(;AB[ab]AB[bc]AW[bb]AW[cc]AW[dc]AW[ec]AW[fc]AW[fd]AW[fb]AW[gb]AB[bd]AB[cd]AB[dd]AB[ee]AB[fe]AB[gd]AB[gc]AB[hb]AB[he]MA[ab]C[Black just played the marked stone. White to live, and beware of the Kos ....]AB[eb]AP[goproblems]
(;W[ba];B[db]
(;W[da];B[ea]
(;W[fa];B[ca];W[cb]C[RIGHT])
(;W[ca];B[ga])
(;W[cb];B[ca];W[fa]C[RIGHT]))
(;W[ea];B[da]
(;W[cb];B[fa])
(;W[fa]))
(;W[ca];B[ea])
(;W[ga];B[ea];W[da];B[ca];W[cb];B[da]))
(;W[ca];B[db]
(;W[da];B[ga])
(;W[ea];B[ga])
(;W[ga];B[ea]
(;W[ba];B[da])
(;W[da];B[ba]C[Ko :(])))
(;W[cb];B[ga]
(;W[ea];B[ba])
(;W[ba];B[da])
(;W[da];B[ba])
(;W[fa];B[ba]))
(;W[ea];B[ga]
(;W[db];B[ba]
(;W[ca]C[Only Ko!];B[cb]C[Ko :(])
(;W[cb];B[ca])
(;W[da];B[cb]))
(;W[da];B[ba];W[ca];B[cb])
(;W[ba];B[db])
(;W[ca];B[db])
(;W[cb];B[ba])
(;W[fa];B[db]))
(;W[da];B[ba]
(;W[cb];B[ga])
(;W[ea];B[cb])
(;W[ca];B[cb])
(;W[db];B[cb])
(;W[ga];B[cb]))
(;W[db];B[ba]
(;W[cb];B[ea])
(;W[ca];B[cb]C[Ko :(])
(;W[ea];B[ga]
(;W[cb];B[ca])
(;W[ca];B[cb]C[Ko :(]))
(;W[da];B[cb])
(;W[ga]
(;B[cb])
(;B[ea];W[ca];B[cb]C[Ko :(])))
(;W[ga];B[ea]
(;W[db];B[ba]
(;W[ca];B[cb]C[Ko :(])
(;W[cb];B[da]))
(;W[ba];B[db]
(;W[da];B[ca];W[cb];B[da])
(;W[ca];B[da])
(;W[cb];B[da])
(;W[fa];B[da]))
(;W[ca];B[db]
(;W[ba];B[da])
(;W[da];B[ba]C[Ko :(]))
(;W[da];B[ca]
(;W[cb];B[db];W[ba];B[da])
(;W[db];B[ba]))
(;W[cb]C[Uuuuh ... still dead, black can kill with tenuki :(])))