(;GM[1] FF[4] AP[Hibiscus:2.1] SZ[19] ST[3] ;C[Black to answer white's ko-threat (A) ] PL[B] LB[yy:0][oh:A]AB[ke][le][me][ne][ng][ob][oc][oe][pc][pd][ph][qc][qh][rb][rd][sc] AW[jd][kd][ld][md][nb][nd][od][of][oh][oq][pe][pg][pp][qd][qe][qf][qm][sb][sd] (;B[rf] (;W[qg] ;B[og] ;W[rc] ;B[re] ;W[rg] (;B[rh] ;W[sf] ;B[sc] ;W[nf] ;B[se] C[RIGHT] )(;B[sc] ;W[ri] C[white is out.] ))(;W[re] ;B[se] ;W[rg] ;B[qg] ;W[sf] ;B[og] ;W[sd] ;B[rc] ;W[ri] C[This is not enough for white] ))(;B[og] ;W[rc] ;B[re] ;W[rf] ;B[sc] ;W[nf] (;B[mf] ;W[rc] ;B[nc] ;W[se] ;B[lb] ;W[kb] ;B[lc] ;W[qb] ;B[kc] ;W[ic] ;B[ib] ;W[hb] ;B[jb] ;W[pf] ;B[mg] ;W[oi] C[Bad for black.] )(;B[mg] ))(;B[oi] ;W[rc] ;B[re] ;W[rf] ;B[sc] ;W[nh] ;B[og] ;W[rc] (;B[pn] ;W[se] ;B[qn] ;W[ni] C[Black lost too much] )(;B[nc] ;W[se] ;B[lb] ;W[kb] ;B[lc] ;W[qb] ;B[kc] ;W[ic] ;B[ib] ;W[hb] ;B[jb] ;W[ni] C[Black isn't doing vrey well.] )))