(;GM[1]FF[4]SZ[19]
GN[Third attack: key move]
PC[https://senseis.xmp.net/?TripodGroup]AP[GoWiki:2009]
DT[2020-08-20]
C[Diagram from https://senseis.xmp.net/?TripodGroup

Third attack: key move]
PL[W]

AB[bb][cb][cc][bd]
AW[ac][dc][ec][gc][cd][ce][cg]

;W[be]C[W1]MN[1]
;B[ad]C[B2]MN[2]
;W[ab]C[W3]MN[3]
;B[aa]C[B4]MN[4]

;
)
