Problem	11579
Created	2008-07-24
Source	one of my games on KGS
Rating

Difficulty	6 dan
Average Solve Time	60 secs
User Attempts	355 / 1014
Solve Ratio Rating	5 kyu
	rating history

Hello soldier. You have been hand-picked by the agency for this task. Do not fail.

(;AW[pb]AW[ob]AW[nc]AW[mc]AW[kc]AW[lc]AB[ma]AB[mb]AB[lb]AW[kb]AW[ja]AB[jb]AB[jc]AB[hb]AB[jd]AB[gc]AB[gd]AB[ke]AB[le]AB[me]AB[ne]AB[qb]AB[qc]AB[pd]AB[oe]AW[pa]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[la];W[oa];B[ma]C[RIGHT])) (;W[la];B[nb]C[RIGHT])) (;B[la];W[ka]) (;B[nb];W[ka]) (;B[ia];W[ka]))) (;B[nb];W[na];B[oa];W[la];B[ka];W[na]C[An unfavorable ko for Black, as the threat at m19 is unremovable. Even if black takes the ko at j19, there is an oiotoshi at m19. You have failed. Game Over.]))