Problem 4095 goproblems.com


Author	BartTM	Created	2004-03-20
Difficulty	7 kyu (history)	Source	Variation on problem 4051
AVG solve time	67 sec	Stars	4.42 (12 votes)
User attempts	1364 / 5140	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2004-03-20
Source	Variation on problem 4051
Stars	4.42 (12 votes)
Collections	N/A
Your attempts	N/A

(;AB[ar]AB[bq]AB[cr]AB[bo]AB[cp]AB[do]AB[fo]AB[fp]AB[go]AB[hp]AB[hq]AB[hr]AB[jr]AW[gr]AW[gq]AW[gp]AW[br]AW[bs]AW[cq]AW[dq]AW[eq]AW[ds]TR[gp]TR[go]C[This situation is like problem 4051 except for the marked stones. Black can now kill White!]AP[goproblems] (;B[gs];W[fs] (;B[er];W[fq] (;B[dr]C[This is not a seki but a 3 space big eye. Black can put White in atari by filling outside liberties.RIGHT]) (;B[fr];W[dr]) (;B[hs];W[dr]) (;B[es];W[dr]) (;B[cs];W[dr])) (;B[fq];W[fr] (;B[er];W[hs] (;B[dr]C[RIGHT]) (;B[cs];W[dr]) (;B[es];W[dr]) (;B[is];W[dr])) (;B[dr];W[er]) (;B[hs];W[dr]) (;B[es];W[er]) (;B[cs];W[dr])) (;B[fr];W[fq] (;B[es];W[er]C[Alive and kicking.]) (;B[er];W[dr]) (;B[dr];W[er]) (;B[hs];W[er])) (;B[hs];W[fq]) (;B[dr];W[er]) (;B[es];W[er]) (;B[cs];W[dr])) (;B[fr];W[fq] (;B[gs];W[fs] (;B[es];W[er]C[White is very much alive now.]) (;B[er];W[dr]) (;B[dr];W[er]) (;B[cs];W[dr] (;B[es];W[er]) (;B[hs];W[er])) (;B[hs];W[er])) (;B[cs];W[dr];B[gs];W[fs];B[es];W[er]) (;B[dr];W[er]) (;B[er];W[dr] (;B[gs];W[fs]) (;B[hs];W[gs]) (;B[fs];W[gs])) (;B[es];W[er]) (;B[fs];W[gs]) (;B[aq];W[dr])) (;B[fq];W[fr] (;B[gs];W[fs] (;B[er];W[es] (;B[dr];W[cs] (;B[dr]C[RIGHT]) (;B[hs];W[dr]) (;B[cr];W[dr]) (;B[er];W[dr])) (;B[hs];W[dr]) (;B[cs];W[dr]) (;B[aq];W[dr]) (;B[as];W[aq])) (;B[dr];W[er]) (;B[es];W[er]) (;B[hs];W[dr]) (;B[cs];W[dr])) (;B[er];W[dr] (;B[gs];W[es]) (;B[fs];W[es]) (;B[hs];W[es]) (;B[es];W[fs])) (;B[fs];W[es]) (;B[es];W[er]) (;B[dr];W[er]) (;B[cs];W[dr]) (;B[as];W[aq]) (;B[dp];W[dr]) (;B[ep];W[dr]) (;B[hs];W[er])) (;B[er];W[dr] (;B[fq];W[fr] (;B[gs];W[es]) (;B[fs];W[es]) (;B[hs];W[es]) (;B[es];W[fs])) (;B[gs];W[fr] (;B[fs];W[es]) (;B[fq];W[es]) (;B[hs];W[fs]) (;B[es];W[fs])) (;B[fr];W[fq] (;B[gs];W[fs]) (;B[fs];W[gs]) (;B[hs];W[gs])) (;B[fs];W[fr] (;B[gs];W[es]) (;B[fq];W[es]) (;B[es];W[gs]) (;B[hs];W[es])) (;B[es];W[fr]) (;B[hs];W[fq])) (;B[dr];W[er]) (;B[es];W[er]) (;B[fs];W[gs] (;B[fr];W[fq]) (;B[er];W[fq] (;B[dr];W[cs]) (;B[cs];W[dr]) (;B[fr];W[dr]) (;B[aq];W[dr]) (;B[es];W[dr])) (;B[fq];W[fr] (;B[er];W[es]) (;B[hs];W[er]) (;B[dr];W[er]) (;B[es];W[er]) (;B[cs];W[dr])) (;B[hs];W[fq]) (;B[dr];W[er]) (;B[es];W[er]) (;B[aq];W[dr]) (;B[as];W[aq]) (;B[cs];W[dr])) (;B[cs];W[dr]) (;B[as];W[aq]) (;B[aq];W[fq]) (;B[hs];W[er]) (;B[ep];W[fq]) (;B[ho];W[fq]))