(;CA[UTF-8]SZ[19]KM[0]PB[Jim Fan]PW[GNU Go 3.8:level 10]DT[2019-04-26]AB[dp][pd][dd][pp]RE[0];W[cn];B[fp];W[dj];B[jd];W[np];B[qn];W[pq];B[dh];W[qq];B[pi];W[gd];B[fd];W[ge];B[jq];W[gc];B[fc];W[fe];B[ee];W[nn];B[mq];W[nd];B[oe];W[fh];B[eg];W[lc](;B[ne]C[Should be more aggressive and attack white stone on right]TR[nd];W[ke];B[je];W[jf];B[kf];W[po];B[pn];W[qo];B[le];W[kd];B[ld];W[kc];B[jg]C[Not good];W[if];B[lh];W[ql];B[pl];W[pk];B[ol];W[qj];B[qi];W[ri];B[bi];W[rm];B[co];W[dn];B[bo];W[rn];B[nk];W[qh];B[qf];W[lf];B[mf];W[kg];B[lg];W[jh];B[kh];W[ig];B[kf]C[No point to take the ko at all, nothing is gained by black];W[nc];B[pc];W[cc];B[cd]TR[cc]C[Must stay close to white or it will survive];W[ph];B[oi];W[rg];B[rf]C[At this point white has completely ruined black's territory on the right, making right side and bottom-right corner connected];W[pm];B[om];W[on];B[qm]C[Major mistake];W[ij];B[gm];W[bn];B[ej];W[dk];B[di];W[ek];B[fj];W[bl];B[cj];W[fn];B[gn];W[ei];B[fi];W[eh];B[ef];W[gh];B[gk];W[fm];B[fb];W[gb];B[fa];W[lf];B[ng];W[ga];B[im];W[ln];B[ko];W[ob];B[pb];W[pm];B[lk];W[ao];B[ap];W[an];B[bq];W[sf];B[se];W[sg];B[re];W[pa];B[qa];W[oa];B[qb];W[kf];B[nq];W[or];B[oq];W[fo];B[go];W[nr];B[mr];W[op];B[mo];W[lo];B[mp];W[mn];B[no];W[oo];B[lp];W[eo];B[ep];W[fl];B[gl];W[ml];B[mk];W[ck];B[kn];W[bj];B[ci];W[ai];B[ah];W[aj];B[bg];W[jk];B[kl];W[kj];B[lj];W[ki];B[hi]C[To aggressive, black cannot connect 3 pieces at the same time, white will break them easily];W[gi];B[hj];W[gj];B[hk];W[fk];B[li];W[jl];B[jm];W[md];B[me];W[kk];B[pj];W[ok]TR[ol][om][pl]C[Black didn't even notice the 3 stones are disconnected];B[pg];W[nl];B[mm];W[ll];B[lm];W[km];B[ak];W[bk];B[kl];W[nm];B[km];W[oh]C[This is major turning point of the game.Great move of white. White surrendered the ko exactly for this move. 4 black stones are killed and black's territory is further destroyed];B[og];W[ni];B[nj];W[oj];B[mi];W[nh];B[mg];W[ii];B[hh];W[oc];B[gg];W[hg];B[gf];W[fg];B[ff];W[hf];B[ms];W[il];B[hl];W[ih];B[od];W[pr];B[ns];W[os];B[qg];W[do]C[Black thought a while to decide any sticking is needed, after calculating komi, black will lose if one more komi is lost];B[ik];W[mh]C[Draw];TB[aa][ba][ca][da][ea][ra][sa][ab][bb][cb][db][eb][rb][sb][ac][bc][cc][dc][ec][qc][rc][sc][ad][bd][ed][qd][rd][sd][ae][be][ce][de][pe][qe][af][bf][cf][df][nf][of][pf][ag][cg][dg][bh][ch][mj][hm][hn][in][jn][ho][io][jo][bp][cp][gp][hp][ip][jp][kp][aq][cq][dq][eq][fq][gq][hq][iq][kq][lq][ar][br][cr][dr][er][fr][gr][hr][ir][jr][kr][lr][as][bs][cs][ds][es][fs][gs][hs][is][js][ks][ls]TW[ha][ia][ja][ka][la][ma][na][hb][ib][jb][kb][lb][mb][nb][hc][ic][jc][mc][hd][id][jd][he][ie][je][jg][rh][sh][fi][ji][oi][pi][qi][si][ej][fj][jj][pj][rj][sj][ak][qk][rk][sk][al][cl][dl][el][ol][pl][rl][sl][am][bm][cm][dm][em][om][qm][sm][en][pn][qn][sn][ro][so][pp][qp][rp][sp][rq][sq][qr][rr][sr][ps][qs][rs][ss])(;B[md];W[ke];B[le];W[nc];B[mc];W[kd];B[lf]C[I think black is in sente, white still needs more moves to survive]))
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GNU Go 3.8:level 10    Jim Fan
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