1...c4 (a) 2.Re4 # (A)

1...d4 + (b) 2.Q:d4 # (B)

1.Qa2 ? threat: 2.Qe2 #

1...c4 (a) 2.Re4 # (A)

1...d4 + (b) 2.B:d4 # (C)

but

1...Bf4 ! (c)

1.Qg4 ! threat: 2.Qe2 #

1...c4 (a) 2.Qe4 # (D)

1...d4 + (b) 2.Q:d4 # (B)

1...Bf4 (c) 2.Q:f4 #

Bartolovic (aAbB-aAbC-aDbB), 

anti-Bristol