(;GM[1]FF[4]SZ[19]
GN[1 makes the corner a ko]
PC[http://senseis.xmp.net/?Sacrifice]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Sacrifice

1 makes the corner a ko]
PL[W]

AB[cl][cn][co][dp][cq][dq][br][cr][dr][ds]
AW[do][eo][bp][cp][ep][hp][bq][eq][er][cs][es]

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

;
)
