(;GM[1]FF[4]SZ[19]
GN[E1 - Worst case]
PC[http://senseis.xmp.net/?WuRenGo2/White]AP[GoWiki:2009]
DT[2010-04-06]
C[Diagram from http://senseis.xmp.net/?WuRenGo2/White

E1 - Worst case]
PL[W]

AB[dp][ep][bq][cq][eq][er][ds][es][fs]
AW[co][bp][cp][dq][br][cr][dr][cs]
CR[fr]
SQ[ap][aq][ar][as][bs]


;CR[fr]
SQ[ap][aq][ar][as][bs]
)
