(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2] SZ[19]RU[Japanese]KM[5.50]TM[1800] GN[White (W) vs. Black (B)]PB[Black]PW[White]DT[1999-07-28]SY[Cgoban 1.9.2] ;AW[da][ea][ma][pa][qa][sa][eb][gb][kb][lb][pb][rb][dc][fc][gc][mc][nc][oc][pc][dd][ed][gd][hd][jd][ee][fe][ie][af][bf][if][nf][of][pf][qf][rf][ag][jg][ng][bh][ch][eh][gh][ph][sh][ci][di][ei][fi][ki][pi][cj][fj][gj][hj][jj][oj][qj][rj][ck][hk][ik][jk][kk][lk][ok][pk][sk][al][gl][hl][sl][bm][fm][hm][jm][mm][nm][om][pm][qm][rm][sm][an][cn][dn][en][fn][gn][mn][nn][bo][do][no][cp][ep][gp][mp][op][pp][cq][fq][gq][hq][iq][jq][oq][pq][qq][rq][ar][br][cr][er][ir][jr][nr][rr][bs][ds][is]AB[ca][bb][db][hb][jb][qb][cc][ic][jc][kc][lc][qc][rc][cd][md][nd][od][pd][qd][be][de][ge][ke][re][cf][ef][ff][hf][jf][lf][sf][bg][cg][dg][eg][fg][hg][ig][og][pg][qg][rg][sg][ah][dh][fh][oh][ai][bi][gi][hi][ii][ji][ni][oi][bj][ij][kj][lj][mj][ak][bk][dk][ek][fk][gk][qk][rk][bl][cl][dl][fl][ll][ml][nl][ol][pl][ql][rl][cm][dm][em][lm][hn][in][kn][ln][eo][fo][go][io][jo][lo][mo][oo][bp][dp][hp][ip][jp][kp][np][rp][bq][dq][kq][mq][nq][dr][gr][hr][kr][or][pr][qr][js][ks][ps][rs]C[best endgame for white? ]PL[W] (;W[mr] ;B[lq] (;W[ms]LB[os:A]C[better ko by throwing in at A first ]) (;W[ns] ;B[lr]) (;W[os] ;B[ns] ;W[ms]C[RIGHT best ko for the corner ])) (;W[ns] ;B[mr]) (;W[ms] ;B[mr]) (;W[lq] ;B[mr] ;W[ms] ;B[ns]) (;W[fp] ;B[mr]) (;W[sr] ;B[mr]) (;W[nj] ;B[mr]) (;W[mi] ;B[mr]) (;W[kd] ;B[mr] ;W[ld] ;B[id] (;W[he] ;B[je] ;W[gf] ;B[gg]C[saving at O2 biggest ]) (;W[je] ;B[he] ;W[kf] ;B[le] ;W[jf] ;B[kg])) (;W[ld] ;B[mr] ;W[kd] ;B[id]) (;W[cb] ;B[mr]) (;W[sc] ;B[mr]) (;W[ja] ;B[mr]) (;W[am] ;B[mr]) (;W[kg] ;B[mr]C[nothing ]) (;W[kh] ;B[mr]) (;W[os]CR[os] ;B[ns]CR[ns] ;W[mr]CR[mr] ;B[lq]CR[lq] ;W[ms]CR[ms]C[RIGHT ko]))