Challenge: Song Mã Đao Toái: The Breakthrough Strategy in the 'Double Red Horses' Formation - Can you solve it?

Discover the 'Song Mã Đao Toái' formation - a breakthrough strategy where two Red Horses face each other at file 5, rank 5, creating a strong offensive opportunity for the Red side. This analysis will show how to maximize this formation to gain an advantage in the game.