When the Red Rook on file 6 rank 10 faces the Black General on file 6 rank 10, the two Black Rooks on file 5 ranks 9-8 form a 'Double Rook Formation', waiting for a counterattack opportunity. The Red Rooks on file 8 rank 2 and file 7 rank 1 coordinate their efforts, but must be wary of Black's 'Rook Retreat' tactic.