(;GM[1]FF[4]SZ[19]
GN[Wasted ko threats]
PC[http://senseis.xmp.net/?OldManAndAPawn]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OldManAndAPawn

Wasted ko threats]
PL[B]

AB[ab][db][dc][dd][ce][af][cf][ag][bg][cg]
AW[bb][cb][ac][cc][ad][cd][be][bf]

;B[bd]C[B1]MN[1]
;W[aa]C[W2]MN[2]
;B[ae]C[B3]MN[3]
;W[ca]C[W4]MN[4]

;
)
