(;GM[1]FF[4]SZ[7]
GN[Simple descent]
PC[http://senseis.xmp.net/?BQM442]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM442

Simple descent]
PL[B]

AB[ea][fb][ec][fc][dd][ce][de][bf]
AW[cb][db][eb][bc][dc][bd][cd][be][af]

;B[bg]C[B1]MN[1]
;W[da]C[W2]MN[2]
;B[fa]C[B3]MN[3]
;W[ae]C[W4]MN[4]

;
)
