Problem 4073 goproblems.com


Author	BartTM	Created	2004-03-14
Difficulty	7 dan (history)	Source	Dutch Go journal; ladder 98/3
AVG solve time	72 sec	Stars	3.8 (5 votes)
User attempts	124 / 2003	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2004-03-14
Source	Dutch Go journal; ladder 98/3
Stars	3.8 (5 votes)
Collections	N/A
Your attempts	N/A

(;AB[ca]AB[cb]AB[dc]AB[ec]AB[fc]AB[gc]AB[ga]AB[ib]AB[ic]AW[ba]AW[bb]AW[bc]AW[cd]AW[dd]AW[ed]AW[fd]AW[gd]AW[hd]AW[id]AW[jc]AW[jb]AW[ja]AW[eb]C[]AP[goproblems] (;W[db];B[cc] (;W[ia] (;B[ea]C[CHOICE] (;W[gb] (;B[hb]C[CHOICE] (;W[fb] (;B[fa]C[CHOICE] (;W[hc];B[da] (;W[ha]C[RIGHT]) (;W[eb]C[RIGHT]) (;W[gb];B[ha]) (;W[fb];B[eb]) (;W[db];B[ha])) (;W[ha];B[da] (;W[hc]C[RIGHT]) (;W[eb]C[RIGHT]) (;W[gb];B[hc]) (;W[fb];B[eb]) (;W[db];B[hc]))) (;B[hc];W[ha]C[RIGHT])) (;W[hc];B[fb]) (;W[ha];B[fb])) (;B[fb];W[hb];B[hc];W[ha]C[RIGHT])) (;W[fb];B[gb]C[Black lives!]) (;W[hb];B[gb]C[Black lives.]) (;W[hc];B[hb]C[Black lives.] (;W[fb];B[gb]) (;W[ha];B[gb]) (;W[gb];B[fb])) (;W[ha];B[gb]C[Black lives.])) (;B[hb];W[fb];B[ea];W[gb] (;B[fa]C[CHOICE] (;W[hc];B[da] (;W[ha]C[RIGHT]) (;W[eb]C[RIGHT]) (;W[gb];B[ha]) (;W[fb];B[eb]) (;W[db];B[ha])) (;W[ha];B[da] (;W[hc]C[RIGHT]) (;W[eb]C[RIGHT]) (;W[gb];B[hc]) (;W[fb];B[eb]) (;W[db];B[hc]))) (;B[hc];W[ha]C[RIGHT]))) (;W[hc];B[hb] (;W[fb];B[gb] (;W[ia];B[ea]) (;W[ea];B[ia])) (;W[ia];B[ea] (;W[fb];B[gb]) (;W[ha];B[gb]) (;W[gb];B[fb])) (;W[ea];B[ia]) (;W[gb];B[fb])) (;W[hb];B[hc] (;W[ia];B[ha]) (;W[fa];B[fb] (;W[ha];B[ia]) (;W[ia];B[gb])) (;W[fb];B[gb]) (;W[gb];B[fb]) (;W[ha];B[ia])) (;W[ha];B[ia]) (;W[fb];B[gb] (;W[hc];B[hb] (;W[ia];B[ea]) (;W[ea];B[ia])) (;W[ia];B[hc] (;W[ha];B[ea]) (;W[ea];B[ha])) (;W[ea];B[ia]) (;W[da];B[ia]) (;W[fa];B[ia]) (;W[hb];B[hc]) (;W[ha];B[ia])) (;W[gb];B[fb]) (;W[ea];B[ia]) (;W[fa];B[hb] (;W[ia];B[fb] (;W[ha];B[ea]) (;W[hc];B[ea])) (;W[fb];B[gb] (;W[ea];B[ia]) (;W[ia];B[ea]) (;W[hc];B[ia])) (;W[hc];B[ia])) (;W[da];B[fb])) (;W[ia];B[ea] (;W[fb];B[gb]) (;W[db];B[fb]C[Black has 2 eyes.]) (;W[cc];B[db]) (;W[hb];B[gb]C[Black lives.]) (;W[hc];B[hb] (;W[fb];B[gb]) (;W[ha];B[gb]) (;W[db];B[fb]) (;W[cc];B[fb]) (;W[gb];B[fb])) (;W[ha];B[gb]C[Black lives.]) (;W[gb];B[hb] (;W[hc];B[fb]) (;W[ha];B[fb]) (;W[fb];B[db]) (;W[cc];B[fb]) (;W[db];B[fb]))) (;W[ea];B[ia]) (;W[cc];B[db]LB[ea:A]LB[ia:B]C[Black lives with either A or B.]) (;W[hb];B[hc] (;W[ia];B[ha]) (;W[gb];B[fb]) (;W[db];B[cc] (;W[ia];B[ha]) (;W[gb];B[fb]) (;W[fb];B[gb]) (;W[fa];B[ia] (;W[gb];B[fb]) (;W[fb];B[gb]) (;W[da];B[fb]) (;W[ha];B[gb]))) (;W[fb];B[gb]) (;W[fa];B[gb]) (;W[ea];B[gb]) (;W[ha];B[ia]) (;W[cc];B[db] (;W[ia];B[ha]) (;W[ha];B[ia]) (;W[gb];B[fb]) (;W[fa];B[gb]) (;W[fb];B[gb]) (;W[ea];B[ia]))) (;W[ha];B[ia]) (;W[hc];B[hb] (;W[ia];B[ea] (;W[fb];B[gb]) (;W[ha];B[gb]) (;W[db];B[fb]) (;W[cc];B[fb]) (;W[gb];B[fb])) (;W[fb];B[gb] (;W[ia];B[ea]C[Black is alive.]) (;W[db];B[cc] (;W[ia];B[ea]) (;W[ea];B[ia])) (;W[ea];B[ia]) (;W[da];B[ia]) (;W[cc];B[db] (;W[ia];B[ea]) (;W[ea];B[ia]))) (;W[db];B[cc] (;W[fb];B[gb] (;W[ia];B[ea]) (;W[ea];B[ia])) (;W[ia];B[ea] (;W[fb];B[gb]) (;W[ha];B[gb]) (;W[gb];B[fb])) (;W[ea];B[ia]) (;W[gb];B[fb])) (;W[ea];B[ia]) (;W[gb];B[fb]LB[fa:A]LB[ha:B]C[Since White can't play at either A or B, Black lives.]) (;W[ha];B[ia]) (;W[cc];B[db] (;W[fb];B[gb] (;W[ia];B[ea]) (;W[ea];B[ia])) (;W[ia];B[ea]) (;W[ea];B[ia]) (;W[fa];B[ia]))) (;W[fb];B[gb] (;W[ia];B[hc];W[ha];B[ea]) (;W[ea];B[ia]) (;W[hc];B[hb] (;W[ia];B[ea]C[Black is alive.]) (;W[db];B[cc]) (;W[ea];B[ia]) (;W[da];B[ia]) (;W[cc];B[db] (;W[ia];B[ea]) (;W[ea];B[ia]))) (;W[cc];B[db] (;W[hc];B[hb];W[ia];B[ea]) (;W[ia];B[ea]) (;W[ea];B[ia]) (;W[hb];B[hc])) (;W[db];B[cc] (;W[hc];B[hb]) (;W[ia];B[hc] (;W[ha];B[ea]) (;W[ea];B[ha])) (;W[ea];B[ia]) (;W[da];B[ia]) (;W[fa];B[ia]) (;W[hb];B[hc]) (;W[ha];B[ia])) (;W[ha];B[ia]) (;W[hb];B[hc])) (;W[gb];B[fb]) (;W[fa];B[hc]C[] (;W[gb];B[fb] (;W[ha];B[ia] (;W[cc];B[db]C[All White has achieved is a seki in gote.]) (;W[db];B[ea]) (;W[ga];B[ea];W[da];B[db]) (;W[ea];B[hb] (;W[ga];B[db]) (;W[cc];B[ga]) (;W[db];B[ga])) (;W[da];B[db])) (;W[ia];B[ea]) (;W[ea];B[ha]) (;W[cc];B[ea]) (;W[db];B[ea])) (;W[ha];B[ia] (;W[gb];B[fb] (;W[cc];B[db]C[All White has achieved is a seki in gote.]) (;W[db];B[ea]) (;W[ga];B[ea];W[da];B[db]) (;W[ea];B[hb] (;W[ga];B[db]) (;W[cc];B[ga]) (;W[db];B[ga])) (;W[da];B[db])) (;W[db];B[cc] (;W[gb];B[fb]C[Gote seki]TR[ea]) (;W[da];B[fb];W[gb]))) (;W[ea];B[gb]) (;W[cc];B[db];W[gb];B[fb] (;W[ha];B[ia]C[Gote seki for White.]) (;W[ia]C[Black is actually alive as it stands...])) (;W[db];B[cc] (;W[gb];B[fb] (;W[ha];B[ia]) (;W[ia];B[ea])) (;W[ha];B[ia];W[gb];B[fb]) (;W[ia];B[fb] (;W[ha];B[ea]) (;W[hb];B[ea]))) (;W[ia];B[fb] (;W[ha];B[ea]) (;W[ea];B[ha]) (;W[db];B[ea]) (;W[cc];B[ea]) (;W[hb];B[ea]) (;W[da];B[db])) (;W[da];B[ia] (;W[cc];B[db];W[gb];B[fb]) (;W[gb];B[fb] (;W[ha];B[db]) (;W[cc];B[db])) (;W[db];B[cc] (;W[gb];B[fb];W[ha];B[ea];W[db];B[hb]) (;W[fb];B[gb]) (;W[ha];B[fb];W[gb];B[ea];W[db];B[hb])) (;W[fb];B[gb]))) (;W[da];B[ia]) (;W[kd];B[ia]) (;W[ac];B[ia]) (;W[bd];B[ia]) (;W[jd];B[ia]))