(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.50]TM[60]DT[2013-04-04]PC[The KGS Go Server at http://www.gokgs.com/]RE[?]MULTIGOGM[0];B[qd]BL[1796.19];W[dp]WL[1777.52];B[pp]BL[1790.27];W[cd]WL[1767.62];B[oc]BL[1787.04];W[qn]WL[1757.8];B[ql]BL[1774.14];W[on]WL[1680.11];B[np]BL[1769.77];W[pk]WL[1677.23];B[qk]BL[1767.6];W[pj]WL[1674.75];B[pl]BL[1759.77];W[ol]WL[1672.8];B[qj]BL[1758.18];W[pi]WL[1670.54];B[qh]BL[1756.75];W[og]WL[1663.74];B[qg]BL[1751.38];W[lq]WL[1656.45](;B[lp]BL[1724.86]C[black helped white to fix his stone];W[kp]WL[1650.23];B[lo]BL[1722.65];W[mq]WL[1647.66];B[no]BL[1718.44];W[or]WL[1596.4];B[om]BL[1712.48];W[nm]WL[1591.23];B[pm]BL[1710.33];W[nn]WL[1589]C[there's a problem for white](;B[pn]BL[1708.02];W[qq]WL[1573.85];B[qp]BL[1694.18];W[lm]WL[1544.1](;B[ed]BL[1670.55];W[hd]WL[1535.96]LB[ko:A]C[A is important big territory and black is enclosed];B[ef]BL[1664.94];W[cf]WL[1527.48];B[cc]BL[1660.99];W[bc]WL[1523.53];B[kd]BL[1658.31](;W[dc]WL[1506.73]C[black has not finished the joseki on the corner but there's a fight at the top of the board, white should jump first];B[ec]BL[1649.1];W[cb]WL[1503.44](;B[gf]BL[1615.1]C[a little soft];W[eb]WL[1498.94];B[gc]BL[1611.53];W[hc]WL[1484.55];B[hb]BL[1606.18]C[tigger mouth is better];W[ib]WL[1480.36];B[gb]BL[1599.74]C[tigger mouth is better because white has less sente moves];W[jc]WL[1435.85];B[ie]BL[1587.81];W[gd]WL[1423.99];B[id]BL[1579.32];W[ic]WL[1403.34];B[fd]BL[1573.23];W[fb]WL[1397.29];B[fc]BL[1570.18];W[lc]WL[1382.38];B[ld]BL[1554.74];W[mc]WL[1376.25]C[black has to make sure to enclose white sente to attack the center group](;B[md]BL[1546.26];W[nc]WL[1371.36];B[nd]BL[1538.68];W[ob]WL[1369.22];B[pb]BL[1535.2];W[pc]WL[1366.41];B[od]BL[1533.28];W[na]WL[1362.41];B[qb]BL[1529.62]C[black ended up gote and center group would be alive easially. Black should have leave the corner and cut the center group];W[ko]WL[1334.1];B[mb]BL[1515.42];W[lb]WL[1314.36];B[kc]BL[1513.28];W[kb]WL[1309.72];B[ia]BL[1511.67];W[ja]WL[1306.22];B[ha]BL[1507.81];W[li]WL[1196.52]C[white has no more weakness])(;B[ne];W[ob];B[pb];W[nb];B[nl];W[ok];B[ml]))(;B[hf];W[fe];B[ee];W[gg]C[black does not have to worry about this];B[gf];W[ff];B[fg];W[eg];B[fh];W[gd];B[dg]))(;W[hf];B[eh];W[kf]))(;B[nl]C[timing to cut is important];W[ok];B[ml];W[ln];B[ko];W[lk]C[white is alive at the bottom, so no need to be weak on the center];B[jp];W[kq]C[white is on trouble on the center now];B[nj](;W[nk];B[mk];W[mj];B[lj])(;W[mj];B[nk];W[ni];B[oi](;W[mi];B[ph];W[oh];B[qi])(;W[oh];B[mi];W[oj];B[lj]))))(;B[nl];W[ok];B[ml];W[ln];B[ko];W[jp];B[ll];W[lm]C[white has two groups]))(;B[mo]C[better move to aim the wedge](;W[jp];B[om];W[nm];B[pm];W[nl];B[pn])(;W[om];B[kp];W[jq];B[ed])))