In this position, you need to play only one ko threat, but please make sure it's the right one.....
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[7]KM[0.50]TM[]
AW[gb][bc][cc][dc][fc][bd][ed][ce][de][fe][cf][ff][fg]AB[bb][cb][db][eb][fb][ac][ad][ae][be][bf][df][ef][bg][cg]C[White to play and draw!]PL[W]
(;W[fa]CR[fa]
;B[ea]CR[ea]
;W[gc]CR[gc]
;B[ga]CR[ga]
(;W[ee]CR[ee]
(;B[dg]CR[dg]
;W[fa]CR[fa]
;B[ec]CR[ec]
;W[ga]CR[ga]C[White was able to draw the game RIGHT])
(;B[fa]CR[fa]
;W[dg]CR[dg]C[White wins by 3 ponts...!]))
(;W[dg]CR[dg]
;B[eg]CR[eg]
;W[fa]CR[fa]
;B[ec]CR[ec]
;W[ga]CR[ga]C[White has won the ko, but black wins the game - by 1 point! With his ko threat at d1 white gave black an extra prisoner....])
(;W[eg]CR[eg]
;B[dg]CR[dg]
;W[fa]CR[fa]
;B[ee]CR[ee]
(;W[ec]CR[ec]
;B[ga]CR[ga]C[Black will connect the ko and wins by 1point - the white ko threat at e1 made the black threat at e4 possible. ])
(;W[ga]CR[ga]
;B[dd]CR[dd]
;W[cd]CR[cd]
;B[ec]CR[ec]C[White must answer the black ko threat!])))
(;W[ga]CR[ga]
;B[fa]CR[fa]
;W[gc]CR[gc]C[Black wins by 1 point])
(;W[ee]CR[ee]C[With this, white plays a ko threat before the ko even started!])
(;W[dg]CR[dg]C[With this, white plays a ko threat before the ko even started!
There is one more at e3, so it seems still to be okay, but he also loses a point by sacrificing on a dame point - black will win by 1 point!]))