(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[7]KM[0.50]TM[]
AW[ec][ad][cd][ed][ae][ce][de][ee][fe][ge][bf][ag]AB[ea][eb][gb][bc][cc][dc][fc][bd][dd][fd][gd][be][cf]TR[ad]C[No prisoners, but a 3 point komi for white - Black to play and win!]
(;B[df]CR[df]
;W[ef]CR[ef]
(;B[cg]CR[cg]
;W[eg]CR[eg]
;B[ac]CR[ac]
;W[dg]CR[dg]
;B[af]CR[af]
;W[ae]CR[ae]
;B[ad]CR[ad]
;W[bg]CR[bg]
;B[af]CR[af]
;W[fb]CR[fb]
;B[fa]CR[fa]
;W[ae]CR[ae]
(;B[cf]CR[cf]
;W[cg]CR[cg]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]
(;B[fg]CR[fg]
(;W[gf]CR[gf]
;B[af]CR[af]C[Black connects the ko and wins by one point! RIGHT])
(;W[af]CR[af]
;B[gf]CR[gf]C[This is a seki, so white can't ignore Bf1!]))
(;B[gf]CR[gf]
(;W[fg]CR[fg]
;B[af]CR[af]C[Black connects the ko and wins by one point! RIGHT])
(;W[af]CR[af]
;B[fg]CR[fg]C[This is a seki, so white can't ignore Bg2!])))
(;B[fg]CR[fg]
;W[cf]CR[cf]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!])
(;B[gf]CR[gf]
;W[cf]CR[cf]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!])
(;B[cg]CR[cg]
;W[cf]CR[cf]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!]))
(;B[ac]CR[ac]
;W[cg]CR[cg]
;B[af]CR[af]
;W[ae]CR[ae]
;B[ad]CR[ad]
;W[dg]CR[dg]
;B[af]CR[af]
;W[fb]CR[fb]
;B[fa]CR[fa]
;W[ae]CR[ae]
;B[cf]CR[cf]
(;W[bg]CR[bg]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]
(;B[fg]CR[fg]
;W[ff]CR[ff]
;B[af]CR[af]C[Black connects the ko and wins by one point! RIGHT])
(;B[eg]CR[eg]
;W[fg]CR[fg]
;B[af]CR[af]C[Black connects the ko and wins by one point! RIGHT]))
(;W[df]CR[df]
;B[af]CR[af]
;W[db]CR[db]
;B[bg]CR[bg]C[In this position, d6 is no ko threat!])))
(;B[cg]CR[cg]
;W[df]CR[df]
;B[ac]CR[ac]
;W[dg]CR[dg]
;B[af]CR[af]
;W[ae]CR[ae]
;B[ad]CR[ad]
;W[bg]CR[bg]
;B[af]CR[af]
;W[fb]CR[fb]
;B[fa]CR[fa]
;W[ae]CR[ae]
(;B[cf]CR[cf]
;W[cg]CR[cg]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!])
(;B[cg]CR[cg]
;W[cf]CR[cf]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!]))
(;B[ac]CR[ac]
;W[df]CR[df]
(;B[af]CR[af]
;W[ae]CR[ae]
(;B[ad]CR[ad]
;W[cg]CR[cg]
;B[af]CR[af]
;W[fb]CR[fb]
;B[fa]CR[fa]
;W[ae]CR[ae]C[White connects the ko - jigo!])
(;B[cg]CR[cg]
;W[dg]CR[dg]
;B[ad]CR[ad]
;W[bg]CR[bg]
;B[af]CR[af]
;W[fb]CR[fb]
;B[fa]CR[fa]
;W[ae]CR[ae]
;B[cf]CR[cf]
;W[cg]CR[cg]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!]))
(;B[cg]CR[cg]
;W[dg]CR[dg]
;B[af]CR[af]
;W[ae]CR[ae]
;B[ad]CR[ad]
;W[bg]CR[bg]
;B[af]CR[af]
;W[fb]CR[fb]
;B[fa]CR[fa]
;W[ae]CR[ae]
(;B[cf]CR[cf]
;W[cg]CR[cg]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!])
(;B[cg]CR[cg]
;W[cf]CR[cf]
;B[af]CR[af]
;W[db]CR[db]
;B[cb]CR[cb]
;W[ae]CR[ae]C[White connects the ko - jigo!]))))