(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]HA[7]KM[0.50]TM[1800]PW[Cornel]PB[mac48]WR[7단]BR[17k]DT[2012-11-22]PC[The KGS Go Server at http://www.gokgs.com/]AB[dd][pd][dj][jj][pj][dp][pp]RE[W+220.50];W[fq]WL[1793.405](;B[eq]BL[1797.654]C[Cornel [7d]: why this kosumi tsuke ? I guess is to protect the corner..];W[fp]WL[1789.045];B[dn]BL[1790.502];W[jq]WL[1786.784]LB[cq:A][gq:1][hq:2][iq:3]SQ[fp][fq]C[Cornel [7d]: the extensions 3 spaces is ideal for whiteCornel [7d]: besides white can enter san san laterCornel [7d]: so the corner is still vulnerable. So try to find a bigger move. hint: play in the most open area !](;B[gn]BL[1775.335]C[Cornel [7d]: why g6 ? g6 isnt bad locally. looks nice to enclose the middle but early in the game gotta focus in corners and sides first then get to the middle..](;W[jc]WL[1782.544]C[Cornel [7d]: see why I played here now ? to break the top side and take away the nice extension for black. most of the times you gotta play moves opponent find attractive too](;B[mc]BL[1770.2]C[Cornel [7d]: n17 is very goodCornel [7d]: no need to try to find a fancy move when n17 is natural and a good play];W[fc]WL[1779.829](;B[ec]BL[1768.168];W[fd]WL[1777.712];B[df]BL[1765.737];W[nq]WL[1776.108];B[oq]BL[1757.304];W[np]WL[1774.068];B[qn]BL[1756.429];W[qd]WL[1772.044];B[qc]BL[1753.695]C[Cornel [7d]: r17 is a good block];W[qe]WL[1770.971](;B[ne]BL[1750.413]C[Cornel [7d]: this jump is not very effective ];W[pc]WL[1767.491](;B[oc]BL[1743.308];W[pb]WL[1765.501](;B[qb]BL[1742.428];W[ob]WL[1763.188](;B[nb]BL[1735.758];W[od]WL[1761.177];B[nc]BL[1733.803];W[pe]WL[1759.088]C[Cornel [7d]: white got too much profit there and initially black had more potential in that corner..](;B[og]BL[1724.282];W[ch]WL[1753.185](;B[cg]BL[1717.21];W[dh]WL[1750.983]LB[dg:A](;B[dg]BL[1714.767]C[Cornel [7d]: move 34 is questionable];W[cj]WL[1749.348];B[ck]BL[1711.452];W[dk]WL[1747.576](;B[bk]BL[1708.8]LB[bj:A]TR[df][cg][dg]C[Cornel [7d]: should atari at A to force w into an empty triangle which is generally a bad shape];W[ej]WL[1745.459];B[dl]BL[1704.361];W[di]WL[1743.15](;B[ek]BL[1702.71]LB[el:A]C[A is better for black];W[fk]WL[1740.641];B[dj]BL[1699.893];W[cq]WL[1738.49];B[cp]BL[1691.953];W[dk]WL[1736.602](;B[dq]BL[1685.258];W[el]WL[1734.668];B[em]BL[1683.597]LB[dm:A]C[no more cutting points for black with A];W[cl]WL[1732.651];B[dm]BL[1681.008]C[Cornel [7d]: if we change the order of moves here..];W[bl]WL[1731.018](;B[bj]BL[1677.774];W[bi]WL[1728.591];B[fl]BL[1673.569];W[bn]WL[1722.447]LB[bm:A]C[Cornel [7d]: this move was to prevent your sente forcing moves at A];B[bo]BL[1667.353];W[ql]WL[1714.251](;B[rm]BL[1659.395];W[qj]WL[1709.653];B[qi]BL[1657.735];W[pk]WL[1707.719];B[oj]BL[1656.043]LB[rj:A];W[ri]WL[1705.083](;B[rh]BL[1653.656];W[qh]WL[1702.524];B[pi]BL[1651.952];W[rj]WL[1696.796];B[qg]BL[1643.568];W[nl]WL[1694.192](;B[ph]BL[1639.897]C[useless move for black];W[po]WL[1690.957](;B[qo]BL[1636.454];W[qq]WL[1690.198](;B[pq]BL[1622.511];W[qp]WL[1687.79];B[qr]BL[1619.603];W[rr]WL[1686.17](;B[rq]BL[1615.177];W[rp]WL[1684.482];B[ro]BL[1609.982];W[sq]WL[1682.833];B[nr]BL[1604.132]C[Cornel [7d]: the thing is you gave me eye shape playing s3 cut inside and now is hard to run out..];W[mr]WL[1680.014];B[os]BL[1599.325];W[pr]WL[1677.583];B[mq]BL[1584.828];W[lr]WL[1675.005];B[oo]BL[1581.546];W[pn]WL[1673.075];B[on]BL[1578.027];W[pm]WL[1671.68];B[no]BL[1561.525];W[mp]WL[1669.346];B[mk]BL[1550.952];W[ml]WL[1664.858](;B[nk]BL[1549.657];W[cc]WL[1648.096];B[cd]BL[1544.014];W[eb]WL[1645.655];B[dc]BL[1540.646];W[db]WL[1642.81];B[fe]BL[1539.787]LB[cb:A]C[Cornel [7d]: is big to cut this stone in order to keep the corner safe];W[ge]WL[1638.264];B[ff]BL[1536.434];W[bc]WL[1635.832];B[bd]BL[1533.833];W[kl]WL[1624.398](;B[hg]BL[1528.684];W[je]WL[1617.607];B[jg]BL[1523.326];W[kf]WL[1615.072];B[kg]BL[1521.952];W[lf]WL[1613.119](;B[lg]BL[1521.001];W[nd]WL[1609.12](;B[md]BL[1517.465];W[me]WL[1606.572];B[oe]BL[1515.257];W[pd]WL[1604.192];B[of]BL[1512.296]LB[le:B][mf:A]C[black could have played A-B sequence before];W[mg]WL[1601.641];B[kc]BL[1509.917];W[jb]WL[1599.103];B[kb]BL[1508.15];W[if]WL[1591.258];B[le]BL[1501.317];W[mf]WL[1589.395](;B[mh]BL[1493.805];W[ld]WL[1584.369];B[lc]BL[1480.029];W[jn]WL[1571.652];B[jl]BL[1471.487];W[kk]WL[1568.873];B[jk]BL[1463.909];W[ho]WL[1565.627];B[hn]BL[1456.924];W[in]WL[1561.146];B[hl]BL[1456.185];W[fr]WL[1557.765];B[fo]BL[1450.759];W[cs]WL[1552.719];B[bq]BL[1441.347];W[bg]WL[1545.029];B[bf]BL[1435.7];W[ig]WL[1539.382];B[ih]BL[1427.597];W[hh]WL[1537.659];B[gg]BL[1424.438];W[nh]WL[1535.069];B[ni]BL[1416.488];W[lh]WL[1531.726];B[mi]BL[1414.153];W[jh]WL[1530.859];B[kh]BL[1402.391];W[ii]WL[1528.811];B[li]BL[1401.114];W[eg]WL[1520.633];B[ef]BL[1397.284];W[ce]WL[1514.616];B[de]BL[1381.574];W[ed]WL[1510.931];B[fg]BL[1358.631];W[fi]WL[1503.241];B[eh]BL[1350.571];W[fh]WL[1493.541];B[gh]BL[1336.33];W[gi]WL[1482.204];B[ac]BL[1328.509];W[ek]WL[1473.233];B[cb]BL[1319.203];W[bb]WL[1463.117];B[ag]BL[1300.626];W[bh]WL[1455.969];B[af]BL[1298.842];W[cr]WL[1445.029];B[dr]BL[1288.766];W[ds]WL[1441.869];B[br]BL[1282.452];W[es]WL[1439.846];B[cn]BL[1276.485];W[bm]WL[1425.973];B[ao]BL[1272.2];W[go]WL[1417.326];B[fn]BL[1261.413];W[gl]WL[1413.519];B[fm]BL[1258.417];W[hk]WL[1410.905];B[il]BL[1255.968];W[rf]WL[1407.156];B[rg]BL[1242.989];W[bs]WL[1398.919];B[ar]BL[1239.166];W[lk]WL[1394.064];B[lj]BL[1236.122];W[ep]WL[1390.829];B[eo]BL[1228.046];W[jm]WL[1387.817];B[im]BL[1216.957];W[ji]WL[1384.638];B[ki]BL[1206.936];W[ng]WL[1377.461];B[oh]BL[1205.905];W[ok]WL[1361.842];B[pf]BL[1190.865];W[qf]WL[1359.784];B[kj]BL[1177.987];W[ij]WL[1355.745];B[gm]BL[1168.235];W[gk]WL[1353.607];B[km]BL[1134.526];W[ll]WL[1345.379];B[lm]BL[1102.045];W[mn]WL[1328.021];B[mm]BL[1087.612];W[nm]WL[1325.531];B[kn]BL[1074.261];W[ip]WL[1309.635];B[jf]BL[1057.935];W[sf]WL[1296.987];B[sg]BL[1049.907];W[rd]WL[1290.987];B[kd]BL[1043.886];W[ke]WL[1288.513];B[jd]BL[1034.979];W[id]WL[1286.204];B[ja]BL[1029.722];W[hb]WL[1279.1];B[ib]BL[1024.842];W[ic]WL[1277.016];B[hc]BL[1021.328];W[ia]WL[1262.249];B[ka]BL[1019.102];W[an]WL[1256.385];B[be]BL[997.108];W[ad]WL[1245.927];B[ae]BL[983.946];W[si]WL[1240.812];B[ab]BL[978.469];W[ba]WL[1235.807];B[hf]BL[945.637];W[ie]WL[1215.431];B[he]BL[944.392];W[hd]WL[1209.175];B[na]BL[915.187];W[er]WL[1200.007];B[la]BL[911.798];W[mb]WL[1194.346];B[rl]BL[894.817];W[rk]WL[1181.37];B[sl]BL[888.697];W[sn]WL[1178.743];B[lp]BL[856.962];W[mo]WL[1168.641];B[op]BL[856.026];W[lq]WL[1130.245];B[]BL[827.115];W[]WL[1102.675]TW[aa][ca][da][ea][fa][ga][ha][ja][ka][la][ma][na][oa][pa][qa][ra][sa][ab][cb][fb][gb][ib][kb][lb][nb][qb][rb][sb][ac][dc][ec][gc][hc][kc][lc][mc][nc][oc][qc][rc][sc][ad][bd][cd][dd][gd][jd][kd][ld][md][sd][ae][be][de][ee][fe][he][le][re][se][af][bf][cf][df][ef][ff][gf][hf][ag][cg][dg][eg][fg][gg][hg][ah][eh][gh][ih][ai][ci][ei][hi][aj][bj][dj][fj][gj][hj][sj][ak][bk][ck][qk][sk][al][ol][pl][rl][sl][am][km][lm][mm][om][qm][rm][sm][kn][ln][nn][on][qn][rn][io][jo][ko][lo][no][oo][qo][ro][so][gp][hp][jp][kp][lp][op][pp][sp][gq][hq][iq][kq][mq][oq][pq][rq][gr][hr][ir][jr][kr][nr][or][qr][sr][fs][gs][hs][is][js][ks][ls][ms][ns][os][ps][qs][rs][ss]TB[pg][lh][qh][oi][mj][nj][hm][en][co][do][ap][bp][aq])(;B[ke]C[Cornel [7d]: so this was a move to make life](;W[kd];B[ld](;W[jf];B[lb])(;W[lb];B[jf];W[mh];B[jd];W[ie];B[id];W[hc];B[hd]C[Cornel [7d]: black escapes this way]))(;W[jf];B[lb];W[kd];B[ld]LB[mb:2][lc:1]C[Cornel [7d]: 2 clear eyes])))(;B[me];W[md];B[le];W[ld];B[ke];W[jf];B[kd];W[kc];B[jd];W[id];B[mf];W[hf];B[gf];W[he]))(;B[oe];W[lg];B[lk];W[jm];B[he];W[gd]))(;B[hp];W[hq];B[ip];W[iq];B[ko];W[ln]C[Cornel [7d]: could reduce a bit this way];B[je]C[Cornel [7d]: then try to build some in the middle but still not enough. is just that you lose by less points]))(;B[lk];W[km]C[Cornel [7d]: lost too much in this corner. the game is practically over after this fight cause black doesnt have enough potential on the rest of the board to redeem his loss]))(;B[pr];W[rs];B[ro];W[rq];B[nr];W[mr];B[oo];W[pn];B[on];W[pm];B[op];W[sp](;B[sr])(;B[so];W[sn]C[Cornel [7d]: tough capturing race again])))(;B[qp];W[or];B[pr];W[pq];B[qr](;W[op];B[rq]C[Cornel [7d]: another way to secure the cornerCornel [7d]: this is a basic block sequence])(;W[rq]C[Cornel [7d]: what if white comes out like this ];B[op](;W[nr];B[rr])(;W[rr];B[nr]C[Cornel [7d]: he just dies bigger]))))(;B[qp];W[or];B[pr];W[op];B[pq];W[qo];B[ro]C[Cornel [7d]: corner is safer like this ]))(;B[hc];W[ph];B[oh]C[Cornel [7d]: w cant go out anyway];W[pg];B[pf]))(;B[rj];W[rk]C[connection for white would be painful];B[qk]C[Cornel [7d]: could fight a ko here, is more active play]))(;B[qj];W[ol];B[on];W[nn];B[qg]LB[qq:A]SQ[on][qn][pp][oq]C[Cornel [7d]: with this shape white can't live in the corner at A];W[qq];B[or];W[ro];B[rn];W[qo];B[po]SQ[on]C[Cornel [7d]: no more cut at A that is why sqaurre jump is crucial];W[rr];B[qs];W[rs];B[so];W[rp];B[sq];W[sp];B[sr];W[sn];B[rm];W[ps];B[pr]LB[sq:1]C[Cornel [7d]: only 1 eye so black can keep a nice solid corner. This is a sequence to remember and recognize in your next games]))(;B[bm];W[bj];B[cm];W[ak]C[Cornel [7d]: should just sacrifice]))(;B[er]C[Cornel [7d]: should descend, white can't live in the corner anymore];W[el]))(;B[on];W[el];B[dm]))(;B[bj];W[ci];B[cl];W[ej];B[dl];W[ek]TR[ch][dh][ci]C[Cornel [7d]: white's shape is heavy tooCornel [7d]: well, go is a game of balance so you gota give and take but have to be careful about the trades]))(;B[cj]C[Cornel [7d]: blocking this side is bigger];W[ce];B[de];W[bg];B[bf];W[cf];B[be];W[dg];B[cd];W[fg]C[Cornel [7d]: the corner is safe even if w reduces a little bit in sente ..]))(;B[cf];W[eh];B[cj];W[fg]C[Cornel [7d]: both the top left corner and the side are safe now so should simply let white run out on neutrals..Cornel [7d]: move31 doesn't damage so much in that area])(;B[be];W[cj];B[ck];W[bk];B[dk];W[bi];B[bl];W[di];B[ak];W[bj];B[bg];W[fi]C[Cornel [7d]: also possible follow up])(;B[dh];W[cg];B[dg];W[cj];B[ck];W[ci];B[dk];W[bd];B[cd];W[be];B[bc];W[bk];B[bl];W[aj]TR[fc][jc][fd]SQ[dd][df][dg][dh][dj][dk]C[Cornel [7d]: or this way but now is hard to use the wall cause that thickness is facing white's top group which is pretty solid. so black doesn't seem to compensate enough for giving up the left side]))(;B[le]C[Cornel [7d]: this shape is better to protect against o16 push and cut..]))(;B[nc];W[pe];B[od];W[rb]C[Cornel [7d]: here is a tesuji to kill the corner..];B[rc];W[qa];B[nb];W[rd]C[Cornel [7d]: w is faster in the capture race]))(;B[od];W[qb];B[qg]))(;B[pb];W[oc];B[ob];W[od];B[rc];W[oe];B[qg]C[Cornel [7d]: unless you continue like this. show some resistance in that corner fight]))(;B[pc]C[Cornel [7d]: but next should connect solid here ];W[qh]C[Cornel [7d]: then whtie extends for a base];B[ri]C[Cornel [7d]: and black can block the side attacking];W[oh]C[Cornel [7d]: which is a good principle too, build while attack..])(;B[rc];W[pe];B[od];W[qh]C[Cornel [7d]: also good to keep the corner this way]))(;B[hc]C[Cornel [7d]: so this invasion];W[fe];B[cf](;W[id];B[db];W[hd]C[Cornel [7d]: the idea of h17 is to sacrifice in order to induce the corner defense in the top right and keep sentemac48 [17k]: sacrifice h17Cornel [7d]: easy to understand ?])(;W[db](;B[id];W[cc];B[jd]C[Cornel [7d]: a trade like this can happe as welldragonslay [1k]: would that be better then taking corner for white?Cornel [7d]: that shows some fighting spirit])(;B[cc];W[id]C[Cornel [7d]: well all those variations are playable so hard to say which is better. many times is just a matter of style and / or taste]))))(;B[ic]C[Cornel [7d]: is too agressive to play that contact](;W[id];B[hc];W[jd](;B[fd];W[nc])(;B[nc];W[fc]))(;W[ib];B[hc](;W[hb];B[gc];W[jd]C[Cornel [7d]: I would hane up or down])(;W[jd];B[hb];W[nc]C[Cornel [7d]: that contact is a bit overplayish. no need to get too close..])))(;B[hc]LB[gc:A]C[Cornel [7d]: is enough to approach like this : once space distance]))(;W[qn]C[Cornel [7d]: lets say white plays this inside approach];B[qo];W[pn];B[nq]SQ[pj]C[Cornel [7d]: in this case r5 is very good contact play and a recommended move cause white can't extend ideal anymore];W[pl]LB[qo:B][eq:A]C[Cornel [7d]: which makes white extend small and is a bit uncomfortable and overconcentrated. That is something you wish your opponent do all the time, become heavy and cramped. So in other words same contact play can be good and bad depending on the given situation]))(;B[jd]LB[qn:A]C[Cornel [7d]: yeah that is huge, covers a bit open spacedragonslay [1k]: or r6 if u like a more defensive game]))(;B[dn];W[jq]LB[fp:2][eq:1][hq:A]C[Cornel [7d]: 1,2 exchange can be skipped and defend the corner right away and now black can invade at A later in the game]))