(;GM[1]FF[4]SZ[19]
GN[Defend potential point, prevent ko capture]
PC[http://senseis.xmp.net/?MiaiValuesList/000To099]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?MiaiValuesList/000To099

Defend potential point, prevent ko capture]
PL[W]

AB[ha][hb][hc]
AW[ia][ka][jb][kb][ic][jc]

;W[ib]C[W1]MN[1]

;
)
