Problem 10106 goproblems.com


Author	kaf	Created	2007-06-08
Difficulty	9 dan (history)	Source	N/A
AVG solve time	72 sec	Stars	4.33 (3 votes)
User attempts	81 / 1055	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2007-06-08
Source	N/A
Stars	4.33 (3 votes)
Collections	N/A
Your attempts	N/A

(;AB[br]AW[bq]AW[cr]AW[bs]AB[cq]AB[dq]AW[co]AW[cp]AB[dp]AB[fq]AB[gq]AB[hr]AB[gs]AW[fo]AW[gp]AW[hp]AW[iq]AW[ir]AW[is]AW[hq]AW[do]C[black to live]AW[gn]AP[goproblems] (;B[ar] (;W[aq] (;B[dr];W[as] (;B[br] (;W[ar]C[CHOICE] (;B[es];W[fr] (;B[er];W[ep] (;B[cs]C[CHOICE];W[bp]) (;B[bp];W[cs])) (;B[cs];W[gr]) (;B[ep];W[er] (;B[cs];W[gr]) (;B[gr];W[cs])) (;B[bp]C[NOTTHIS]) (;B[gr];W[cs])) (;B[fr];W[es] (;B[er];W[ds]) (;B[hs];W[fs]) (;B[ds];W[hs]) (;B[ep];W[ds] (;B[er];W[hs]) (;B[hs];W[fs]) (;B[fs];W[hs]))) (;B[ds];W[ep] (;B[fr];W[eq] (;B[er];W[hs]) (;B[hs];W[er])) (;B[eq];W[fr]) (;B[er];W[fs])) (;B[ep];W[er] (;B[es];W[fr]) (;B[fr];W[es] (;B[hs];W[ds]) (;B[ds];W[hs]))) (;B[cs];W[ds];B[es];W[fr] (;B[er];W[ep] (;B[cs]C[];W[bp];B[br]C[Yes, ko is the best that black can do hereRIGHT]) (;B[bp]C[NOTTHIS])) (;B[cs];W[gr];B[er];W[hs] (;B[br];W[bp];B[ep];W[fp]) (;B[ep];W[fp])) (;B[bp];W[gr]) (;B[gr];W[cs])) (;B[bp]C[NOTTHIS])) (;W[cs];B[ds];W[ar];B[er];W[ep];B[fs]C[RIGHT])) (;B[es];W[fr] (;B[er];W[ep] (;B[cs];W[br]) (;B[br];W[cs])) (;B[br];W[cs]) (;B[ep];W[gr])) (;B[fr];W[es] (;B[er];W[ds]) (;B[ds];W[hs]) (;B[hs];W[fs])) (;B[ep];W[er] (;B[fr];W[es] (;B[ds];W[hs]) (;B[hs];W[ds])) (;B[es];W[fr] (;B[cs];W[br]) (;B[br];W[cs])) (;B[ds];W[fr])) (;B[ds];W[ep] (;B[eq];W[fr]) (;B[fr];W[eq]) (;B[cs];W[br]) (;B[br];W[bp])) (;B[er];W[ep] (;B[hs];W[fs]) (;B[ds];W[hs] (;B[cs];W[br]) (;B[br];W[bp]) (;B[gr];W[fs]))) (;B[bp])) (;B[bp];W[as] (;B[dr];W[br] (;B[fr];W[es] (;B[ep];W[ds]) (;B[er];W[ds]) (;B[ds];W[hs])) (;B[ep];W[er] (;B[fr];W[es] (;B[hs];W[ds]) (;B[ds];W[hs])) (;B[es];W[fr]) (;B[fs];W[fr]) (;B[ds];W[fr])) (;B[er];W[ep] (;B[ds];W[hs]) (;B[hs];W[fs]) (;B[fr];W[hs])) (;B[es];W[fr])) (;B[ep];W[dr]) (;B[er];W[ep]) (;B[ds];W[dr]) (;B[br];W[dr])) (;B[fr];W[dr]) (;B[ds];W[dr]) (;B[cs];W[dr];B[er];W[ds];B[es];W[as] (;B[fr];W[hs]) (;B[hs];W[fr]) (;B[ep];W[fp])) (;B[es];W[dr])) (;W[dr];B[bp];W[eq] (;B[ep];W[er];B[fp]C[];W[fr];B[gr];W[hs];B[ds];W[fs];B[aq];W[eo];B[bq];W[cs];B[as]C[RIGHT]))) (;B[dr] (;W[ar] (;B[er];W[ep]) (;B[ds];W[ep] (;B[er];W[hs]) (;B[eq];W[fr]) (;B[fr];W[eq])) (;B[fr];W[es] (;B[ds];W[hs]) (;B[er];W[ds] (;B[ep];W[hs]) (;B[hs];W[ep]) (;B[fs];W[ep];B[cs];W[ds]))) (;B[es];W[fr]) (;B[ep];W[er] (;B[fr];W[es]) (;B[es];W[fr])))) (;B[es];W[dr] (;B[er];W[ar]) (;B[ar];W[aq])) (;B[er];W[dr] (;B[ds];W[ar]) (;B[ar];W[aq])) (;B[ds];W[ar]) (;B[bp];W[ar]) (;B[fr];W[dr]))