
With two rooks, you can deliver checkmate quickly without needing your king's help. The technique involves using the rooks to create a 'ladder' that pushes the enemy king to the edge.
Use the rooks in tandem to cut off ranks
Alternate between rooks to push the king up the board
Your king doesn't need to participate
This is the fastest forced checkmate
Moving rooks next to each other unnecessarily
Taking too many moves when faster mates exist