(;GM[1]FF[4]SZ[19]
GN[Defending both against both hane's simultaneously - ''a'' isn't sente anymore]
PC[http://senseis.xmp.net/?EndgameTesuji10]AP[GoWiki:2009]
DT[2010-08-12]
C[Diagram from http://senseis.xmp.net/?EndgameTesuji10

Defending both against both hane's simultaneously - ''a'' isn't sente anymore]
PL[W]

AB[fa][ga][gb][gc][gd][be][ce][de][ee][fe][bg]
AW[ea][fb][fc][bd][cd][dd][ed][fd]
LB[ad:a]

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

;LB[ad:a]
)
