(;GM[1]FF[4]SZ[19]
GN[White undermines]
PC[http://senseis.xmp.net/?44PointLowApproachHighExtension]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?44PointLowApproachHighExtension

White undermines]
PL[W]

AB[dd][df]
AW[fc]
CR[df]
LB[id:b][eh:c][ck:a]

;W[ch]C[W1]MN[1]
;B[eg]C[B2]MN[2]

;CR[df]
LB[id:b][eh:c][ck:a]
)
