(;GM[1]FF[4]SZ[19]
GN[Ko threat]
PC[http://senseis.xmp.net/?TwoLiberties]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TwoLiberties

Ko threat]
PL[B]

AB[ad][cd][gd][be][ge][gf]
AW[bb][ac][cc][bd][fd][hd][fe][he][ff][hf]

;B[bc]C[B1]MN[1]
;W[gc]C[W2]MN[2]

;
)
