(;GM[1]FF[4]SZ[19]
GN[Black plays first in the 4 point position]
PC[http://senseis.xmp.net/?BasicEndgameTheory]AP[GoWiki:2009]
DT[2017-04-11]
C[Diagram from http://senseis.xmp.net/?BasicEndgameTheory

Black plays first in the 4 point position]
PL[B]

AB[ba][db][cc][ec][cd]
AW[ab][bb][cb][bc][bd]
CR[ea]
SQ[ba]

;B[ca]C[B1]MN[1]

;CR[ea]
SQ[ba]
)
