(;GM[1]FF[4]SZ[19]
GN[A very small endgame mistake]
PC[http://senseis.xmp.net/?StupidMoves]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?StupidMoves

A very small endgame mistake]
PL[B]

AB[ba][cb][cc][dc][dd][de]
AW[ca][da][bb][db][eb][ec][ed]
LB[aa:a]

;B[bc]C[B1]MN[1]
;W[ab]C[W2]MN[2]
;B[ac]C[B3]MN[3]

;LB[aa:a]
)
