(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[6.50]TM[600]OT[5x30 byo-yomi]PW[Shnissugah]PB[ago_ego]WR[13k]BR[10k]DT[2019-02-28]CP[online-go.com]PC[OGS: https://online-go.com/game/16788392]RE[黑胜8.50];B[pp];W[dd];B[pc];W[dp];B[cj];W[pe];B[mc];W[qc];B[qb];W[qd];B[cm];W[fq];B[cg];W[fc];B[cc](;W[ic]SQ[cd]C[Black's invasion will live, but white should at least tentatively block at C16 to get a better position.];B[cd];W[de];B[ce];W[df];B[dg];W[eg];B[eh];W[fh];B[ei];W[fg];B[jb];W[me];B[jc];W[id];B[jd];W[ie];B[je];W[ig];B[jf](;W[if]C[Too small to protect at this time. Though black's pushing from behind is awkward, the exchanges are improving his position.];B[jg];W[qh];B[qn](;W[ql]C[Don't like the move - no great follow-ups, and playing on the lower side is better, if just speaking of territory.];B[kq];W[iq];B[nq](;W[ii]C[There aren't any prospects in the centre for either player, and all groups are strong. In this situation, building more strength won't be of much use. I'd rather be a miser for territory as it is looking to be a close endgame.];B[jh];W[ji];B[ih];W[hh];B[mh];W[dn];B[bo];W[cq];B[dm];W[en];B[em];W[gn];B[fm];W[fn]C[Another point where white could easily have played elsewhere.];B[hb];W[kp]C[Making black solid here can make R3 invasion more difficult.];B[lp];W[ko];B[lo];W[kn];B[ln];W[km];B[qj];W[pk](;B[qi]C[Black is playing with fire here, should just come out.];W[ph];B[rh];W[rg];B[si]C[Now it's possible for white to be aggressive.](;W[nk];B[pi];W[oh];B[oi];W[nh];B[ni];W[mi];B[mj];W[li];B[nj](;W[mk];B[lj];W[ki];B[lk];W[lm](;B[ok]C[But black missed the chance.];W[ol];B[oj];W[nm];B[ml];W[nl];B[ll];W[mm]C[Now, the game looks winnable for white.];B[jk];W[hi];B[hl];W[qq];B[qp];W[pq];B[oq];W[rp];B[ro];W[rr];B[sp];W[sq];B[rq];W[cn]SQ[cf]C[Not the best threat, but might be just enough to win the game.];B[sr];W[bn];B[bm](;W[an];B[am];W[ib]SQ[ob]C[Not bad, but both players are missing the largest endgame at P18.];B[ia];W[gb];B[hc];W[hd];B[gc];W[gd];B[ha];W[ga];B[ja];W[eb];B[gj];W[fi];B[fj];W[rb]C[Just getting this hane is still pretty good.];B[pb];W[mg];B[ne](;W[nf]C[Good];B[nd];W[oe];B[md];W[le];B[ra];W[rc];B[od];W[ba];B[bb];W[ca];B[da];W[db];B[cb];W[ea];B[cf];W[gm];B[gl];W[jr]SQ[jq]C[Around here is the next large endgame after the upper right corner. K3 was the better move though.];B[kr];W[no];B[np];W[oo];B[op];W[in];B[jq];W[jp];B[ir];W[hr];B[js]C[Now that no large endgame remains and black managed to exploit white's weakness here, black is set to win by a small margin.This game was mostly peaceful, with both players making strong shape and being timid about the right-side fight. Black's slightly better efficiency won him the game. My most important advice is to be more aware of sente - if the opponent's move is not particularly threatening, take the opportunity to play large moves elsewhere.](;W[ip];B[im];W[hm];B[il];W[jm];B[gi];W[gh];B[dc];W[ec];B[lf];W[lg];B[kf];W[mf];B[ld];W[ke];B[pm];W[pl];B[rm];W[rl];B[sl];W[kd];B[kc];W[qm];B[pn];W[mo];B[mp];W[hj];B[hk];W[aa];B[ab];W[da];B[sg];W[rf];B[sf];W[se];B[sh];W[re];B[rk];W[sn];B[rn];W[po];B[qo];W[mn];B[on];W[hs];B[is];W[sb];B[pd];W[sa];B[qa];W[kh];B[kl];W[kj];B[jl];W[ij];B[ej];W[qk];B[rj];W[];B[ho];W[io];B[];W[])(;AE[in][jp][hr][ir]AW[jq][jr][js][ks]AB[mr][ls]C[With correct endgame, the shape would be like this.])(;AW[hs]AB[is]C[8-point difference.]))(;W[nd];B[md];W[od];B[mf];W[le](;B[lf];W[nf]C[optimistic])(;B[ng]C[thought this would work out for white, but never mind! :)])))(;W[am];B[al];W[an];B[bk]C[A couple of points for free can go a long way.]))(;B[ml];W[nl];B[mm];W[ll];B[nm]C[The capturing race looks easy for black.];AE[ll]AW[mm][nm][on]AB[nl][om][pm]C[So, realistically, white should collapse.]))(;W[ml]C[This diagonal was a better shape to get out.];B[lj];W[ki](;B[ll];W[lm];B[mm];W[nm];B[mn];W[lk];B[ok];W[ol];B[mk];W[kl];B[nl]C[Black might resist with this ko, but it is not one he can afford to lose.])(;B[rl];W[rm];B[rk];W[qm];B[rn];W[sm];B[rj])))(;W[oj];B[rl];W[rm];B[rk];W[qm];B[rn];W[sm](;B[rj];W[sg];B[sh];W[rp]C[Now, this becomes the invasion point.])(;B[oi];W[pi];B[pj];W[nk]C[The cut is no big deal.])))(;B[pj];W[oj];B[ph];W[pi];B[qi];W[oi];B[qg];W[rh];B[rg];W[pg];B[oh];W[nh];B[og];W[pf];B[ng];W[ni];B[mg]C[White can't resist.];W[nj];AE[pf][ng][og][pg][qg][rg][mh][nh][oh][ph][rh][ni][oi][pi][qi][nj][oj][pj][pk]AW[ol]LB[qj:1][ol:2]C[Therefore it was best for white to just jump out.]))(;W[co])(;W[ol])(;W[ob])(;W[qq];B[qp];W[pq];B[oq];W[rp];B[ro];W[rr];B[sp];W[sq]C[Might still be early for this, but the ko is black's burden.]))(;W[nq];B[oq];W[np])(;W[pr];B[pq];W[or];B[qr];W[lq]))(;W[qn];B[if];W[hf];B[he];W[ib](;B[hg];W[gf]C[Black can't accomplish much here.])(;B[gc];W[gd];B[fd];W[ec];B[gf];W[hg];B[ge];W[gb];B[hd];W[hb]C[Black's attachment at G17 looks like a tesuji, but fails.])))(;W[cd];B[bd];W[be];B[bc];W[dc];B[bf];W[ce];B[ae];W[ic]))