(;GM[1]FF[4]SZ[19]
GN[Not just in handicap games]
PC[http://senseis.xmp.net/?DoubleExtensions]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DoubleExtensions

Not just in handicap games]
PL[W]

AB[dd][pd]
LB[hc:b][lc:b]

;W[fc]C[W1]MN[1]
;B[df]C[B2]MN[2]
;W[nc]C[W3]MN[3]
;B[pf]C[B4]MN[4]
;W[jd]C[W5]MN[5]

;LB[hc:b][lc:b]
)
