(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[19]KM[0.00]TM[] PW[White]PB[Black]AW[dc][jc][kc][hd][id][ce][ee][qh][ck][lm][qm][ln][nn][qn][lo][mo][no][ep][jp][mp][op][cq][dq][gq][nq][pq][qq][rq]AB[lc][jd][ld][pd][je][pf][qk][ll][jm][mm][nm][om][dn][mn][on][bo][ko][oo][qo][cp][lp][qp][bq][iq][jq][lq][mq][nr]TR[qn] (;B[po]CR[po] ;W[ro]CR[ro] ;B[rp]CR[rp] ;W[sp]CR[sp] ;B[rn]CR[rn] ;W[so]CR[so] ;B[ql]CR[ql] ;W[rm]LB[rj:B][ok:A][kl:C]CR[rm]TR[qh]C[White has forcing moves at A and B, while black must worry about white C. Therefore the marked stone is far from dead.]) (;B[pp]CR[pp] ;W[ro]CR[ro] ;B[km]CR[km] ;W[np]CR[np] ;B[kn]CR[kn] ;W[oq]LB[pl:A]CR[oq]C[a hole remains at A]) (;B[ro]CR[ro] ;W[po]CR[po] ;B[pp]CR[pp] ;W[pn]CR[pn] (;B[km]CR[km] ;W[oq]CR[oq] ;B[kn]CR[kn] ;W[np]CR[np] ;B[ql]CR[ql] ;W[rn]CR[rn] ;B[pm]CR[pm] ;W[so]CR[so] ;B[rm]CR[rm] ;W[rp]LB[rf:A]CR[rp]TR[qh]C[RIGHT Now black can play at A and the marked stone is almost dead ]) (;B[kn]CR[kn] ;W[oq]CR[oq] ;B[km]CR[km] ;W[np]CR[np] ;B[ql]CR[ql] ;W[rn]CR[rn] ;B[pm]CR[pm] ;W[so]CR[so] ;B[rm]CR[rm] ;W[rp]LB[rf:A]TR[qh]CR[rp]C[RIGHT Now black can play at A and the marked stone is almost dead])))