(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.00]PW[Ogata Masaki 8P]PB[Hikosaka Naoto 8P]C[Hikosaka powerful fusekis];B[qd]C[Fuseki 1];W[dd];B[pq];W[dp];B[oc];W[po];B[qo];W[qn];B[qp];W[pn];B[nq];W[qj];B[cf];W[fc];B[cn];W[cl];B[en]C[instead of san-san invasion];W[fq];B[bp];W[cq];B[ci];W[el];B[gn];W[hp];B[hl]C[Hikosaka and his powerful fuseki (fighter fuseki)];W[];AE[fc][oc][dd][qd][cf][ci][qj][cl][el][hl][cn][en][gn][pn][qn][po][qo][bp][dp][hp][qp][cq][fq][nq][pq]C[Fuseki 2];B[qd];W[dc];B[pq];W[cq];B[oc];W[qn];B[qp];W[pj];B[qh];W[on];B[mq];W[oh];B[pm]LB[qf:A]C[Most common move for black is A, but ...];W[pn];B[qk];W[qj];B[pk];W[oj];B[rj]C[Start the fight];W[ri];B[rk];W[qi];B[nl];W[op];B[oq]C[white has two weak groups, and black only one];AE[dc][oc][qd][oh][qh][qi][ri][oj][pj][qj][rj][pk][qk][rk][nl][pm][on][pn][qn][op][qp][cq][mq][oq][pq]C[Fuseki 3];B[pd];W[dp];B[qp];W[dd];B[fq];W[cn];B[kq];W[qj];B[qh];W[qm];B[pk];W[om]C[A is the common move](;B[qk];W[op]C[white sacrifice one stone];B[pq];W[oq];B[po];W[oo];B[pr];W[pn]LB[hq:B][iq:A]C[white can use his wall to play at A or B and attack the black stones];AE[dd][pd][qh][qj][pk][qk][om][qm][cn][pn][oo][po][dp][op][qp][fq][kq][oq][pq][pr]C[Fuseki 4];B[pd];W[dd];B[pp];W[dp];B[fq];W[cn];B[jp];W[qn];B[ql];W[qf];B[nc];W[on];B[np];W[pk];B[pl];W[ol];B[qk];W[pj];B[qj];W[pi];B[qi];W[ph];B[pm];W[qq];B[qp];W[rp];B[om];W[nl];AE[nc][dd][pd][qf][ph][pi][qi][pj][qj][pk][qk][nl][ol][pl][ql][om][pm][cn][on][qn][dp][jp][np][pp][qp][rp][fq][qq]C[Fuseki 5];B[pd];W[dd];B[pq];W[dp];B[fq];W[cn];B[fc];W[df];B[pk]C[speed fuseki](;W[ec];B[jd]LB[fd:A][jd:B]C[If black plays at move 111, white will pincer at move110 and black will be attacked];W[fd];B[jp]LB[nc:A][qf:B]C[black tenuki but is development is fastwhere should white play ? A or B ?](;W[nc]TR[jd]C[this way, white try to make useless black marked stone];B[oc];W[nd];B[pf];W[ld];B[jf];W[mg];B[kg];W[mi];B[og]LB[lg:A]C[white has to defend his weakness (he should play A];W[ki];B[me];W[ne];B[gd];W[gc];B[hc];W[fb];B[mf];W[ke];B[nf];W[je];B[ie];W[if];B[he];W[lg];B[kd];W[le];B[lf];W[kf];B[jg];W[gf];B[lc];W[md];B[ji]C[white is dead on the top and as a weak group on the center];AE[fb][ec][gc][hc][lc][nc][oc][dd][fd][gd][jd][kd][ld][md][nd][he][ie][je][ke][le][me][ne][df][gf][if][jf][kf][lf][mf][nf][pf][jg][kg][lg][mg][og][ji][ki][mi][pk][cn][dp][jp][fq][pq]C[Fuseki 6];W[dd];B[pp];W[dp];B[jp];W[qn];B[np];W[rp];B[ql];W[qq];B[qo];W[ro];B[pn];W[rn];B[pm];W[nc];B[pr];W[qr];B[ne]C[unusual move];W[qc];B[qd];W[pc];B[mc];W[mb];B[nd];W[oc];B[lc];W[lb];B[kc]C[looks good for black (big moyo)];W[dj];B[fp];W[dn]C[for moyo];B[fn]C[also for moyo];W[ji]LB[hi:A][li:B][jk:C]TR[od][sk]C[what shoul black do ?enclose, defend ? A, B or C ?Do not forget that black has two weakness](;B[fk]C[In the game, the goal of this move was not the center];W[dl];B[ei](;W[jk]LB[jg:B][jj:C][jm:A]C[white doesn't have to defend the left group (because it is already alive and have a good position)for black, A is to slowand B is to difficult to killC to separate the white stones and get some points can be a good idea];B[di];W[cj];B[li];W[hk];B[el];W[od];B[oe];W[pe];B[pf];W[qe];B[rd]LB[re:B][qf:A][rf:C]C[the better local move for white is C, because B will give black a big territory and A will make the white stones weaker because black can live on the right and on the left];W[rf];B[qh];W[re];B[ci];W[gi];B[ej];W[dm];B[ih];W[jh];B[ig];W[ii];B[gg];W[lj]TR[dd]C[now white has a weak group (marked stone)](;B[cc]LB[fc:1];W[dc];B[cd](;W[de];B[ce];W[hc]LB[df:A]C[A is the normal move for white (without any stones outside)];B[mi];W[km];B[fc](;W[fd];B[fb];W[cb];B[bb];W[eb];B[ca]C[black try to kill the whole group];W[db];B[gc];W[cf];B[ac];W[gd];B[hb];W[ic];B[jb];W[ib];B[ia];W[fa];B[ha];W[bf];B[be];W[fh];B[ef];W[df];B[eg];W[gb];B[ga];W[ec];B[ea];W[da]LB[ba:A][fa:B];B[ba];W[fa]LB[ab:D][bc:C][ae:B][co:A]TR[fg][eh]C[Any Ko treats for black ? A ?but white has many : B - C - DFuthermore, if black tries to kill the white in the center, he should fix the possible cuts];B[il];W[ik];B[ll];W[fg];B[ff];W[gf];B[hf];W[ge];B[dg];W[je]C[black is on troubleFinally, black lost the game even with his powerful fuseki];B[];AE[ba][ca][da][fa][ga][ha][ia][bb][cb][db][eb][fb][hb][ib][jb][lb][mb][ac][cc][dc][ec][fc][gc][hc][ic][kc][lc][mc][nc][oc][pc][qc][cd][dd][fd][gd][nd][od][qd][rd][be][ce][de][ge][je][ne][oe][pe][qe][re][bf][cf][df][ef][ff][gf][hf][pf][rf][dg][eg][fg][gg][ig][fh][ih][jh][qh][ci][di][ei][gi][ii][ji][li][mi][cj][dj][ej][lj][fk][hk][ik][jk][dl][el][il][ll][ql][dm][km][pm][dn][fn][pn][qn][rn][qo][ro][dp][fp][jp][np][pp][rp][qq][pr][qr]C[Fuseki 7];W[dd];B[pp];W[dp];B[fq];W[cn];B[dr];W[cq];B[fo];W[kq]LB[iq:A][mq:B](;B[mq](;W[gp](;B[gq];W[hp];B[hq](;W[fp];B[ip];W[eq];B[jq];W[er]C[white got the corner and black the side];B[io]LB[kp:A]C[A should be better and enough for black](;W[qj];B[qh];W[qn];B[qp];W[pl](;B[fc];W[cf];B[jd];W[qf];B[nd];W[qc];B[qd];W[rd];B[pc];W[rb];B[qb];W[rc];B[pb](;W[pf]C[seems slow];B[oh]TR[rl]C[black can escape because he still has the weakness of white (marked) to];W[nf];B[mh];W[lf];B[ld];W[kh];B[mj];W[kj];B[ml];W[ro]LB[ni:D][nk:C][mo:A][rp:B]C[white prevent the invasionblack can play A to save is strong group, but it is slowsame as B (give white move 307 sente) because white can nozoki at C and D and will cut the black group];B[kg];W[lg];B[lh]LB[ra:B][rg:A]C[white can't afford to tenuki because black will get A and b in sente and kill the white group];W[ke];B[jh];W[ki];B[jg]C[now white has two weak groupe];W[kd];B[kc];W[jc];B[ic];W[jb];B[kb];W[id];B[je];W[jf];B[ie];W[if];B[he];W[kf];B[ii]LB[io:A]C[black has to save his cutting stones but has two weak groups !In the Fuseki, black played A and it is now useful];W[mc];B[mb];W[ij];B[hj];W[ik];B[gi];W[hf];B[gl];W[ge];B[hd];W[im];B[hn];W[lm];B[og];W[of];B[ol];W[ll];B[pk];W[qk];B[pm];W[ql];B[rp];W[om];B[on];W[nm];B[mm];W[nl];B[nk];W[ok];B[nn];W[ol];B[ln];W[lk];B[mk];W[kn];B[jn];W[hl];B[hk];W[hm];B[gm];W[jm];B[ko]C[white is alive in the right side and in the center but black is more powerful because he had some stones to get something on the left side];W[ec];B[fb];W[hs];B[cm];W[dn];B[bn];W[bo];B[ch]TR[kg]C[the marked stone was really great,black did not have to kill white groups to win the game])(;W[of]C[If white plays Tobi];B[pf];W[pg];B[rf];W[re];B[qe];W[pe];B[rg]C[now white is separated and it is dangerous for him]))(;B[rl]LB[rj:A][rn:B]C[white has a weakness,black can escape from A or B](;W[rk];B[ql];W[qk];B[rn])(;W[qi];B[rn];W[ph]C[with this option, white is flexible outside])))(;W[kp]LB[kn:B][lo:A]C[white can't escape beacause black enclose with A or B]))(;W[ip];B[fp]C[now, black is alive and white group is heavy]))(;B[iq];W[fp];B[gq];W[hp];B[hq]C[black gain less than white])(;B[fp];W[gq](;B[go];W[fr];B[er];W[gr];B[eq];W[ip]C[white is alive and have a good shapeblack has not a good shape and base of life])(;B[gr];W[hr];B[fr];W[iq]C[white is still confortable and black is not alive yet]))(;B[ep];W[gq]C[still not good enough for black]))(;W[hq];B[ho];W[ko];B[ip];W[iq];B[jp];W[kp];B[jq];W[jr];B[kr];W[lr];B[ir];W[ks];B[hr]C[black left group is safe, right one should be alright and the white one is still under attack.Very agressive style]))(;B[iq]C[If black pincer this side ...];W[nq];B[oq];W[np];B[pn];W[ko]TR[fo]C[marked stone become useless]))(;W[gd];B[fd];W[fe];B[fb];W[db];B[ge]C[black has more liberties]))(;W[ce]LB[de:A]TR[gg]C[white can't play the hane beacause black will cut at A and the white stones will be separated and the shicho is good for black]))(;B[fc]C[If black approach with 1];W[ec];B[fd]LB[bd:A][be:B][cf:C][df:D]C[C and D are usual, but now that black is strong outside,white should prevent the san - san invasion with A or B]))(;W[di];B[eh];W[cg];B[jg]C[this will be good for black]))(;B[jk];W[li];B[lk];W[hi]C[black has a big side but he has no points elsewhere])(;B[li]C[if black defend this side];W[od];B[oe];W[pe];B[pf]C[black sacrifice two stonesIf not (black atari the other side), it will be a dangerous fight];W[qe];B[rd];W[rf];B[qf];W[re];B[rg];W[rc];B[qh];W[sk]C[so defending this side was not the right direction])(;B[kj];W[ki];B[lj];W[jj];B[jk];W[ik];B[jl];W[li]C[black territory is being reduced and white is getting strong to have a better moyo than black])(;B[cf];W[ce];B[df];W[fd];B[dh];W[ci];B[gg];W[gj];B[ig];W[hh]C[black can escape but white can connect his stone in the center and destroy black potentiel territory]))(;W[qf]C[white choose B];B[qe];W[pf];B[nd];W[qi];B[rj];W[ri];B[qj];W[oi];B[nj]C[In this case, white will not use the thickness of his stones from the upper left side]))(;W[mp]LB[qm:B][pn:E][po:A][jp:H][kp:G][np:D][op:C][kq:F]TR[fq]C[If black defend with A, white will start the invasion at B and the marked stone will be uselessIt will be the same if black defend at C, D or ESo black should think about F, G or H because he has the marked stone];AE[fq]LB[fq:A]C[without A];B[jp];W[oo];B[qo];W[gp];B[jn]C[black is under attack and has no space to live in the side.His only choice is to run];W[mm]))(;W[qk];B[pn];W[pl];B[ol]C[white is alive on the right, but black has a big moyo]))
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