(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[white]PB[black]AW[eb][bc][cc][ec][dd]AB[fb][hb][fc][bd][cd][fd][de][ee][cf]C[Cho Chikun Life & Death [Advanced\] - 409]
(;B[bb]
;W[ab]
(;B[ba]
;W[ea]
(;B[cb]
;W[ca]
(;B[ed]
;W[db]
;B[da]C[CORRECT])
(;B[da]
;W[db]
;B[ed]
;W[ca]C[Disadvantageous Ko]))
(;B[ed]
;W[ca]
;B[cb]
;W[db]
;B[da]C[CORRECT]))
(;B[cb]
;W[ba]
;B[ca]C[One Step Approach-Move Ko]))
(;B[ba]
;W[da]
(;B[ac]
;W[ab]
(;B[fa]
;W[cb]
(;B[ea]
;W[ed]
(;B[db]
;W[dc]
;B[ca]C[CORRECT])
(;B[ca]
;W[db]))
(;B[ca]
;W[ed]
(;B[db]
;W[dc]
;B[ea]C[CORRECT])
(;B[ea]
;W[db])))
(;B[bb]
;W[cb]
;B[ad]
;W[ca])
(;B[cb]
;W[bb]
;B[ca]
;W[dc]))
(;B[fa]
;W[ac]
(;B[bb]
;W[cb]
(;B[ea]
;W[ed]
(;B[db]
;W[dc]
;B[ca]C[CORRECT])
(;B[ca]
;W[db]))
(;B[dc]
;W[ed])
(;B[ca]
;W[ab]))
(;B[ed]
;W[bb]
(;B[ea]
;W[db]
;B[dc]
;W[aa]
;B[ab]
;W[dd]C[Double Ko])
(;B[dc]
;W[db]
;B[ea]
;W[aa]
;B[ab]
;W[dd]C[Double Ko])))
(;B[cb]
;W[bb]
;B[ac]
;W[ab]
;B[ca]
;W[dc]C[Seki]))
(;B[ea]
;W[da]
(;B[ac]
;W[ab]
(;B[bb]
;W[ba]
(;B[aa]C[CORRECT])
(;B[cb]
;W[ad]))
(;B[ba]
;W[fa]
(;B[ga]
;W[ed]
(;B[db]
;W[cb]
;B[ea]
;W[dc]
;B[ca]
;W[fa]C[Stage Ko and Disadvantageous Ko])
(;B[bb]
;W[cb]
;B[ad]
;W[ca])
(;B[cb]
;W[bb])
(;B[ea]
;W[db]))
(;B[cb]
;W[bb]
;B[ca]
;W[dc]C[Seki])))
(;B[bb]
;W[cb]
;B[ac]
;W[ab]
;B[aa]
;W[ba]
;B[ca]C[CORRECT])
(;B[ba]
;W[fa]
;B[ga]
;W[ed]
(;B[db]
;W[cb]
(;B[ca]
;W[dc]C[Stage Ko])
(;B[ea]
;W[dc]
;B[ca]
;W[fa]C[Stage Ko and Disadvantageous Ko]))
(;B[ac]
;W[ab]
(;B[db]
;W[cb]
(;B[ca]
;W[dc]C[Stage Ko])
(;B[ea]
;W[dc]
;B[ca]
;W[fa]C[Stage Ko and Disadvantageous Ko]))
(;B[cb]
;W[bb]))
(;B[cb]
;W[bb])
(;B[ea]
;W[db])))
(;B[db]
;W[da]
(;B[ca]
;W[ea]
(;B[bb]
;W[ab]
;B[cb]
;W[ba]
;B[aa]
;W[ac])
(;B[cb]
;W[bb]))
(;B[cb]
;W[bb]))
(;B[ca]
;W[cb]
(;B[ba]
;W[ea]
(;B[ed]
;W[dc]
(;B[ab]
;W[ac]
(;B[da]C[Disadvantageous Ko])
(;B[fa]
;W[da]C[Seki])
(;B[ad]
;W[da]C[Seki]))
(;B[da]
;W[ab]C[Seki]))
(;B[ab]
;W[ac]
;B[ed]
;W[bb]))
(;B[ea]
;W[ba]
;B[da]
;W[ab]))
(;B[ac]
;W[ab]
(;B[bb]
;W[ad]
;B[ba]
;W[ea]
;B[cb]
;W[ca]
(;B[ed]
;W[db]
;B[da]C[CORRECT])
(;B[da]
;W[db]
;B[ed]
;W[ca]C[Disadvantageous Ko]))
(;B[ba]
;W[db]
(;B[cb]
;W[ed]
(;B[da]
;W[bb]
(;B[fa]
;W[ca]C[Disadvantageous Ko])
(;B[ea]
;W[ca]C[Disadvantageous Ko]))
(;B[bb]
;W[ad]
(;B[da]
;W[ea]
;B[fa]
;W[ca]C[Disadvantageous Ko])
(;B[ae]
;W[ac]
;B[da]
;W[ea]
;B[fa]
;W[ca]C[Disadvantageous Ko])))
(;B[ea]
;W[ca]
;B[bb]
;W[ed]
;B[ad]
;W[cb])
(;B[bb]
;W[ca]
;B[ad]
;W[cb]))))
