(;GM[1]FF[4]SZ[19]
GN[The ko variation, black backs off B1 and tries to kill]
PC[https://senseis.xmp.net/?posting=12360]AP[GoWiki:2009]
DT[2024-01-10]
C[Diagram from https://senseis.xmp.net/?posting=12360

The ko variation, black backs off B1 and tries to kill]
PL[B]

AB[da][eb][dc][dd][be][ce]
AW[ca][bb][db][cc][cd]
CR[ee]

;B[ea]C[B1]MN[1]
;W[cb]C[W2]MN[2]
;B[bd]C[B3]MN[3]
;W[ec]C[W4]MN[4]

;CR[ee]
)
