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ChessPlayX
Rules
Hidden chess · 2 PLAYERS

Hidden chess

Every reveal opens a possibility. Thirty covered pieces, two visible generals. Read the board and make your own luck.

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Game mode
Time per player

10 minutes per player, no increment.

Play while signed in to earn points and join the leaderboard.

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A quick guide to Hidden chess

Read the Hidden chess rules

What is Hidden chess?

Cờ úp is Vietnamese hidden Xiangqi on a 9×10 board. The two generals are visible and 30 pieces start covered. A covered piece first moves as its starting-square role, then reveals its identity. This is different from Banqi on a half board.

How can I play with a friend?

Share one device for a local game, or choose the friend option above to create an online room and send its invitation. Online games need an internet connection. Local games are saved in this browser.

Play Hidden chess on one device

Which rules apply here?

Vietnamese hidden chess · ChessPlayX conventions. Read the setup, legal moves, special rules and end conditions before starting. The guide describes the variant used on ChessPlayX, including differences from other versions where relevant.

Read the Hidden chess rules

Can I play against the computer?

Choose computer mode to practice at your own pace. Start with a lower difficulty while learning the moves, then increase it when you can spot threats and plan your replies.