(;GM[1]FF[4]SZ[19]
GN[Key point]
PC[http://senseis.xmp.net/?TsumegoFromGames131/Solution]AP[GoWiki:2009]
DT[2009-07-01]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames131/Solution

Key point]
PL[W]

AB[ha][ab][bb][cb][hb][cc][ec][hc][dd][ed][hd][ee][he][ff][gf][hf]
AW[ea][ga][eb][gb][ac][bc][fc][gc][bd][cd][gd][ce][de][fe][ge][df][ef]

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

;
)
