Problem 7019 goproblems.com


Author	nutcase	Created	2005-08-03
Difficulty	8 dan (history)	Source	Go Seigen
AVG solve time	33 sec	Stars	3 (4 votes)
User attempts	80 / 1555	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2005-08-03
Source	Go Seigen
Stars	3 (4 votes)
Collections	N/A
Your attempts	N/A

(;AB[kb]AB[kc]AB[jc]AB[lc]AB[pd]AB[pc]AB[pb]AB[md]AB[nc]AW[jb]AW[ib]AW[ic]AW[id]AW[je]AW[ke]AW[qb]AW[qc]AW[qd]AW[qe]AW[pe]AW[oe]AW[ne]SZ[19]AW[nd]AW[me]AB[kd]AW[rb]C[White to kill. Ko is not a solution.] (;W[mb];B[nb] (;W[oc] (;B[ob] (;W[la];B[ka] (;W[od]C[];B[pa] (;W[na]C[RIGHT]) (;W[mc];B[ld])) (;W[mc];B[ld] (;W[od];B[lb]) (;W[ja];B[na])) (;W[pa];B[od] (;W[na];B[mc];W[oa];B[lb]) (;W[mc];B[ld];W[na];B[lb])) (;W[na];B[od])) (;W[od];B[ma] (;W[la];B[oa]C[ko]) (;W[pa];B[lb]) (;W[lb];B[la])) (;W[ma];B[od] (;W[ka];B[na] (;W[mc];B[pa]) (;W[pa];B[la])) (;W[mc];B[na] (;W[pa];B[ld]) (;W[ld];B[pa]))) (;W[na];B[la] (;W[pa];B[ma]) (;W[mc];B[ld]) (;W[ma];B[od] (;W[pa];B[oa]) (;W[mc];B[ld];W[pa];B[lb]))) (;W[pa];B[lb] (;W[ma];B[od]) (;W[na];B[oa]) (;W[od];B[ma]) (;W[oa];B[ma]) (;W[la];B[ka]))) (;B[od]C[] (;W[pa];B[ob];W[na];B[oa];W[mc]C[RIGHT]) (;W[nd];B[oa]))) (;W[pa];B[oa] (;W[oc];B[ma] (;W[la];B[lb];W[na]C[ko]) (;W[od];B[lb] (;W[ka];B[ob]) (;W[ob];B[ka])) (;W[lb];B[mc])) (;W[la];B[ka] (;W[oc];B[ma]C[ko]) (;W[ma];B[od])) (;W[ma];B[mc] (;W[ka];B[la] (;W[oc]C[RIGHT]) (;W[ob];B[na]) (;W[od];B[oc]) (;W[lb];B[na];W[oc];B[la];W[mb];B[qa];W[od]C[RIGHT]) (;W[ja];B[na];W[oc]C[RIGHT])) (;W[oc]C[RIGHT]) (;W[la];B[ka];W[oc]C[RIGHT]) (;W[lb];B[oc]) (;W[na];B[qa]))) (;W[la];B[ka] (;W[mc];B[ld]) (;W[oc];B[od];W[pa];B[ob] (;W[na];B[mc];W[oa];B[lb]) (;W[mc];B[ld];W[na];B[lb])) (;W[pa];B[oa] (;W[oc];B[ma]C[ko]) (;W[ma];B[od]))) (;W[ka];B[la] (;W[oc];B[od] (;W[pa];B[ob] (;W[na];B[mc];W[oa];B[lb]) (;W[mc];B[ld];W[na];B[lb])) (;W[mc];B[ld])) (;W[na];B[oa] (;W[ma];B[oc];W[lb];B[mc]) (;W[oc];B[ma]))) (;W[mc];B[ld] (;W[oc];B[ob] (;W[od];B[ma]) (;W[la];B[lb]) (;W[pa];B[ma])) (;W[la];B[lb]) (;W[pa];B[oa];W[oc];B[ma]))) (;W[oc];B[ob] (;W[od];B[mb]) (;W[mb];B[od];W[mc];B[ld];W[nb];B[lb]C[ko])) (;W[ob];B[oc] (;W[mb];B[nb]) (;W[pa];B[mb])) (;W[pa];B[mb] (;W[ob];B[nb]) (;W[la];B[ka])) (;W[nb];B[mb];W[oc];B[ob]C[]) (;W[ma];B[mb] (;W[ka];B[na];W[la];B[ob]) (;W[la];B[na];W[ka];B[ob]) (;W[ob];B[nb])) (;W[oa];B[mb];W[la];B[ka]) (;W[la];B[ka] (;W[ob];B[mb] (;W[nb];B[oc]) (;W[oc];B[nb])) (;W[mb];B[nb] (;W[mc];B[ld]) (;W[oc];B[od];W[pa];B[ob]) (;W[pa];B[oa] (;W[oc];B[ma]C[ko]) (;W[ma];B[od])))) (;W[nd];B[mb]))