The Pieces
Soldiers (Tốt) move one step forward, then sideways too after crossing the river. How they gain value, where they belong, and how to use them in the endgame.
Middlegame
A soldier across the river changes the middlegame. When to advance one, how to support it, how crossed soldiers attack the palace, and how to stop the opponent'
Xiangqi Rules
Exactly how each xiangqi piece moves and captures: general, advisor, elephant, horse, chariot, cannon and soldier, plus the blocking rules that trip up beginner