(;GM[1]FF[4]SZ[19]
GN[White to move (best move)]
PC[http://senseis.xmp.net/?RTGProblem86/Solution]AP[GoWiki:2009]
DT[2011-07-10]
C[Diagram from http://senseis.xmp.net/?RTGProblem86/Solution

White to move (best move)]
PL[W]

AB[ba][ca][ga][gb][fc][hc][ad][bd][cd][dd][ed][fd]
AW[da][ea][fb][ac][bc][cc][dc][ec]

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

;
)
