(;GM[1]FF[4]SZ[19]AP[SmartGo:1.5]CA[UTF-8]ST[2]
PW[ph]
PB[delic]
KM[0.5]
RU[Japanese]
;B[pd]CR[pd]
C[Hello,it is the first time for me to give my comments here.];W[dd]CR[dd]
;B[pp]CR[pp];W[dp]CR[dp];B[pj]CR[pj];W[nq]CR[nq];B[pn]CR[pn];W[jp]CR[jp]
;B[cj]CR[cj];W[pr]CR[pr];B[qq]CR[qq];W[cg]CR[cg];B[cn]CR[cn];W[fp]CR[fp]
;B[jd]CR[jd];W[bp]CR[bp];B[dl]CR[dl]
C[Now, white should limit the development of black,so H17 is a good point , white  can throw in or press from the center,so no need too urgen to invade so early.]
(;W[nd]CR[nd];B[pf]CR[pf]
C[after this exchange,then go to fight.]
(;W[pc]CR[pc];B[qc]CR[qc];W[oc]CR[oc];B[fc]CR[fc];W[dc]CR[dc];B[lc]CR[lc]
;W[qb]CR[qb];B[rc]CR[rc];W[ld]CR[ld];B[mc]CR[mc];W[md]CR[md];B[kd]CR[kd]
;W[rb]CR[rb];B[re]CR[re];W[hc]CR[hc];B[hd]CR[hd];W[ic]CR[ic];B[id]CR[id]
;W[jc]CR[jc];B[kc]CR[kc];W[gc]CR[gc];B[gd]CR[gd];W[fb]CR[fb];B[fd]CR[fd]
;W[eb]CR[eb];B[fg]CR[fg]
C[many ways to live.]
(;W[pa]CR[pa];B[lq]CR[lq]
(;W[qr]CR[qr]
C[only want to live.too negative.]
(;B[rr]CR[rr]
C[black made a mistake here.];W[no]CR[no];B[mp]CR[mp];W[np]CR[np];B[ln]CR[ln]
;W[nm]CR[nm];B[pl]CR[pl];W[lo]CR[lo];B[mo]CR[mo]
(;W[ko]CR[ko];B[mn]CR[mn];W[nn]CR[nn]
C[white is in a little danger now.]
(;B[jq]CR[jq];W[iq]CR[iq];B[ll]CR[ll];W[jr]CR[jr];B[kq]CR[kq];W[ir]CR[ir]
;B[im]CR[im]
C[white can connect, and when you feel danger ,it is a way to get safe.]
(;W[jm]CR[jm];B[jn]CR[jn];W[io]CR[io];B[kn]CR[kn];W[di]CR[di];B[kh]CR[kh]
;W[nk]CR[nk];B[ni]CR[ni];W[bl]CR[bl];B[cl]CR[cl];W[mg]CR[mg];B[oh]CR[oh]
;W[fi]CR[fi];B[hh]CR[hh];W[bn]CR[bn];B[bm]CR[bm];W[am]CR[am];B[cm]CR[cm]
C[why not ?]
(;W[bo]CR[bo];B[gm]CR[gm];W[fm]CR[fm];B[fl]CR[fl];W[fn]CR[fn];B[gk]CR[gk]
;W[hi]CR[hi];B[gh]CR[gh];W[gi]CR[gi];B[jk]CR[jk];W[mi]CR[mi];B[mj]CR[mj]
;W[li]CR[li];B[nj]CR[nj];W[ji]CR[ji];B[jh]CR[jh];W[jj]CR[jj];B[lf]CR[lf]
;W[ig]CR[ig];B[ih]CR[ih];W[mf]CR[mf];B[lh]CR[lh];W[kk]CR[kk];B[jl]CR[jl]
;W[og]CR[og];B[pg]CR[pg];W[mh]CR[mh];B[le]CR[le];W[pq]CR[pq];B[qp]CR[qp]
(;W[mr]CR[mr];B[lr]CR[lr];W[ms]CR[ms];B[bh]CR[bh];W[bg]CR[bg];B[ch]CR[ch]
;W[dh]CR[dh];B[df]CR[df];W[ce]CR[ce];B[dg]CR[dg];W[ci]CR[ci];B[bi]CR[bi]
;W[bk]CR[bk];B[ck]CR[ck];W[bj]CR[bj];B[gn]CR[gn];W[go]CR[go];B[nb]CR[nb]
;W[ob]CR[ob];B[ml]CR[ml];W[nl]CR[nl];B[lj]CR[lj];W[kj]CR[kj];B[cf]CR[cf]
;W[bf]CR[bf];B[de]CR[de];W[bd]CR[bd];B[ed]CR[ed];W[rs]CR[rs];B[sr]CR[sr]
;W[kl]CR[kl];B[km]CR[km];W[lg]CR[lg];B[kg]CR[kg];W[na]CR[na];B[ma]CR[ma]
;W[oa]CR[oa];B[co]CR[co];W[la]CR[la];B[kb]CR[kb];W[jb]CR[jb];B[lb]CR[lb]
;W[cp]CR[cp];B[eh]CR[eh];W[ei]CR[ei];B[ja]CR[ja];W[ia]CR[ia];B[ka]CR[ka]
;W[hb]CR[hb];B[ij]CR[ij];W[of]CR[of];B[ii]CR[ii];W[ki]CR[ki];B[em]CR[em]
;W[ek]CR[ek];B[fk]CR[fk];W[hj]CR[hj];B[hk]CR[hk];W[fh]CR[fh];B[eg]CR[eg]
;W[ok]CR[ok];B[pk]CR[pk];W[nh]CR[nh];B[oj]CR[oj];W[kf]CR[kf];B[ke]CR[ke]
;W[dk]CR[dk];B[en]CR[en];W[fo]CR[fo];B[el]CR[el];W[ai]CR[ai];B[jo]CR[jo]
;W[kp]CR[kp];B[me]CR[me];W[ne]CR[ne];B[oe]CR[oe];W[od]CR[od];B[pe]CR[pe]
;W[nc]CR[nc];B[in]CR[in];W[ho]CR[ho];B[op]CR[op];W[oq]CR[oq];B[ls]CR[ls]
;W[os]CR[os];B[nf]CR[nf];W[ng]CR[ng];B[sb]CR[sb];W[ra]CR[ra];B[eo]CR[eo]
;W[qs]CR[qs];B[ep]CR[ep];W[eq]CR[eq];B[om]CR[om];W[ss]CR[ss];B[rq]CR[rq]
;W[oo]CR[oo];B[po]CR[po];W[hn]CR[hn];B[hm]CR[hm];W[do]CR[do];B[mb]CR[mb]
;W[sa]CR[sa];B[sc]CR[sc];W[dn]CR[dn];B[js]CR[js];W[is]CR[is];B[ks]CR[ks]
;W[mm]CR[mm];B[lm]CR[lm];W[on]CR[on];B[ol]CR[ol];W[mq]CR[mq];B[lp]CR[lp]
;W[ip]CR[ip];B[dj]CR[dj];W[ej]CR[ej];B[lk]CR[lk];W[nf]CR[nf];B[gj]CR[gj]
;W[ah]CR[ah];B[mk]CR[mk];W[dm]CR[dm];B[ec]CR[ec];W[fj]CR[fj];B[kr]CR[kr]
C[so, it is a very close game.The main comments here\:
1, before an invasion,make sure you have limited the opposited side's development.
2, before your group escape, make sure you have pincerd his group, if your group is not in very urgernt position.

that is all, wish your good luck.]
)
(;W[mq]CR[mq];B[lp]CR[lp];W[lr]CR[lr]
C[why not ?]))
(;W[co]CR[co]))
(;W[mq]CR[mq];B[lp]CR[lp];W[lr]CR[lr];B[kr]CR[kr];W[ks]CR[ks]))
(;B[mk]CR[mk];W[nk]CR[nk];B[mj]CR[mj];W[nj]CR[nj];B[ni]CR[ni];W[rs]CR[rs]
;B[rq]CR[rq];W[mr]CR[mr];B[lr]CR[lr];W[ml]CR[ml];B[ll]CR[ll]
C[even white can live here,black still has many chances to invade.]))
(;W[mn]CR[mn];B[ko]CR[ko];W[lm]CR[lm];B[kn]CR[kn];W[kp]CR[kp];B[lp]CR[lp]
;W[km]CR[km];B[in]CR[in];W[hp]CR[hp];B[io]CR[io];W[ip]CR[ip];B[il]CR[il]
;W[kr]CR[kr];B[lr]CR[lr]
C[go into the center, that is the key point.]))
(;B[hq]CR[hq]))
(;W[jr]CR[jr];B[lo]CR[lo];W[no]CR[no];B[lm]CR[lm];W[nm]CR[nm];B[lk]CR[lk]
;W[pl]CR[pl]
C[white can live or connect, if black can not capture all these stones, he will lose.and it is not a very easy thing.]
))
(;W[nb]CR[nb])
(;W[sb]CR[sb])
(;W[qd]CR[qd];B[qe]CR[qe];W[od]CR[od];B[pe]CR[pe];W[sc]CR[sc];B[rd]CR[rd]
;W[mg]CR[mg]))
(;W[hc]CR[hc];B[ie]CR[ie];W[ld]CR[ld]))
(;W[hc]CR[hc]
(;B[he]CR[he];W[fc]CR[fc];B[pf]CR[pf];W[ob]CR[ob];B[pb]CR[pb];W[pc]CR[pc]
;B[qc]CR[qc];W[oc]CR[oc];B[qb]CR[qb];W[lc];B[me];W[kd];B[ke];W[jc];B[ld]
;W[kc])
(;B[cc];W[cd];B[dc];W[ec];B[eb];W[fc];B[bd];W[be];B[bc];W[eg];B[jf];W[qf]
;B[qh];W[qd];B[qc];W[rc];B[pc];W[re];B[of];W[mo];B[jj]
TB[aa:eb][ka:oj][pa:pd][qa:qc][ac:dc][bd][jd:jj][ph:rp][si:sq][aj:cl][dk:dm][ok][bm:cm][cn][qq:rq]
TW[ra:sf][ec:eg][fc:fe][gc:gd][hc][cd:dg][qd:qf][be:bg][af:ag][mo:ms][ap:ls][np:ns][or:ps]
TY[ea][ka:ob][ac][fc:fe][gc:gd][hc][kc:mc][oc][jd:ld][oe][af][mf:mj][rf][bg:dg][lg:lj][ng:nj][og:oh][jh][ph:pi][rh:ri][ki:kj][si:sm][bj][ak:al][ok][qk:rl][bl:dm][pl][rm][cn][pn:pp][cp][hp:hs][np][gq:gs][iq:is][rq][or]
TX[aa:eb][ra:sf][ac:dc][bd][qd:qf]
TH[aa:ib][ra:si][ac:af][bc:dc][fc:fe][gc:gd][hc][bd][qd:qg][oe:pe][pf:pi][ng:og][oh][sj]
DB[ba:ea][pa:qb][bb:db][ac][nc:nf][kd:kh][md:me][od:oe][je][le:lf][jg][rh][ji][oi:qi][aj:bj][oj][qj:sj][ck:cm][dk][pk][al:bl][dm][pm:qm][qn:qp][rn:sn][po][rp:sq]
DW[ra:rb][gc][sc:sf][ed:ef][fd][rd][ce:df][qe][bf:bg][rf][ag][dg][ap][cp][ep:eq][gp][ip][kp:np][dq:ds][fq:fs][jq:js][nr:ns][or][ps]
V[0.4];W[jb])))

