Problem	3921
Created	2004-02-15
Source	GO (Dutch Go journal)
Rating

Difficulty	16.7 kyu
Average Solve Time	15 secs
User Attempts	13094 / 20843
Solve Ratio Rating	15 kyu
	rating history

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(;AB[bb]AB[cb]AB[db]AB[eb]AW[bc]AW[cc]AW[dc]AW[ec]AW[fc]AW[be]AW[gc]AW[ic]AP[goproblems] (;B[ab] (;W[fb] (;B[ea];W[ba];B[ca]C[RIGHT]) (;B[ba];W[ea];B[da]C[RIGHT]) (;B[ca];W[ea]) (;B[da];W[ba]) (;B[fa];W[ea] (;B[ba];W[da] (;B[ca];W[ea];B[ga];W[hb]) (;B[ga];W[hb];B[ca];W[ea])) (;B[da];W[ba] (;B[ga];W[hb]) (;B[gb];W[hb]) (;B[ha];W[ib];B[ia];W[kb]) (;B[ca];W[ga]C[only one eye])) (;B[ga];W[hb] (;B[ba];W[da];B[ca];W[ea]) (;B[da];W[ba]) (;B[ha];W[ia];B[da];W[ba])))) (;W[ba];B[fb];W[ca];B[gb];W[hb];B[ga]C[RIGHT]) (;W[ea];B[fb] (;W[gb];B[fa]C[RIGHT]) (;W[fa];B[gb] (;W[hb];B[ga]C[RIGHT]) (;W[ga];B[ha]C[RIGHT])))) (;B[fb];W[ab] (;B[gb];W[hb] (;B[ga];W[ba] (;B[ca];W[ea]) (;B[ea];W[ca];B[da];W[ac];B[aa];W[ba])) (;B[ba];W[ga] (;B[fa];W[da]) (;B[da];W[fa]))) (;B[ba];W[gb] (;B[fa];W[da]) (;B[da];W[fa]) (;B[ga];W[hb] (;B[da];W[fa]) (;B[fa];W[da]) (;B[ha];W[ia];B[fa];W[da]))) (;B[aa];W[ba];B[ca];W[gb] (;B[aa];W[ac]) (;B[ac];W[ad])) (;B[hb];W[gb];B[ga];W[ib]) (;B[da];W[gb] (;B[ba];W[fa]) (;B[fa];W[ba]))) (;B[ac];W[fb] (;B[ea];W[ab] (;B[aa];W[ca]) (;B[ca];W[ad])) (;B[ba];W[ab]) (;B[ab];W[ba] (;B[ea];W[ca]) (;B[ca];W[ea])) (;B[ca];W[ea]) (;B[fa];W[ga];B[ea];W[ab] (;B[ca];W[ad]) (;B[aa];W[ca])) (;B[aa];W[ea]C[a18 is only a false eye])) (;B[ea];W[ab]C[Black has one eye around C19; no eye can be made on the right.]) (;B[ba];W[ab] (;B[fb];W[gb] (;B[fa];W[da]) (;B[da];W[fa])) (;B[da];W[fb])) (;B[ca];W[ab] (;B[fb];W[gb]) (;B[aa];W[ac];B[fb];W[gb]) (;B[ea];W[fb])) (;B[da];W[fb] (;B[ab];W[ba]) (;B[ba];W[ab])) (;B[aa];W[fb] (;B[ca];W[ea]) (;B[ea];W[ca]) (;B[fa];W[ga];B[ea];W[ca]) (;B[ac];W[ea]C[a18 is only a false eye])) (;B[fa];W[ab] (;B[fb];W[gb] (;B[ba];W[da]) (;B[da];W[ba])) (;B[ba];W[gb] (;B[fb];W[da]) (;B[da];W[fb]) (;B[ga];W[hb])) (;B[gb];W[hb];B[ba];W[fb]) (;B[ha];W[ib];B[hb];W[hc] (;B[gb];W[fb]) (;B[fb];W[gb] (;B[ba];W[da]) (;B[da];W[ba]))) (;B[ga];W[hb]) (;B[hb];W[gb];B[ga];W[ib];B[ia];W[jb])) (;B[gb];W[fb] (;B[fa];W[hb] (;B[ab];W[ea] (;B[ba];W[da];B[ca];W[ea]) (;B[da];W[ba])) (;B[ga];W[ab]) (;B[ea];W[ab]) (;B[ha];W[ia] (;B[ga];W[ea]) (;B[ab];W[ba] (;B[ca];W[ea]) (;B[ea];W[ca])) (;B[ea];W[ab]))) (;B[ab];W[ea];B[da];W[ba];B[fa];W[hb]) (;B[ea];W[ab];B[fa];W[hb])) (;B[ga];W[fb];B[fa];W[hb] (;B[ea];W[ab]) (;B[ab];W[ea] (;B[ba];W[da];B[ca];W[ea]) (;B[da];W[ba]))))