(;GM[1]FF[4]SZ[19]
GN[Black occupies the angle point which causes white's shape here to be weak.]
PC[http://senseis.xmp.net/?WhatILearnedAtJaniceKimsWorkshop]AP[GoWiki:2009]
DT[2012-06-25]
C[Diagram from http://senseis.xmp.net/?WhatILearnedAtJaniceKimsWorkshop

Black occupies the angle point which causes white's shape here to be weak.]
PL[B]

AB[dd]
AW[ce][df]

;B[cd]C[B1]MN[1]

;
)
