Problem 727 goproblems.com


Author	Daniel	Created	2001-06-14
Difficulty	9 dan (history)	Source	N/A
AVG solve time	71 sec	Stars	2 (2 votes)
User attempts	44 / 2066	Collections	N/A
Genre	life and death	Your attempts	N/A
Similar problems
Created	2001-06-14
Source	N/A
Stars	2 (2 votes)
Collections	N/A
Your attempts	N/A

(;GM[1] FF[4] AP[Hibiscus:2.1] SZ[19] ST[3] ;AB[cr][dp][dq][dr][fp][gq][hr][ir] AW[ar][bq][br][cn][co][cp][cq][dn][en][fo][go][ho][hp][hq][iq][jq][jr][lr] PL[W] C[White to get the best ko.] (;W[fr] ;B[gr] (;W[ep] ;B[eq] (;W[es] ;B[is] (;W[cs] ;B[ds] (;W[gs] ;B[eo] (;W[do] ;B[gp] ;W[ep] C[RIGHT] )(;W[gp] ;B[er] (;W[fs] ;B[do] C[Black lives.] )(;W[do] ;B[fs] C[not the best ko for white.] ))(;W[fs] ;B[gp] C[Black lives.] ))(;W[eo] ;B[er] ;W[gs] ;B[fs] C[not the best ko for white] )(;W[gp] ;B[eo] (;W[do] ;B[er] ;W[gs] ;B[fs] C[not the best ko for white.] )(;W[gs] ;B[er] (;W[fs] ;B[do] C[Black lives.] )(;W[do] ;B[fs] C[not the best ko for white.] ))(;W[fq] ;B[er] ;W[ep] C[RIGHT] ))(;W[do] ;B[eo] (;W[gp] ;B[er] ;W[gs] ;B[fs] C[not the best ko for white.] )(;W[gs] ;B[gp] ;W[ep] C[RIGHT] )))(;W[fq] ;B[gp] C[Black lives.] )(;W[gs] ;B[cs] (;W[fs] ;B[gp] C[Black lives.] )(;W[fq] ;B[gp] ;W[do] ;B[eo] C[not the best ko for white.] )(;W[gp] ;B[fq] C[Black lives.] )(;W[do] ;B[er] C[Black lives.] )(;W[eo] ;B[fq] C[Black lives.] ))(;W[gp] ;B[fq] C[Black lives.] )(;W[eo] ;B[cs] C[Black lives.] )(;W[do] ;B[fq] C[Black lives.] ))(;W[fq] ;B[gp] (;W[fs] ;B[eo] C[Black lives.] )(;W[eo] ;B[fs] C[Black lives.] )(;W[cs] ;B[fs] C[Black lives.] )(;W[is] ;B[fs] C[Black lives.] ))(;W[gp] ;B[fq] C[Black lives.] )(;W[eo] ;B[fq] C[Black lives.] )(;W[do] ;B[fq] C[Black lives.] )(;W[cs] ;B[is] (;W[es] ;B[ds] (;W[gs] ;B[eo] (;W[do] ;B[gp] ;W[ep] C[RIGHT] )(;W[gp] ;B[er] ;W[do] ;B[fs] C[not the best ko for white.] ))(;W[gp] ;B[eo] (;W[fq] ;B[er] ;W[ep] C[RIGHT] )(;W[gs] ;B[er] ;W[do] ;B[fs] C[not the best ko for white.] )(;W[do] ;B[er] ;W[gs] ;B[fs] C[white to kill.] ))(;W[fq] ;B[eo] (;W[gs] ;B[gp] C[Black lives.] )(;W[gp] ;B[er] ;W[ep] C[RIGHT] )(;W[do] ;B[gp] (;W[gs] ;B[er] C[Black lives.] )(;W[ep] C[RIGHT] )))(;W[eo] ;B[er] ;W[gs] ;B[fs] C[not the best ko for white] )(;W[do] ;B[eo] (;W[gs] ;B[gp] ;W[ep] C[RIGHT] )(;W[gp] ;B[er] ;W[gs] ;B[fs] C[not the best ko for white.] )))(;W[fq] ;B[gp] C[Black lives] )(;W[gp] ;B[fq] C[Black lives.] )(;W[eo] ;B[fq] C[Black lives.] )(;W[do] ;B[fq] C[Black lives.] )(;W[gs] ;B[es] C[Black lives.] ))(;W[is] ;B[eo] (;W[do] ;B[fs] (;W[es] ;B[hs] (;W[cs] ;B[ds] ;W[gs] C[RIGHT] )(;W[gs] ;B[cs] ;W[ep] ;B[fs] ;W[gp] ;B[er] ;W[gs] C[RIGHT] ))(;W[er] ;B[hs] C[Black lives.] )(;W[hs] ;B[er] )(;W[cs] ;B[ds] C[Black lives.] ))(;W[cs] ;B[er] C[Black lives.] )(;W[es] ;B[hs] (;W[do] ;B[fs] (;W[cs] ;B[ds] ;W[gs] C[RIGHT] )(;W[gs] ;B[cs] ;W[gp] C[RIGHT] ))(;W[cs] ;B[ds] ;W[do] ;B[fs] ;W[gs] C[RIGHT] )(;W[gp] ;B[fs] (;W[cs] ;B[er] C[Black lives.] )(;W[do] ;B[er] ;W[gs] C[RIGHT] )))(;W[gp] ;B[fq] C[Black lives.] )(;W[gs] ;B[es] C[Black lives.] )))(;W[fq] ;B[gp] C[Black lives.] )(;W[eq] ;B[ep] C[Black lives] )(;W[cs] ;B[er] C[Black lives.] )(;W[es] ;B[ep] C[Black lives.] )(;W[gs] ;B[ep] C[Black lives.] )(;W[is] ;B[er] C[Black lives.] )(;W[er] ;B[is] C[Black lives.] ))(;W[is] ;B[gr] C[Black lives.] )(;W[gr] ;B[fr] C[Black lives.] )(;W[fs] ;B[fr] C[Black lives.] )(;W[fq] ;B[fr] C[Black lives.] )(;W[gp] ;B[fr] C[Black lives.] )(;W[ep] ;B[fr] C[Black lives.] )(;W[er] ;B[fr] C[Black lives.] )(;W[cs] ;B[fr] C[Black lives.] ))