Problem 11579 goproblems.com


Author	awa	Created	2008-07-24
Difficulty	3 kyu (history)	Source	one of my games on KGS
AVG solve time	74 sec	Stars	3.8 (20 votes)
User attempts	615 / 1729	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2008-07-24
Source	one of my games on KGS
Stars	3.8 (20 votes)
Collections	N/A
Your attempts	N/A

(;AW[pb][ob][nc][mc][kc][lc][kb][ja][pa]AB[ma][mb][lb][jb][jc][hb][jd][gc][gd][ke][le][me][ne][qb][qc][pd][oe]C[A rather simplistic problem. Your task is simple: KIll White.]AP[goproblems] (;B[na] (;W[nb];B[la]C[Very good, White is left with a bulky five eye-shape. You have succeeded in your mission. Have a cookie.RIGHT]) (;W[la] (;B[nb]C[Very good, White is left with a bulky five eye-shape. You have succeeded in your mission. Have a cookie.RIGHT]) (;B[ka];W[nb] (;B[la];W[oa] (;B[ma];W[la];B[mb]C[Very good, you have succeeded in your mission. Have a cookie.RIGHT])(;B[la];W[ma] (;B[ka];W[lb]C[You have failed in your mission. Game Over.]) (;B[ia];W[ka]C[You have failed in your mission. Game Over.])) (;B[ka];W[la] (;B[ma];W[mb]C[You have failed in your mission. Game Over.]) (;B[mb];W[ma]C[You have failed in your mission. Game Over.])) (;B[lb];W[la] (;B[ma];W[mb]C[You have failed in your mission. Game Over.]) (;B[mb];W[ma]C[You have failed in your mission. Game Over.])) (;B[mb];W[ma] (;B[la];W[lb]C[You have failed in your mission. Game Over.]) (;B[lb];W[la]C[You have failed in your mission. Game Over.])) (;B[na];W[ma] (;B[la];W[lb]C[You have failed in your mission. Game Over.]) (;B[lb];W[la]C[You have failed in your mission. Game Over.]))) (;B[ia];W[oa] (;B[ja];W[la] (;B[ma];W[mb];B[lb]C[Favorable ko for Black, but you could have killed unconditionally.]) (;B[mb];W[ma]C[You have failed in your mission. Game Over.])) (;B[la];W[ja] (;B[ma];W[la];B[mb]C[Very good, you have succeeded in your mission. Have a cookie.RIGHT]) (;B[ka];W[ma] (;B[lb];W[la]C[You have failed in your mission. Game Over.]) (;B[la];W[lb]C[You have failed in your mission. Game Over.])) (;B[la];W[ma] (;B[lb];W[ka]C[You have failed in your mission. Game Over.]) (;B[ka];W[lb]C[You have failed in your mission. Game Over.])))))) (;W[oc]C[CHOICE] (;B[ka](;W[nb](;B[ia];W[oa](;B[la];W[ja] (;B[ma]C[RIGHT]) (;B[ka];W[ma]) (;B[la];W[ma])) (;B[ja];W[la];B[ma];W[mb]C[Ko])) (;B[la];W[oa];B[ma]C[RIGHT])) (;W[la];B[nb]C[RIGHT])) (;B[la];W[ka]C[Seki.]) (;B[nb];W[ka]C[Seki.]) (;B[ia];W[ka]C[Seki.])) (;W[ka];B[oc]C[RIGHT])) (;B[nb];W[na];B[oa];W[ka]))