(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.50]TM[60]OT[20/1800 Canadian]DT[2012-10-21]PC[The KGS Go Server at http://www.gokgs.com/]C[1k - 1d game on KGS value of stones : subject of this game]RE[?]MULTIGOGM[0];B[pp]BL[1798.624];W[dd]WL[1793.927];B[cp]BL[1796.921];W[qe]WL[1784.085];B[cf]BL[1795.035];W[fc]WL[1779.323];B[bd]BL[1792.133];W[cc]WL[1766.361];B[ci]BL[1790.166];W[qn]WL[1764.472];B[nq]BL[1786.742];W[pk]WL[1762.138];B[rp]BL[1785.075]LB[pc:B][ep:A]C[is this jump the biggest move right  now ? A or B would be bigger];W[fq]WL[1729.594];B[dq]BL[1762.402];W[iq]WL[1702.183](;B[qc]BL[1758.716]C[the problem of the san-san approach is that white will enclose the opponent and it's not good in this situation];W[od]WL[1685.491];B[pd]BL[1754.798];W[pe]WL[1671.387];B[oc]BL[1750.876];W[nc]WL[1669.542];B[nd]BL[1748.983]C[not a good move];W[oe]WL[1644.044];B[nb]BL[1745.968];W[mc]WL[1632.936];B[mb]BL[1738.54];W[lc]WL[1630.626]C[white seems good satisfied. Plus black made a joseki mistake. If black would have played move 25 directly, he will not play the atari (move 23) after.];B[ph]BL[1736.729];W[rc]WL[1547.922];B[rb]BL[1715.29](;W[qb]WL[1523.616];B[pb]BL[1707.538];W[qd]WL[1500.003];B[pc]BL[1704.59];W[sb]WL[1477.687];B[qa]BL[1681.098]C[white could play a Ko and it would be painful for black (life problem)](;W[oi]WL[1447.46]C[attack problem (or you should read before doing something like that and don't let black escape];B[oh]BL[1675.894];W[nh]WL[1445.871];B[ng]BL[1661.393](;W[og]WL[1293.669](;B[pi]BL[1644.851];W[oj]WL[1262.819];B[qk]BL[1640.189];W[ql]WL[1184.689];B[qj]BL[1636.526];W[pl]WL[1138.784];B[mh]BL[1629.246];W[ni]WL[1134.384];B[rg]BL[1623.87];W[pg]WL[1055.697];B[ri]BL[1608.796];W[mg]WL[979.586];B[lg]BL[1603.236];W[mf]WL[957.637];B[lh]BL[1600.423]LB[ng:A]C[black does not need to connect because those stones are heavy and white stones are connected with A. Value of stones are important. Plus, maybe black would want white to cut and there will be a ladder useful for black.](;W[lq]WL[886.491];B[lb]BL[1584.937];W[kc]WL[880.184];B[kb]BL[1583.044];W[jc]WL[847.745];B[jb]BL[1575.139];W[ib]WL[819.706](;B[lj]BL[1564.321]C[this is not good for black (should jump other side), stones are more and more heavy];W[ki]WL[756.921];B[jg]BL[1556.962](;W[li]WL[743.482];B[mi]BL[1554.721];W[mj]WL[741.65](;B[lk]BL[1550.998]C[black wants to fight];W[jh]WL[692.61];B[mk]BL[1546.951];W[nj]WL[685.59];B[ih]BL[1535.57](;W[kg]WL[629.602];B[ji]BL[1530.215](;W[lf]WL[604.543];B[kj]BL[1527.736];W[kh]WL[599.056]LB[ig:A][jg:D][ih:E][ii:B][ji:F][jj:C]C[which stone is not important for black ? where should he connect ?](;B[ig]BL[1525.365]C[D stone was not an important one !];W[ii]WL[527.953];B[jj]BL[1522.708];W[hi]WL[521.346];B[gg]BL[1520.188];W[hk]WL[493.539];B[il]BL[1509.93];W[hl]WL[480.481];B[im]BL[1483.733];W[hm]WL[471.657];B[in]BL[1478.115];W[go]WL[445.189](;B[bc]BL[1466.639];W[np]WL[389.082]LB[mo:A]C[A would have been better](;B[mq]BL[1462.906];W[mp]WL[365.57];B[lp]BL[1460.914];W[oq]WL[330.427];B[lr]BL[1458.224];W[kq]WL[243.703];B[op]BL[1449.324](;W[or]WL[241.386];B[nr]BL[1446.568];W[ns]WL[220.821])(;W[nn];B[or];W[ln]))(;B[mp];W[mq];B[no];W[op];B[oo];W[oq];B[pq];W[or];B[pr];W[mo];B[mn];W[lo];B[pn]))(;B[no];W[dh]))(;B[ii];W[ig];B[hg];W[if];B[hf]C[black gives small]))(;W[kh];B[kj];W[kf];B[ij]))(;W[ii]C[but the fight is good for white ! black has two weak groups.];B[kh];W[ji];B[ig];W[lf];B[kg](;W[hi];B[gg];W[il];B[mn](;W[dg])(;W[dh](;B[ch];W[df])(;B[cg];W[ef])))(;W[gi];B[gg];W[mo])))(;B[mk];W[nj];B[ji]C[black should give up some stones to control the center];W[kj];B[jj];W[lk];B[jk];W[kh];B[if];W[kg]C[black gives small candy to ...];B[fo]LB[ck:A]C[better result for black. white can't imagine to play A because of black stones on the center now];W[ck]))(;W[ii]))(;B[hp];W[hq];B[fp];W[gp];B[go];W[gq];B[ep];W[jh];B[fj]))(;W[dh];B[ch];W[df];B[ce];W[ej];B[dk];W[ek];B[dl]C[if black is so greedy, then white can enclose a bigger area on the center];W[kk])(;W[lj];B[jh];W[jj];B[hh]C[white does not see the use of is two last stones. White attack but for what ? It was pointless.])(;W[jh]C[this would be better for white but ...];B[kq];W[kj];B[ef];W[jf];B[fo]C[black profit is bigger leaving three stones for white])(;W[dj]C[another kind of shoulder attack];B[di];W[ej];B[ei];W[fj];B[bk];W[fi]C[this is locally good for both but white will really have a larger center])(;W[ck];B[cm];W[ek];B[ei];W[gk];B[gi]C[this is not very good for white because he helps black to connect is stones.])(;W[ej]C[also possible for white];B[dk];W[ek];B[dl];W[dh];B[ch];W[df];B[lj];W[ll]))(;B[ni];W[mh];B[oj];W[pi];B[pj];W[qi];B[qj]LB[pk:A][qn:B]C[A and B are too much damaged]))(;W[mh];B[pi];W[oj];B[of](;W[mf])(;W[ne];B[mg]C[in this situation, white can't nobi again and again because the attack would be a failure];W[lg];B[mf];W[ke])))(;W[nh];B[oj];W[ok](;B[nj];W[pj];B[oi]C[not a good shape for black](;W[qh];B[qg];W[rh]C[black is the only one to run for life at the end])(;W[ml]C[white does not need to continue the attack]))(;B[ni];W[mi](;B[nj]C[this is the best move here ^^];W[pj](;B[oh];W[mh];B[mj];W[pi];B[oi];W[qh];B[qg];W[rg])(;B[pi];W[mh];B[mj];W[ml];B[kj];W[mp];B[mq];W[lp]))(;B[mj];W[oi];B[nj];W[pj];B[mh];W[oh];B[li]C[black could have a ponuki on the center but white made a lot of territory on the side (black gives too much for white)]))))(;W[rd](;B[nh];W[pb])(;B[sb];W[pb]C[white missed the peep])))(;B[oc]LB[lc:B][qc:A]C[A and B are miai]))