(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]HA[5]KM[6.50]TM[1800]PW[csaba]PB[Bogdan]BR[1k]DT[2012-10-25]PC[The KGS Go Server at http://www.gokgs.com/]AB[dd][pd][jj][dp][pp]RE[W+18.50];W[qf]WL[1791.462];B[nc]BL[1789.995];W[qn]WL[1778.204];B[pk]BL[1771.655];W[on]WL[1772.167];B[np]BL[1768.811];W[pi]WL[1771.137];B[pm]BL[1753.2];W[pn]WL[1758.583];B[ro]BL[1749.032]C[black defend the corner but the two stones are now weakFuthermore, the exchange 8 - 9 shows that black do not want to sacrifice the two stones];W[rn]WL[1754.192];B[qe]BL[1726.062];W[pf]WL[1751.319];B[ml]BL[1717.055]LB[jj:A][nj:E][mk:C][pk:D][ml:B][mn:F]C[A - B position is strangeC is possible and black A - C - D is a better formationE can also be good if white defend the top group, black can enclose the four line white stonesblack can also attack white with F];W[mn]WL[1744.669](;B[qj]BL[1692.664]LB[qi:A][rl:B]C[unnecessary moveblack would want to try something like A or B afterblack wanted to make white top group heavybut we have to consider the difference between :heavy, solid, overconcentrated, strong];W[qi]WL[1738.206];B[ql]BL[1661.165]C[handicap games does not mean that black do not have to make good shapes];W[lp]WL[1732.504];B[lo]BL[1628.155];W[mo]WL[1708.255];B[mp]BL[1625.685];W[lq]WL[1706.836](;B[ko]BL[1620.265];W[nr]WL[1703.848];B[no]BL[1572.134];W[nn]WL[1701.1];B[or]BL[1562.043];W[oq]WL[1695.538];B[mr]BL[1533.682];W[pr]WL[1688.713];B[lr]BL[1517.787];W[op]WL[1678.771](;B[nq]BL[1480.328]C[black lossed one sente];W[os]WL[1674.658];B[kq]BL[1479.2];W[cn]WL[1668.349];B[dk]BL[1457.427];W[en]WL[1656.199];B[fp]BL[1454.376];W[bp]WL[1655.199];B[cq]BL[1449.414];W[bk]WL[1654.122](;B[ck]BL[1444.889]C[there is an other variation (but black ended sente)];W[bl]WL[1634.215];B[ci]BL[1440.765];W[mj]WL[1628.51];B[mk]BL[1413.509];W[nj]WL[1609.683]C[white is now solid on the top side];B[rk]BL[1358.736];W[fc]WL[1589.39];B[dc]BL[1343.449];W[ic]WL[1584.237];B[kc]BL[1339.801];W[fe]WL[1582.364];B[bj]BL[1331.794]C[black leave white a severe attack];W[df]WL[1580.408](;B[cf]BL[1319.989];W[cg]WL[1578.37];B[ce]BL[1297.146];W[od]WL[1574.149];B[oc]BL[1293.366];W[qc]WL[1572.736];B[pc]BL[1265.339];W[re]WL[1569.612];B[dg]BL[1251.981]C[blacl should defend the top right corner];W[qb]WL[1566.157];B[gd]BL[1240.555];W[fd]WL[1563.179];B[hb]BL[1228.573];W[ib]WL[1560.724];B[gc]BL[1224.466];W[fb]WL[1558.65];B[hc]BL[1219.579];W[he]WL[1523.837];B[id]BL[1214.27];W[hd]WL[1516.433];B[jc]BL[1209.435];W[ie]WL[1515.424];B[jd]BL[1206.283];W[ge]WL[1514.566];B[jb]BL[1202.979];W[fh]WL[1509.054];B[gg]BL[1169.851];W[fg]WL[1503.955];B[dh]BL[1160.99];W[ih]WL[1501.406];B[jg]BL[1148.817];W[ig]WL[1491.964];B[hi]BL[1138.1];W[fj]WL[1488.75];B[gi]BL[1133.672];W[fi]WL[1487.38];B[hg]BL[1129]LB[ff:B][if:A][gh:C]C[black has to cutting points (A and B)white should have push at c after black move 90](;W[jh]WL[1481.88];B[fl]BL[1097.899];W[bq]WL[1475.504];B[ff]BL[1088.397];W[ef]WL[1471.095];B[gf]BL[1085.764];W[ee]WL[1469.814];B[eg]BL[1074.524];W[md]WL[1450.989];B[oe]BL[995.629];W[mf]WL[1442.144](;B[mc]BL[954.674];W[gn]WL[1428.544];B[hp]BL[939.594];W[gl]WL[1419.238];B[dm]BL[927.139];W[dn]WL[1414.342];B[fm]BL[923.555];W[gk]WL[1388.597];B[ij]BL[893.333];W[kk]WL[1356.968];B[il]BL[859.126];W[km]WL[1295.004];B[jm]BL[770.417];W[fn]WL[1237.611];B[gm]BL[751.009];W[ho]WL[1170.996];B[ri]BL[735.622];W[hm]WL[1167.066];B[hl]BL[731.071];W[jn]WL[1144.523];B[kj]BL[704.653];W[lj]WL[1121.514];B[kl]BL[689.261];W[ll]WL[1116.237];B[jl]BL[685.578];W[jo]WL[1034.483];B[jp]BL[626.958];W[lk]WL[1032.348]C[huge for white];B[fk]BL[585.293]LB[gp:A]C[psychologically losing move(black should have two liberties ahead)connecting at A would have mean the end of the game for white];W[rh]WL[1029.073];B[sh]BL[577.915];W[eq]WL[1011.214];B[ep]BL[559.524];W[ip]WL[984.897];B[iq]BL[519.469];W[gp]WL[983.101];B[hq]BL[499.289];W[gq]WL[981.308];B[gr]BL[494.364];W[fq]WL[979.156];B[rg]BL[488.235];W[rf]WL[976.336];B[qh]BL[483.934];W[ki]WL[951.47];B[gj]BL[476.839];W[oo]WL[943.138];B[mq]BL[472.969];W[ca]WL[934.938];B[kn]BL[428.289];W[lm]WL[925.873];B[cb]BL[410.353];W[ea]WL[915.365];B[of]BL[365.099];W[bb]WL[901.618];B[bc]BL[361.564];W[db]WL[898.982];B[cc]BL[359.018];W[ln]WL[896.567];B[kp]BL[343.012];W[ke]WL[884.696];B[pe]BL[311.163];W[oa]WL[875.514];B[sf]BL[283.103];W[se]WL[829.165];B[nh]BL[261.49];W[pg]WL[813.301];B[ph]BL[239.392];W[sc]WL[804.841];B[lh]BL[225.171];W[kg]WL[790.368];B[na]BL[169.124];W[pa]WL[787.879];B[ob]BL[164.612];W[fr]WL[785.678];B[qd]BL[136.333];W[rd]WL[781.321];B[oi]BL[109.888];W[hr]WL[771.986];B[ir]BL[104.342];W[gs]WL[770.35];B[rm]BL[63.498];W[sm]WL[767.435];B[sl]BL[61.132];W[sn]WL[766.238];B[ld]BL[111.967];W[le]WL[763.706];B[jf]BL[101.378];W[je]WL[755.385];B[lg]BL[98.217];W[kh]WL[737.872];B[li]BL[87.69];W[ec]WL[733.904];B[nd]BL[69.579];W[oj]WL[729.639];B[pj]BL[67.083];W[ol]WL[727.336];B[cl]BL[58.225];W[cm]WL[725.181];B[ak]BL[55.938];W[bm]WL[721.178];B[ab]BL[53.9];W[em]WL[717.274];B[dl]BL[48.924];W[ba]WL[714.068];B[ga]BL[105.848];W[gb]WL[709.444];B[ia]BL[102.95];W[el]WL[705.125];B[ek]BL[99.387];W[hh]WL[701.39];B[gh]BL[96.842];W[qm]WL[694.144];B[pl]BL[91.937];W[lf]WL[684.444];B[me]BL[86.116];W[mh]WL[680.126];B[og]BL[72.352];W[ng]WL[669.964];B[ni]BL[69.232];W[mi]WL[668.426];B[nf]BL[66.009];W[mg]WL[667.415];B[ms]BL[62.34];W[ok]WL[663.238];B[ns]BL[58.436];W[or]WL[661.129];B[om]BL[114.544];W[nm]WL[659.613];B[rl]BL[112.659];W[io]WL[656.627];B[im]BL[106.763];W[is]WL[653.179];B[jr]BL[101.692];W[al]WL[651.698];B[aj]BL[98.693];W[hn]WL[645.394];B[js]BL[95.356];W[hs]WL[639.087];B[jk]BL[84.942];W[hf]WL[629.486];B[de]BL[68.623];W[ii]WL[620.762];B[hk]BL[66.028];W[pb]WL[619.307];B[ej]BL[115.403];W[fa]WL[613.735];B[ei]BL[109.615];W[da]WL[609.415];B[ha]BL[106.052];W[aa]WL[601.65];B[ac]BL[103.857];W[qg]WL[596.926];B[sg]BL[99.14];W[]WL[596.919];B[]BL[99.131]TW[qa][ra][sa][eb][rb][sb][rc][sd][if][jf][kf][jg][lg][lh][li][mk][nk][ml][nl][am][mm][an][bn][ao][bo][co][do][eo][fo][go][po][qo][ro][so][ap][cp][dp][ep][fp][pp][qp][rp][sp][aq][cq][dq][pq][qq][rq][sq][ar][br][cr][dr][er][gr][qr][rr][sr][as][bs][cs][ds][es][fs][ps][qs][rs][ss]TB[ja][ka][la][ma][ib][kb][lb][mb][nb][ic][lc][ad][bd][cd][md][od][ae][be][ne][af][bf][ag][bg][cg][fg][ah][bh][ch][eh][fh][oh][rh][ai][bi][di][fi][pi][qi][si][cj][dj][fj][hj][rj][sj][gk][ik][qk][sk][gl][lp][jq][lq][kr][ks][ls]C[white wins by 18.5 points])(;B[le]C[black should peep before defending];W[me];B[mc](;W[jf]C[white would also have to make an another move to defend his group];B[gn]C[black is much more bigger])(;W[gn]C[if white tenuki];B[jf];W[if];B[lg]C[black can severely attack white(somekind of fighting spirit)])))(;W[el];B[ff];W[ef];B[gf];W[ee];B[eg];W[jf]))(;B[ef]TR[gd]C[quite difficult for whiteblack can also peep before the sequence, and white will have a bad shape];W[ee];B[de];W[fg];B[dg];W[ff];B[eg]))(;B[dm];W[dn];B[bl];W[cl];B[ck];W[bm];B[bj];W[al];B[mi]LB[fc:A][jd:B]C[A or B is also possible for black]))(;B[mq];W[cn]LB[oo:A]C[white can't afford to tenuki];B[oo](;W[po];B[pq];W[os];B[rq];W[rr];B[qr];W[qs];B[qq];W[rs];B[nq];W[or];B[ns];W[ms];B[kr];W[qo];B[ls])(;W[qq];B[po];W[rp];B[qo];W[so]C[the corner is not that big])))(;B[mr];W[kn]C[no good ladders for white];B[ko];W[jo];B[kp];W[jp];B[kq];W[ln];B[kr];W[im]C[white has no choice but to sacrifice the two stones]))(;B[lp](;W[ol];B[ok];W[pl];B[ql];W[nl];B[nk];W[qk];B[qj];W[rk];B[qi];W[rl];B[ph])(;W[ql];B[qk];W[rk];B[rj];W[rl];B[qi]LB[qi:B][qj:A]C[white will not exchange A to B like it was on the game])))
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