(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.00]DT[2013-02-23]PC[The KGS Go Server at http://www.gokgs.com/];B[pd]BL[1794.007];W[qp]WL[1796.527];B[ce]BL[1788.13];W[dq]WL[1793.419];B[dc]BL[1773.092];W[qf]WL[1783.641];B[nc]BL[1754.817];W[of]WL[1778.805];B[op]BL[1714.342];W[mp]WL[1772.907];B[on]BL[1686.169];W[qn]WL[1767.665];B[ol]BL[1640.812];W[pk]WL[1746.456]C[white jumps too far, ther's cutting points];B[qm]BL[1605.788]C[black plays at white weakness](;W[po]WL[1709.092];B[oo]BL[1495.9];W[pm]WL[1702.729];B[pl]BL[1481.95];W[om]WL[1695.625](;B[pn]BL[1362.461];W[nm]WL[1687.024];B[rn]BL[1355.383];W[qo]WL[1683.558];B[ql]BL[1349.771];W[pq]WL[1673.851](;B[mo]BL[1278.086];W[oq]WL[1658.146];B[lp]BL[1199.212];W[mq]WL[1645.865](;B[mn]BL[1140.141];W[mm]WL[1635.835];B[lm]BL[1061.612](;W[mk]WL[1624.591];B[pi]BL[1033.45];W[ll]WL[1611.066];B[km]BL[1024.132];W[ni]WL[1600.537];B[pg]BL[957.835];W[pf]WL[1594.876];B[nh]BL[939.719];W[oh]WL[1581.992];B[oi]BL[928.178];W[og]WL[1576.901];B[nj]BL[853.449];W[mi]WL[1570.401];B[mj]BL[851.779];W[lj]WL[1566.407];B[li]BL[806.568];W[mh]WL[1559.891];B[kj]BL[804.977];W[lk]WL[1556.936];B[ok]BL[792.461];W[kk]WL[1547.5];B[jk]BL[724.927];W[jj]WL[1534.166]C[double atari is good for white (because ladder is good for him)];B[ki]BL[715.753];W[jl]WL[1529.589];B[ik]BL[704.005];W[kl]WL[1504.049];B[in]BL[566.538];W[il]WL[1493.523]LB[ij:C][hk:A][hl:B]C[what should black play ?];B[hk]BL[562.755]C[worst choice because it damage black bottom. Atari C was the better choice];W[hl]WL[1489.082];B[gk]BL[551.19](;W[ji]WL[1481.776]C[white is starting another fight ... not good for him];B[lg]BL[518.341];W[jh]WL[1474.475]C[why not defending the other group ?];B[mg]BL[504.882];W[ng]WL[1470.406];B[lh]BL[503.449];W[nh]WL[1467.63];B[jf]BL[408.912]LB[md:B][me:A][mf:C]C[connecting at A is better, because there are no other weakness but white has three weak groups. Now white can play B or C and B to save one of his weak group];W[hh]WL[1453.534];B[hf]BL[362.82];W[gl]WL[1449.012];B[gh]BL[330.005]C[nobi with the four stones is better];W[gi]WL[1442.075];B[fk]BL[297.326];W[gg]WL[1436.571];B[fh]BL[258.439];W[hg]WL[1424.516];B[gn]BL[239.119]LB[fi:D][jn:E][jo:F]C[black should fix with D first because E is painful for black. He should sacrifice two stones and play F];W[fl]WL[1380.206];B[ek]BL[185.716]TR[fi]C[black can also fix everything ];W[el]WL[1374.691];B[do]BL[168.81]C[tobi is enough for black](;W[dk]WL[1366.447];B[dj]BL[154.854];W[dm]WL[1361.532];B[ck]BL[141.241];W[dl]WL[1355.712](;B[co]BL[93.897]LB[cj:B][fo:A]C[black wants to kill everything but he has to be carrefull of A and B](;W[kp]WL[1347.259];B[ko]BL[54.703];W[jn]WL[1335.48];B[jo]BL[38.526];W[eo]WL[1319.12](;B[ep]BL[13.631];W[fo]WL[1311.408];B[fp]BL[30]OB[5];W[go]WL[1301.315];B[dp]BL[30]OB[5];W[gp]WL[1297.53];B[lq]BL[30]OB[5];W[jm]WL[1288.748];B[ho]BL[30]OB[5];W[kn]WL[1284.183];B[mr]BL[30]OB[4];W[nr]WL[1279.446];B[lr]BL[30]OB[4]LB[iq:A]C[A better for black safety];W[ln]WL[1274.726];B[lo]BL[30]OB[4];W[nn]WL[1262.012];B[gq]BL[30]OB[4];W[hp]WL[1257.406];B[hq]BL[30]OB[4];W[ip]WL[1254.658];B[jr]BL[30]OB[4];W[kf]WL[1240.538];B[kg]BL[30]OB[4];W[jg]WL[1236.765];B[je]BL[30]OB[4](;W[ke]WL[1229.731];B[le]BL[30]OB[4];W[kd]WL[1224.745];B[md]BL[30]OB[4];W[gf]WL[1218.921];B[he]BL[30]OB[4];W[me]WL[1207.082];B[ld]BL[30]OB[4]C[black can atari directly and do not have to worry about the three white stones];W[jd]WL[1195.082];B[ne]BL[30]OB[4];W[gd]WL[1181.767];B[hd]BL[30]OB[4];W[hc]WL[1171.967];B[ge]BL[30]OB[4];W[if]WL[1164.597];B[fe]BL[30]OB[4];W[ie]WL[1160.816];B[rd]BL[30]OB[4];W[ri]WL[1147.862](;B[rh]BL[30]OB[4];W[qh]WL[1138.174];B[qi]BL[30]OB[4];W[rg]WL[1133.671];B[ph]BL[30]OB[4];W[nk]WL[1117.783];B[oj]BL[30]OB[4];W[rj]WL[1080.492];B[qg]BL[30]OB[4];W[sh]WL[1076.779];B[rf]BL[30]OB[4];W[qh]WL[1073.006];B[qe]BL[30]OB[4];W[fc]WL[1052.22];B[di]BL[30]OB[4];W[jb]WL[1013.92];B[eb]BL[30]OB[4];W[eg]WL[998.154];B[dg]BL[30]OB[4];W[df]WL[980.941];B[cg]BL[30]OB[4];W[ee]WL[973.95];B[fd]BL[30]OB[4];W[ed]WL[966.345];B[fb]BL[30]OB[4];W[gc]WL[959.395];B[cf]BL[30]OB[4];W[rl]WL[950.495];B[rm]BL[30]OB[4];W[qk]WL[946.262];B[qj]BL[30]OB[4];W[ro]WL[937.619];B[sn]BL[30]OB[4];W[no]WL[892.255];B[io]BL[30]OB[4];W[iq]WL[887.154];B[ir]BL[30]OB[4];W[en]WL[880.895];B[eh]BL[30]OB[4];W[bl]WL[864.519];B[bj]BL[30]OB[4];W[bn]WL[860.467];B[bo]BL[30]OB[4];W[lb]WL[849.237];B[mb]BL[30]OB[4];W[kq]WL[824.782];B[fr]BL[30]OB[4];W[kr]WL[821.097];B[ks]BL[30]OB[4];W[bq]WL[813.664];B[ds]BL[30]OB[4];W[bp]WL[800.925];B[ao]BL[30]OB[4];W[cs]WL[793.39];B[cr]BL[30]OB[4];W[es]WL[785.13];B[dr]BL[30]OB[4];W[eq]WL[779.223];B[er]BL[30]OB[4];W[cq]WL[774.38];B[fq]BL[30]OB[4];W[js]WL[771.411];B[is]BL[30]OB[4];W[ob]WL[750.252];B[nb]BL[30]OB[4];W[qc]WL[744.22];B[rc]BL[30]OB[4];W[rb]WL[739.631];B[sb]BL[30]OB[4];W[sc]WL[733.808];B[sd]BL[30]OB[4];W[pb]WL[730.232];B[pc]BL[30]OB[4];W[sl]WL[661.716];B[lc]BL[30]OB[4];W[nl]WL[651.018];B[oe]BL[30]OB[4];W[rk]WL[633.939];B[sj]BL[30]OB[4])(;B[qi];W[rh];B[qg];W[rg];B[re];W[rf];B[rj]))(;W[le];B[lf];W[ke];B[me]))(;B[en](;W[fo];B[fn];W[dn];B[cq];W[cr];B[eq];W[dr];B[ep]LB[dp:A]C[A is also possible])(;W[dn];B[ep];W[fo];B[fp];W[go];B[gp];W[ho];B[hp];W[fn];B[dp](;W[io];B[ip])(;W[ip];B[io];W[iq];B[kq]))))(;W[cj](;B[di];W[ci];B[dh];W[fo])(;B[ei];W[ci])))(;B[fp];W[cj];B[di];W[ci];B[dh]))(;W[ho];B[hn];W[fo];B[fn];W[en];B[eo];W[dn]))(;W[gl];B[fk];W[jp]C[far better for white]))(;W[ll];B[km];W[mk];B[pi];W[ni];B[pg];W[pf];B[nh];W[oh];B[oi]C[enclosing the other side does not work];W[og];B[nj];W[mi];B[mj];W[lj];B[li];W[mh];B[kj];W[lk];B[nk]C[good move. black has to defend is weakness but like in the game, there's one liberty difference];W[ki];B[lh];W[mg];B[kh];W[kk];B[ml];W[nl];B[nn];W[ml];B[jk];W[jj];B[kl];W[kj];B[ij]))(;B[ml]LB[lo:A]C[you can think about the connection at A];W[mm];B[lm];W[nl];B[nk];W[ll];B[mk];W[ln];B[km];W[mn];B[kn];W[lo];B[ko];W[no];B[ok]))(;B[oq];W[mn];B[or];W[mr]C[if white blocks the corner, black can escape with a ogeima for example];B[qq]C[tobi at the second line is also possible];W[rq];B[qr];W[rr];B[pp];W[qs];B[pr]C[corner is black]))(;B[nm];W[pn]C[three cutting points for black](;B[nl];W[ql];B[qk];W[rm];B[pj]C[black can think about Ko (huge, but need to have ko threats)];W[nn];B[mn]C[atari the other side is kind of greedy because black wanted the influence with his previous moves and now want the bottom ?];W[no];B[lp];W[np];B[oq];W[lq];B[kp];W[kq];B[jq](;W[nr];B[jp];W[or]C[white corner is big but black influence is bigger])(;W[jp]C[white cant' cut];B[jo];W[ip];B[mq]))(;B[ql];W[nl];B[qq];W[rq](;B[pp]C[è];W[qr];B[rn];W[qo];B[pq];W[ro];B[so];W[rp];B[rm];W[sr];B[mm]C[white is alive but both black groups have eye shape, so it's interesting for black])(;B[ro]C[black kills white ?]))))(;W[pm];B[pn];W[ql];B[qo];W[rn];B[ro]C[black took the corner]))