(;GM[1]FF[4]SZ[19]
GN[ko 2 - Black captures first]
PC[http://senseis.xmp.net/?JGroup]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?JGroup

ko 2 - Black captures first]
PL[W]

AB[cb][cc][cd][ae][be]
AW[db][fb][dc][dd][ce][bf][cf]

;W[ac]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[bb]C[W3]MN[3]
;B[bc]C[B4]MN[4]
;W[aa]C[W5]MN[5]
;B[ad]C[B6]MN[6]
;W[af]C[W7]MN[7]

;
)
