(;GM[1]FF[4]SZ[19]
GN[sacrificial ko threat]
PC[http://senseis.xmp.net/?posting=7767]AP[GoWiki:2009]
DT[2010-06-16]
C[Diagram from http://senseis.xmp.net/?posting=7767

sacrificial ko threat]
PL[W]

AB[ca][cb][ac][bc][cc][bd][ae][be]
AW[ba][da][ab][db][dc][cd][ce][af][bf][df]

;W[bb]C[W1]MN[1]

;
)
