← Turtle Back Cannon (Gui Bei Pao)
Turtle Back Cannon (Gui Bei Pao) vs Horse Development
An unusual, defensive cannon system where the left cannon retreats to form a "turtle shell" — solid but slow, favoured by patient players.
Horse Development: Black's Reply
Red follows with 马二进三 for a balanced knight.
Strategic Context
Turtle Back Cannon builds a compact, hard-to-break position. It avoids early tactics and rewards endgame skill.