About
Cờ Vũ Môn
A carp that leaps the Dragon Gate turns into a dragon. Here you climb a ladder of 7 characters, from Little Na, who has just learned the moves, to Chess Carp — the engine at full strength. Every win takes you through another gate.
What makes Cờ Vũ Môn different
- A strong engine right on your device. No waiting for a server, no slowdown when it's busy; recent phones are strong enough to calculate deep.
- A coach reviews every move. After the game, the coach shows the bad moves, what to play instead and why — written the way players talk to each other.
- Pay only for what you play. No monthly or yearly plans. The first three characters are free; paid games cost 100₫, and wallet money never expires.
- Real people and jieqi. Online pairing by Elo, invite a friend with a room code, or play jieqi — hidden pieces turn over as they move.
The engine
The engine is an open-source xiangqi engine released under the GPL-3.0 licence. Source code of the exact running build is at /engine/SOURCE.txt; how we use it is described in the policy.