B[cc];W[cb];B[cd];W[eb];B[fc];W[fb];B[hc];W[bc];B[bd];W[bb]C[white has A later]
LB[fe:A])
(;B[fc];W[ce];B[cf];W[df];B[ef];W[dg];B[cd];W[be];B[dd];W[bd];B[bc];W[bf]C[too many aji left for white at A, B or C, especially when white gets a stone around D]
LB[cc:A][bb:B][fe:C][hc:D]))
(;W[ee];B[ef];W[fe];B[dd];W[fc];B[cc];W[ec];B[ff];W[ge];B[cb];W[df];B[dg];W[cf]
;B[cg];W[be];B[ce];W[bf];B[bg];W[bd];B[cd];W[eg];B[bi];W[ci];B[bh];W[pp];B[fg];W[oq]
;B[qq];W[qp];B[or];W[nq];B[nr];W[mq]))
(;B[ec];W[ed];B[dd];W[fc];B[eb];W[cc];B[fb];W[ee];B[bd]))