(;GM[1]FF[4]SZ[7]
GN[W removes legal plays for B]
PC[http://senseis.xmp.net/?DoubleGo/Discussion]AP[GoWiki:2009]
DT[2011-02-26]
C[Diagram from http://senseis.xmp.net/?DoubleGo/Discussion

W removes legal plays for B]
PL[B]

AB[ca][da][ea][ab][cb][eb][ac][cc][dc][ec][cd][ed][ce][de][ee][cf][ef][cg][dg][eg]
AW[ba][fa][ga][bb][fb][gb][bc][fc][ad][bd][fd][gd][be][fe][ge][af][bf][ff][bg][fg]
CR[ab][gb][ac][gd]


;CR[ab][gb][ac][gd]
)
