(;GM[1]FF[4]SZ[19]
GN[Better for Black to play at ''a''?]
PC[http://senseis.xmp.net/?BQM90]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM90

Better for Black to play at ''a''?]
PL[B]

AB[ab][bb][bc][cc][cd][dd][ae][be][ce]
AW[ba][da][cb][eb][ac][dc][ad][ed][de][ee][bf][cf][df][bg][bh]
SQ[ac][ad]
LB[bd:a]


;SQ[ac][ad]
LB[bd:a]
)
