Regular rule
Capture order:
帥，將 > 士， 仕 > 相， 象 > 車，俥 > 傌，馬 > 包，炮 > 兵，卒。
same order chess can capture each other.
but:
1. 兵，卒>將，帥。
2. 包，炮 can capture all others enemy but the must a chess(flipped or not flip) between, and no distance limit
3. 包，炮 cannot can capture enemy that beside.

Move:
1. move a chess to beside block
2. or capture a chess beside block
3. or flip a piece

Win: capture all enemy's piece
Draw: 60 steps moves(no capture and no flip)

Feature:
1. Single Play.
2. Double Play with one Android.
3. very good AI.
4. 2 level AI Only.
5. 60 moves check for draw game.
6. Bluetooth double play.
7. game result recording.
8. Bluetooth autosearch double play.
9. Forbidden Move
10. Undo Move
11. Draw game request
12. Exit game state check

Focus on Good AI and better play when long journey.

Premium version
https://play.google.com/store/apps/details?id=com.coda.tuxedocatdarkchess