(;GM[1]FF[4]SZ[19]
GN[White threatens to start a ko that would save all his stones and break into black's territory]
PC[http://senseis.xmp.net/?Oiotoshi/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Oiotoshi/Discussion

White threatens to start a ko that would save all his stones and break into black's territory]
PL[W]

AB[eb][hb][jb][ec][fc][gc][hc][ic]
AW[ea][fa][ha][db][fb][gb][ib][dc][cd][dd][be]

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

;
)
