(;GM[1]FF[4]SZ[19]
GN[Large knight's extension]
PC[http://senseis.xmp.net/?LargeKnightsExtension]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LargeKnightsExtension

Large knight's extension]
PL[B]

AB[hd]

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

;
)
