(;GM[1]FF[4]SZ[19]
GN[White takes the key point]
PC[https://senseis.xmp.net/?Bulge]AP[GoWiki:2009]
DT[2023-03-14]
C[Diagram from https://senseis.xmp.net/?Bulge

White takes the key point]
PL[W]

AB[cc][dc][fc]
AW[cd][dd]

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

;
)
