#15 Same Direction Cannon Double Headed Snake Pawn Formation vs Double Ranked Chariot - Red A4+5 or A6+5 variation.
Outcome: Advantage to Black
1. C2=5 C8=5 2. H2+3 H8+7 3. R1=2 R9+1 4. A4+5 …………
Red A4+5 was common in old days.
For this variation, what is the best move for Black?