(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[6.50]PW[Antti Törmänen]PB[Dusan Mitic]WR[六段]BR[六段]RE[白胜黑];B[dp];W[pq];B[dc];W[qd];B[od];W[oc];B[nc];W[pc];B[nd];W[qf];B[jd];W[cf];B[cd];W[ci];B[ck];W[ef];B[dg];W[df];B[gd];W[ei];B[po];W[qo];B[pp];W[qp];B[oq];W[pn];B[qq];W[pr];B[rq];W[or];B[np];W[no];B[mp];W[on];B[op];W[rp];B[qn];W[rn];B[qm];W[rr];B[rm];W[sq]LB[so:A]C[Normal joseki move is at A. this move loses around 2 points.];B[pk];W[jp];B[ko];W[ol];B[pg];W[qg];B[ph];W[ll];B[jo];W[hp];B[io];W[fq];B[jl];W[lj];B[er];W[ip];B[kp];W[eq];B[dq];W[fr];B[dr];W[kq];B[lq];W[kr];B[dm]C[So far black seems to have played a better game. ];W[lb]C[This is a do or die move. If all the North becomes black territorry white will surely lose.];B[mb];W[ld];B[jc];W[of];B[pf];W[pe];B[oe];W[nf];B[pd];W[qe];B[ob];W[pb];B[me];W[ri];B[ok];W[nk];B[nj];W[mk];B[nh];W[hc];B[hd];W[jb];B[ib];W[kc];B[le];W[oa];B[nb];W[ic];B[hb];W[gc];B[gb];W[fc];B[fb];W[id];B[je];W[ie];B[jf];W[lh];B[mg]LB[ki:A][li:B]C[How about exchanging A for B before?];W[ij]LB[gl:A]C[This result seems good for black. I think the next move will be a very important decision as black. Black is surely ahead on points, so the situation calls for a defensive move around A. like that black is a good 10 points ahead on the board and his position is thicker too.];B[if]C[This move gives white a chance.];W[gn]C[Good direction. Dusan must have underestimated the severity of this attack.];B[hm];W[dn]C[This is a last challenge. Actually this fight will turn around the game.];B[cn];W[cm];B[bn];W[dl];B[em];W[cl];B[el];W[dk];B[ek];W[ej]C[all of a sudden white took a lot of profit.];B[fd];W[en];B[hk];W[gl];B[hl];W[bm];B[co];W[fk]C[Just if you check this exchange you will see that white gained much more. Just compare the situation to the one after move 67, and you will see that white's profit is fantastic, and black didn't gain much. In fact white turned over the game.];B[hj];W[ii];B[mo];W[mn];B[ln];W[lm];B[km];W[bd];B[bc];W[ce];B[be];W[dd];B[cc];W[ec];B[ed];W[he];B[gf];W[ge];B[fe];W[ff];B[de];W[hf];B[hg];W[gg];B[eb];W[gf];B[af];W[bf];B[ad];W[bh]C[Game over.];B[am];W[al];B[an];W[fm];B[sn];W[ro];B[pl];W[om];B[lr];W[nr];B[ks];W[jr];B[js];W[is];B[ls];W[hr];B[qj];W[rj];B[rk];W[qi];B[pi];W[ig];B[qc];W[qb];B[rc];W[rb];B[gi];W[hi];B[gj];W[jg];B[gh];W[kf];B[ke];W[lf];B[mf];W[hh];B[fh];W[eh];B[ag];W[pa];B[kk];W[kj];B[lg];W[kg];B[qh];W[rh];B[mi];W[mq];B[mm];W[nn];B[lk];W[ml];B[lp];W[kl];B[jk];W[ik];B[il];W[hn];B[in];W[jm];B[kn];W[sj])