Problem 15484 goproblems.com


Author	ilfuria	Created	2011-12-17
Difficulty	7 kyu (history)	Source	Cho chikun's encyclopedia of life and death advanced
AVG solve time	62 sec	Stars	4.29 (7 votes)
User attempts	474 / 1490	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2011-12-17
Source	Cho chikun's encyclopedia of life and death advanced
Stars	4.29 (7 votes)
Collections	N/A
Your attempts	N/A

(;AB[db]AB[dc]AB[dd]AB[ee]AB[fe]AW[eb]AW[ec]AW[ed]AW[fd]AW[gd]AW[hd]AW[hc]AW[hb]AW[ib]AB[ge]AB[he]AB[id]AB[ic]AB[jb]AB[kc]AP[goproblems] (;B[de]C[NOTTHIS]) (;B[ie]C[NOTTHIS]) (;B[ia] (;W[fb]C[CHOICE] (;B[ea];W[fa] (;B[gc] (;W[ha]C[CHOICE];B[gb]C[RIGHT]) (;W[gb]C[CHOICE];B[ha]C[RIGHT])) (;B[ha];W[ga] (;B[gc];W[ja] (;B[ia]C[RIGHT]) (;B[ka];W[ia])) (;B[ja];W[gc]))) (;B[ha];W[ga]LB[gc:A]LB[ea:B]C[A and B miai]) (;B[gc];W[ea] (;B[ha];W[ga]) (;B[gb];W[ga]) (;B[ga];W[ha];B[gb]C[Seki isn't enough]) (;B[fa];W[ga]) (;B[fc];W[ga]) (;B[ja]C[NOTTHIS])) (;B[ja]C[NOTTHIS]) (;B[gb];W[ga]LB[ea:A]LB[gc:B]C[A and B miai]) (;B[ga];W[ha] (;B[gb];W[gc];B[ea];W[fa]) (;B[gc];W[gb] (;B[fa];W[ea]) (;B[ea];W[fa])) (;B[fa];W[ea] (;B[gc];W[gb]) (;B[gb];W[gc])) (;B[ea];W[fa] (;B[gc];W[gb]) (;B[gb];W[gc]))) (;B[fa];W[ga]LB[ea:A]LB[gc:B]C[A and B miai]) (;B[fc]C[NOTTHIS])) (;W[gb]C[CHOICE] (;B[ha] (;W[ga]C[CHOICE] (;B[fc];W[fb];B[ea];W[ja];B[ia]C[RIGHT]) (;B[ea];W[fa] (;B[fc]C[RIGHT]) (;B[da];W[fc]) (;B[ja];W[fc]))) (;W[fa]C[CHOICE];B[fc]C[RIGHT])) (;B[fc];W[ha] (;B[fa];W[ea];B[fb]C[Seki is not enough]) (;B[fb];W[fa]) (;B[ea];W[fa])) (;B[ga];W[fa]C[Alive, black cannot connect]TR[ha]) (;B[ea];W[fa]LB[fc:A]LB[ha:B]C[A and B miai]) (;B[fa];W[ea] (;B[ga];W[fb]C[Black cannot connect]) (;B[ha];W[ga]) (;B[fb];W[fc]) (;B[fc];W[fb]) (;B[ja]C[NOTTHIS])) (;B[fb];W[fa]LB[fc:A]LB[ha:B]C[A and B miai]) (;B[da]C[NOTTHIS]) (;B[gc]C[NOTTHIS]))) (;B[ea];W[fb] (;B[ga];W[fa] (;B[ia];W[ha] (;B[gc];W[gb]) (;B[gb];W[gc])) (;B[gb];W[gc] (;B[ia];W[ha]) (;B[ha];W[ia])) (;B[gc];W[gb]) (;B[ha];W[gb];B[ia];W[ja];B[ia];W[ha])) (;B[fa];W[ga]LB[ia:A]LB[gc:B]C[A and B miai]) (;B[gb];W[ga]LB[gc:A]LB[ia:B]C[A and B miai]) (;B[gc];W[ia] (;B[ga];W[fa];B[gb]C[Seki: not enough]) (;B[gb];W[ga]) (;B[fa];W[ga])) (;B[ia];W[fa] (;B[gc] (;W[ha]C[CHOICE];B[gb]C[RIGHT]) (;W[gb]C[CHOICE];B[ha]C[RIGHT])) (;B[ha];W[ga] (;B[gc];W[ja] (;B[ia]C[RIGHT]) (;B[ka];W[ia])) (;B[ja];W[gc])))) (;B[gb];W[fb] (;B[ga];W[gc] (;B[da];W[ea] (;B[ja];W[ia]) (;B[ia];W[ha])) (;B[ea];W[fa] (;B[ia];W[ha]) (;B[ha];W[ia])) (;B[ia];W[ha];B[ea];W[fa]) (;B[fa];W[ea];B[ia];W[ha]) (;B[ha];W[ia] (;B[ea];W[fa]) (;B[fa];W[ea]))) (;B[gc];W[ga]LB[ea:A]LB[ia:B]C[A and B miai]) (;B[ea];W[ga]LB[gc:A]LB[ia:B]C[A and B miai]) (;B[ia];W[ga]LB[ea:A]LB[gc:B]C[A and B miai]) (;B[fc];W[gc]) (;B[fa];W[ea] (;B[gc];W[ga]) (;B[ha];W[ia] (;B[ga];W[gc]) (;B[gc];W[ga])) (;B[ga];W[gc];B[ia];W[ha]) (;B[ia];W[ha] (;B[ga];W[gc]) (;B[gc];W[ga]))) (;B[ha];W[ia] (;B[fa];W[ea] (;B[ga];W[gc]) (;B[gc];W[ga])) (;B[ga];W[gc] (;B[ea];W[fa]) (;B[fa];W[ea])) (;B[gc];W[fa]) (;B[ea];W[ga]))) (;B[fb];W[gb] (;B[fa];W[fc] (;B[ga];W[ea] (;B[ia];W[ha]) (;B[ha];W[ia])) (;B[ea];W[ga] (;B[ia];W[da] (;B[ea];W[fa]) (;B[fa];W[ea])) (;B[da];W[ia])) (;B[ia];W[ea]) (;B[ha];W[ea] (;B[ia];W[ga]) (;B[ga];W[ia])) (;B[da];W[ea] (;B[ga];W[ha]) (;B[ha];W[ga]) (;B[ia];W[ha]))) (;B[ea];W[fc] (;B[fa];W[ga] (;B[ia];W[da] (;B[ea];W[fa]) (;B[fa];W[ea])) (;B[da];W[ia])) (;B[ga];W[ha];B[fa];W[da]) (;B[ia];W[ga];B[fa];W[da] (;B[ea];W[fa]) (;B[fa];W[ea])) (;B[ha];W[ga])) (;B[fc];W[fa] (;B[ia];W[ha]) (;B[ha];W[ia]) (;B[ga];W[ha])) (;B[ga];W[ea] (;B[ja];W[ia] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[ia];W[ha] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[ha];W[fa] (;B[fc];W[ia]) (;B[ia];W[ja]LB[ga:1]LB[fc:2]LB[fb:2]LB[gc:2]C[Alive])) (;B[fc];W[fa]) (;B[fa];W[fc] (;B[ia];W[ha]) (;B[ha];W[ia]))) (;B[ia];W[fa]LB[fc:A]LB[ha:B]C[A and B miai]) (;B[da];W[fa] (;B[ea];W[fc]) (;B[ia];W[ha]) (;B[fc];W[ia]) (;B[ga];W[ha])) (;B[ha];W[ia] (;B[ga];W[ea] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[fa];W[ea] (;B[fc];W[ga]) (;B[ga];W[fc])) (;B[ea];W[ga] (;B[fa];W[fc]) (;B[fc];W[fa])) (;B[fc];W[fa]))) (;B[fc]C[NOTTHIS]) (;B[gc]C[NOTTHIS]) (;B[fa];W[ea] (;B[ia];W[fb] (;B[gb];W[ha] (;B[ga]) (;B[gc];W[ga])) (;B[ga];W[gb]) (;B[ha];W[gb] (;B[ja];W[ga]) (;B[ga];W[ja])) (;B[gc];W[ga]) (;B[fc]C[NOTTHIS])) (;B[gb];W[fb] (;B[gc];W[ga]) (;B[ha];W[ia] (;B[ga];W[gc]) (;B[gc];W[ga])) (;B[ga];W[gc]) (;B[ia];W[ha] (;B[ga]) (;B[gc];W[ga]))) (;B[fb];W[gb] (;B[fc];W[ia] (;B[ga];W[ha] (;B[da];W[gc]) (;B[ja];W[gc])) (;B[gc];W[ga])) (;B[ia];W[fc]) (;B[ha];W[fc] (;B[ia];W[ga]) (;B[ga])) (;B[ga];W[fc]) (;B[da];W[fc] (;B[ga];W[ha]) (;B[ha];W[ga]) (;B[ia];W[ha])))) (;B[ga];W[ea] (;B[ia];W[gb] (;B[ha];W[fa]LB[fc:A]LB[ja:B]C[A and B miai for life]) (;B[fb];W[ha] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[fa];W[fb]C[Black cannot connect]) (;B[fc];W[fa]TR[ha]C[If black connects white captures and lives]) (;B[gc]C[NOTTHIS];W[ha] (;B[fa];W[fb]) (;B[fb];W[fc]) (;B[fc];W[fb]))) (;B[fb];W[gb] (;B[ja];W[ia] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[ia];W[ha] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[ha];W[fa] (;B[fc];W[ia]) (;B[ia];W[ja]LB[ga:1]LB[fc:2]LB[fb:2]LB[gc:2]C[Alive])) (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[ha];W[gb] (;B[fb];W[fa] (;B[fc];W[ia]) (;B[ia];W[ja]LB[ga:1]LB[fc:2]LB[fb:2]LB[gc:2]C[Alive])) (;B[fa];W[fb]) (;B[ia];W[fa]LB[fc:A]LB[ja:B]C[A and B miai for life]) (;B[fc];W[fa] (;B[ia];W[ja]) (;B[da];W[ia]))) (;B[gb];W[fb] (;B[gc];W[ia]C[seki]) (;B[ha];W[ia] (;B[gc];W[fc]) (;B[fa];W[gc])) (;B[fa];W[gc]) (;B[ia];W[ha] (;B[fa];W[gc]) (;B[gc])) (;B[ja];W[gc] (;B[ia];W[ha]) (;B[ha];W[ia]))) (;B[fa];W[gb] (;B[ia];W[fb]C[Black cannot connect]) (;B[fb];W[fc]) (;B[ha];W[fb]) (;B[fc];W[fb] (;B[ia];W[ha]) (;B[ha];W[ia])) (;B[gc]C[NOTTHIS];W[fb]) (;B[ja];W[fb] (;B[ia];W[ha]) (;B[ha];W[ia]))) (;B[ja];W[gb] (;B[ia];W[fa]LB[fc:A]LB[ha:B]C[A and B miai for life]) (;B[ha];W[ia] (;B[fb];W[fc]) (;B[fa];W[fb]) (;B[fc];W[fb])) (;B[fb];W[ia] (;B[fc];W[fa]) (;B[fa];W[fc])) (;B[fc];W[fb] (;B[ha];W[ia]) (;B[ia];W[ha])) (;B[gc]C[NOTTHIS]) (;B[fa];W[fb] (;B[ia];W[ha]) (;B[ha];W[ia]))) (;B[gc];W[gb] (;B[ia];W[ha] (;B[fa];W[fb]) (;B[fb];W[fc]) (;B[fc];W[fb])) (;B[fb];W[fc];B[fa];W[ha]) (;B[ha];W[ia] (;B[fb];W[fc]) (;B[fa];W[fb]) (;B[fc];W[fb])) (;B[fa];W[fb]) (;B[fc];W[fb])) (;B[fc];W[gb] (;B[ia];W[fa]TR[ha]C[If black connects white captures and lives]) (;B[ja];W[fb] (;B[ha];W[ia]) (;B[ia];W[ha])) (;B[fb];W[fa]) (;B[fa];W[fb] (;B[ia];W[ha]) (;B[ha];W[ia])) (;B[ha];W[fa] (;B[ia];W[ja]) (;B[da];W[ia])) (;B[gc];W[fb]))) (;B[ha];W[ga] (;B[ea];W[fb]LB[gc:A]LB[ia:B]C[A and B miai]) (;B[gb];W[ia] (;B[fa];W[fb] (;B[ea];W[gc]) (;B[da];W[ea]) (;B[ha];W[gc] (;B[ga];W[ea]) (;B[ea];W[ga])) (;B[gc];W[ea])) (;B[fb];W[fa]) (;B[da];W[fb]LB[gc:A]LB[ea:B]C[A and B miai]) (;B[ea];W[fa] (;B[fc];W[fb]) (;B[da];W[fb]) (;B[fb];W[da]) (;B[gc];W[fb])) (;B[fc] (;W[fb]) (;W[fa]C[CHOICE];B[fb];W[gc]C[CHOICE])) (;B[gc];W[ea] (;B[fb];W[fa]) (;B[fa];W[fb])) (;B[ja];W[ea] (;B[fb];W[fa]) (;B[fc];W[fa];B[da];W[gc]) (;B[gc];W[fa]) (;B[fa];W[fb]) (;B[da]C[NOTTHIS]))) (;B[fa];W[ia] (;B[ea];W[fb]) (;B[gb];W[fb] (;B[ea];W[gc]) (;B[da];W[ea]) (;B[ha];W[gc] (;B[ga]) (;B[ea];W[ga])) (;B[gc];W[ea])) (;B[fb];W[ea] (;B[gc];W[gb]) (;B[fc];W[gb]) (;B[gb];W[fc] (;B[ha];W[gc]C[Black cannot connect inside]) (;B[ja]C[NOTTHIS]) (;B[da]C[NOTTHIS])) (;B[da];W[gb]) (;B[ja];W[gb])) (;B[fc];W[fb]) (;B[gc];W[fb]) (;B[ja];W[fb]) (;B[da];W[ea];B[gb];W[fb])) (;B[fb];W[gb] (;B[ea];W[fa]LB[fc:A]LB[ia:B]C[A and B miai]) (;B[fa];W[ea]LB[fc:A]LB[ia:B]C[A and B miai]) (;B[fc];W[ia] (;B[ea];W[fa]) (;B[da];W[fa])) (;B[da];W[ea]LB[fc:A]LB[ia:B]C[miai]) (;B[gc];W[fc] (;B[da];W[ea]) (;B[ia];W[fa]) (;B[ea];W[fa])) (;B[ia];W[fc] (;B[fa];W[ea]) (;B[ea];W[fa]))) (;B[fc];W[fb]LB[ea:A]LB[ia:B]C[miai]) (;B[gc];W[fb]LB[ea:A]LB[ia:B]C[Miai]) (;B[da]C[NOTTHIS]) (;B[ia];W[fb]) (;B[ja];W[fb])) (;B[da]C[NOTTHIS];W[ea] (;B[ia];W[ha] (;B[fb];W[gb] (;B[fa];W[fc]) (;B[fc];W[fa]) (;B[ga]C[NOTTHIS]) (;B[gc]C[NOTTHIS];W[fa])) (;B[gb];W[fb] (;B[ga];W[gc]) (;B[gc];W[ga]) (;B[fc]C[NOTTHIS]) (;B[fa]C[NOTTHIS])) (;B[gc]C[NOTTHIS];W[gb] (;B[fb];W[fa]) (;B[fc];W[fb]) (;B[fa];W[fb]) (;B[ga]C[NOTTHIS])) (;B[fc]C[NOTTHIS]) (;B[ga]C[NOTTHIS]) (;B[fa]C[NOTTHIS])) (;B[ja];W[ia] (;B[ga];W[gb] (;B[fb];W[fc]) (;B[fa]C[NOTTHIS]) (;B[fc]C[NOTTHIS]) (;B[gc]C[NOTTHIS]) (;B[ha]C[NOTTHIS])) (;B[gb];W[ga] (;B[fa];W[fb]) (;B[fb];W[fa]) (;B[fc];W[fb]) (;B[gc];W[fb])) (;B[gc];W[gb] (;B[fb];W[fa]) (;B[fc]C[NOTTHIS]) (;B[ga]C[NOTTHIS]) (;B[fa]C[NOTTHIS];W[fb]) (;B[ha]C[NOTTHIS])) (;B[fb];W[gb] (;B[ga];W[fc]) (;B[fa];W[fc]) (;B[fc];W[ga]) (;B[ha]C[NOTTHIS]) (;B[gc]C[NOTTHIS];W[fa])) (;B[fc];W[fb] (;B[gb];W[gc]) (;B[ga];W[gb]) (;B[gc];W[gb]) (;B[fa]C[NOTTHIS]) (;B[ha]C[NOTTHIS])) (;B[fa];W[fb] (;B[gb]C[NOTTHIS];W[gc]) (;B[ga]C[NOTTHIS]) (;B[gc]C[NOTTHIS])) (;B[ha]C[NOTTHIS]))) (;B[ja]C[NOTTHIS]))