Problem 3164 goproblems.com


Author	tails	Created	2003-10-25
Difficulty	6 dan (history)	Source	N/A
AVG solve time	57 sec	Stars	4.67 (3 votes)
User attempts	347 / 2317	Collections	Side based, Notch Group
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2003-10-25
Source	N/A
Stars	4.67 (3 votes)
Collections	Side based, Notch Group
Your attempts	N/A

(;AB[fr]AB[gr]AB[hr]AB[iq]AB[jr]AB[kr]AB[lr]AB[mr]AW[dr]AW[er]AW[eq]AW[fq]AW[gq]AW[hq]AW[hp]AW[ho]AW[io]AW[jo]AW[jp]AW[jq]AW[kq]AW[lq]AW[mq]AW[nq]AW[nr]AW[or]C[White to kill.]AP[goproblems] (;W[fs];B[ms] (;W[gs];B[hs] (;W[ir] (;B[is]C[CHOICE] (;W[ks]C[];B[es];W[fs]C[RIGHT]) (;W[js];B[ks];W[ip];B[ir]) (;W[ip];B[ks] (;W[ir];B[es] (;W[fs];B[iq]C[ko]) (;W[iq];B[fs])) (;W[es];B[ir])) (;W[es];B[ks]C[two eyes.])) (;B[es]C[CHOICE] (;W[fs];B[is] (;W[ks]C[RIGHT]) (;W[ds];B[ks];W[ip];B[ir]) (;W[ip];B[ks] (;W[ir]C[ko]) (;W[ds];B[ir]))) (;W[ip];B[is] (;W[fs];B[ks];W[iq]C[RIGHT]) (;W[js];B[iq] (;W[ks];B[fs];W[ir]C[ko]) (;W[fs];B[ks];W[ir]C[ko]))) (;W[is];B[js] (;W[ir];B[fs]) (;W[fs];B[ir])) (;W[js];B[is] (;W[fs];B[ks];W[ip];B[ir]) (;W[ks];B[fs];W[ip];B[ir]) (;W[ip];B[ir] (;W[ks];B[fs]) (;W[fs];B[ks]))) (;W[ks];B[fs] (;W[ip];B[js] (;W[iq];B[is]) (;W[is];B[iq])) (;W[is];B[js]) (;W[js];B[is];W[ip];B[ir])))) (;W[ks];B[es];W[fs];B[js];W[ir]C[RIGHT]) (;W[is];B[ir]C[] (;W[js];B[ks]) (;W[ks];B[js])) (;W[js];B[ks] (;W[ir];B[is];W[ip];B[ir]) (;W[is];B[ir]) (;W[ip];B[ir])) (;W[ip];B[ir] (;W[js];B[ks]) (;W[ks];B[js]))) (;W[ks];B[gs] (;W[js];B[is]) (;W[is];B[ir];W[js]C[seki]) (;W[ir];B[is]) (;W[ip];B[ir])) (;W[hs];B[is]) (;W[is];B[ir] (;W[gs];B[hs] (;W[js];B[ks]) (;W[ks];B[js])) (;W[ks];B[js]) (;W[js];B[ks]) (;W[hs];B[gs])) (;W[js];B[is] (;W[gs];B[ks]) (;W[ks];B[gs]) (;W[hs];B[gs]) (;W[ip];B[ir] (;W[ks];B[gs]) (;W[gs];B[ks]))) (;W[ir];B[is] (;W[gs];B[ks]) (;W[ks];B[gs]) (;W[ip];B[ir] (;W[ks];B[gs]) (;W[gs];B[ks]))) (;W[ip];B[ir] (;W[gs];B[hs] (;W[js];B[ks]) (;W[ks];B[js])) (;W[ks];B[gs]))) (;W[ms];B[is] (;W[ls];B[ks];W[fs];B[gs]) (;W[fs];B[gs];W[ls];B[ks]) (;W[ip];B[ir] (;W[ls];B[ks];W[fs];B[gs]) (;W[fs];B[gs];W[ls];B[ks])) (;W[ks];B[ls])) (;W[is];B[js] (;W[ir];B[hs] (;W[ir];B[fs] (;W[ms];B[ls]C[two eyes.]) (;W[ls];B[ms]C[two eyes.]) (;W[ip]C[Black can pass(tenuki) to live.])) (;W[fs];B[ir])) (;W[fs];B[ir]) (;W[gs];B[ir]) (;W[ip];B[ir]) (;W[hs];B[ir]) (;W[ms];B[ls] (;W[ir];B[hs] (;W[ir];B[fs]) (;W[fs];B[ir])) (;W[fs];B[ir]) (;W[gs];B[ir]) (;W[hs]C[];B[lo]C[Black can tenuki and live. Continue?] (;W[ir];B[gs] (;W[ir];B[is];W[ip];B[ir]) (;W[is];B[ir])) (;W[gs];B[fs] (;W[es];B[ir]) (;W[ip];B[ir])) (;W[fs];B[ir] (;W[es];B[gs]) (;W[gs];B[es];W[fs];B[mo]C[Black can tenuki once more!])))) (;W[ls];B[ms];W[ir];B[hs] (;W[ir];B[fs]) (;W[fs];B[ir]))) (;W[js];B[is]) (;W[hs];B[is] (;W[fs];B[gs]) (;W[js];B[ks]) (;W[ip];B[ir])) (;W[gs];B[fs] (;W[is];B[ir];W[hs];B[ms]) (;W[ir];B[is]) (;W[ms];B[ls] (;W[is];B[ir]) (;W[ir];B[is])) (;W[js];B[ir]) (;W[ks];B[ir] (;W[ms];B[ls]) (;W[ls];B[ms])) (;W[ls];B[ms] (;W[ir];B[is]) (;W[is];B[ir]))) (;W[ls];B[ms] (;W[fs];B[gs] (;W[is];B[ir]) (;W[ir];B[is])) (;W[is];B[ir]) (;W[ir];B[is]) (;W[gs];B[fs];W[is];B[ir])) (;W[ks];B[fs] (;W[hs];B[is]) (;W[is];B[hs] (;W[ir];B[js]) (;W[js];B[ir]) (;W[ms];B[ls] (;W[ir];B[js]) (;W[js];B[ir]) (;W[ip];B[ir])) (;W[ls];B[ms])) (;W[ir];B[is]) (;W[ip];B[ir] (;W[ms];B[ls]) (;W[hs];B[ms])) (;W[ms];B[ls] (;W[ir];B[is]) (;W[is];B[ir]) (;W[js];B[is]) (;W[hs];B[ir])) (;W[ls];B[ms] (;W[is];B[ir]) (;W[ir];B[is]) (;W[ip];B[ir]) (;W[hs];B[ir])) (;W[js];B[is] (;W[ms];B[ls]) (;W[ls];B[ms]) (;W[ip];B[ir]) (;W[hs];B[gs] (;W[ip];B[ir]) (;W[ms];B[ls]) (;W[ls];B[ms])))) (;W[ir];B[is]) (;W[ip];B[ir] (;W[ms];B[ls] (;W[fs];B[gs]) (;W[js];B[fs]) (;W[gs];B[fs]) (;W[hs];B[fs]) (;W[is];B[fs] (;W[hs];B[js]) (;W[js];B[hs]))) (;W[fs];B[gs] (;W[ms];B[ls]) (;W[ls];B[ms]) (;W[ks];B[ms]) (;W[js];B[ms]) (;W[is];B[ms])) (;W[is];B[fs] (;W[hs];B[ms]) (;W[js];B[ms]) (;W[ks];B[ms]) (;W[ls];B[ms]) (;W[ms];B[ls] (;W[hs];B[js]) (;W[js];B[hs]))) (;W[js];B[ms] (;W[ks];B[fs]) (;W[is];B[fs]) (;W[hs];B[fs]) (;W[gs];B[fs]) (;W[fs];B[gs])) (;W[ls];B[ms]) (;W[gs];B[fs]) (;W[ks];B[fs];W[ms];B[ls]) (;W[hs];B[ms];W[fs];B[gs])))