(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.00]PW[Pavol Lisy]PB[Pal Balogh]RE[B+10.50];B[pd];W[dp];B[pp];W[dc];B[de];W[ce];B[dd];W[cd];B[ec];W[cf];B[df];W[dg];B[cc];W[db];B[bc];W[cb];B[cg];W[ch];B[bb];W[eb];B[bg];W[bf];B[fc];W[bd];B[bh];W[eg];B[fe];W[ci];B[bi]C[This is one of Pal Balogh's favourite variations.];W[bj]LB[cj:A]C[ A is also possible for White.];B[cj];W[dj];B[ck];W[bk];B[bl];W[cl];B[dk];W[bm];B[dl];W[cm];B[aj];W[al];B[ae];W[af];B[fh];W[dh];B[fg];W[ej];B[fj]C[This exchange is not neccessary, but Pal likes the center.];W[ek];B[ad];W[ag];B[fb]C[This is a kind of even result locally, but the result seems reasonable for black considering the direction of stones.];W[nc];B[ld];W[ne];B[pf];W[pb];B[qc];W[lb];B[me]C[This test is aiming for a ko. this is a very sharp way to play.];W[nf];B[mc];W[mb];B[nd];W[od];B[oc];W[md];B[ak]C[Black was counting on this ko threat...];W[ai];B[nd];W[ed]C[and he has to close his eyes and take the ko.];B[nb];W[ee];B[fd];W[ef];B[ff]C[This result still seems OK for black. White took huge profit, but overall black still seems wide enough.];W[pk];B[qm];W[jp];B[dq]C[This fight is about to decide the game.];W[eq];B[er];W[ep];B[dr];W[fr];B[cp];W[bp];B[fq]LB[bo:B][bq:A]C[This cut is very sharp. Simply playing A might die on white B.];W[gr];B[co];W[bq];B[cq];W[bo];B[br];W[ar];B[hq]C[This technique is beautyful.];W[gq];B[fp];W[eo];B[gp];W[hr];B[iq];W[ir];B[jq];W[jr];B[kq];W[kr];B[lq];W[lr];B[mq];W[mr]C[From the point of shape white can't win this game any more.];B[cs]C[I would rather consider sacrificing these stones as black, but that might be a bit soft.];W[es];B[cn];W[bn];B[en];W[fo];B[dm];W[hp];B[fn];W[gn];B[gm];W[hm];B[gl];W[jg]C[Pavol is very strong in complicating unfavorable positions, this move being a very good example. He never loses without a fight, and turns many games like this...];B[lg];W[ji];B[hl];W[je];B[jc];W[lh];B[mg];W[ni]C[White seems too thin.];B[kh];W[ki];B[li];W[mh];B[jh];W[ih];B[kg];W[lj];B[ii];W[nq];B[np];W[oq];B[op];W[pq];B[qq];W[qr];B[rr];W[qp];B[rq];W[mp];B[mo];W[lp](;B[kp]C[This might be an overplay. there is no need to save these stones. (see previous variation)];W[lo];B[ko];W[ln];B[kn];W[mn];B[on];W[pn];B[pm];W[km];B[jm];W[nn];B[om];W[jn];B[hn];W[go];B[io];W[im];B[jl];W[jo];B[kl];W[ip];B[pi]C[Now it all depends how tough black's attack in the center will be... Considering that the game was good for black, it seems black missed a chance to simplify the game.];W[ij];B[hi];W[pj];B[oi];W[qi];B[oj];W[ok];B[nk];W[nj];B[qh];W[nl];B[mk];W[ll];B[lk];W[kk];B[jk];W[jj]C[doe or die ko for white...];B[kj];W[ph];B[oh];W[kk];B[il];W[ml];B[kj];W[nh];B[og];W[kk];B[qj];W[mj];B[qk]C[This was almost a losing move. The aji in the center is dangerous... Even after defending the center black is ahead by 15 points on the board. ];W[el];B[fm];W[hj];B[gj];W[gi];B[hh];W[gk];B[fk];W[fl];B[fi];W[hk];B[in];W[bs]C[this ko is the last fight. ];B[as];W[hg];B[gh];W[bs];B[ik];W[mi];B[as];W[do];B[dn];W[bs];B[ei];W[di];B[as];W[oo]C[This is the biggest ko threat. but fortunately for black, not big enough.];B[aq];W[qo];B[qn];W[po];B[ro];W[rp];B[sp];W[no];B[pr];W[ng];B[or]C[Black still wins big time...])(;B[nn];W[lo];B[oh]C[This might simply be enough. Black is at least 15 points ahead on the board.]))