(;GM[1]FF[4]SZ[19]
GN[Black to play and kill]
PC[http://senseis.xmp.net/?BQM1]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM1

Black to play and kill]
PL[B]

AB[aa][ab][bb][eb][ec][ed][be][de][ee][bf]
AW[ca][cb][ac][dc][bd][cd][dd]


;
)
