No. 189: Shut the Gate and Sweep the Tracks

No. 189: Shut the Gate and Sweep the Tracks楚河 漢界帥炮卒卒炮卒傌象車傌士俥士將

"No. 189: Shut the Gate and Sweep the Tracks" is a Xiangqi (Chinese Chess) puzzle from the collection Elegant Pastimes (Shiqing Yaqu, 1570). Red moves first and wins in 3 moves; the key first move is C8=4. Below you will find the full solution, what each move achieves, where it could go wrong, and the alternative defences.

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Pieces on the board

Red has a General, a Chariot, 2 Horses, 2 Cannons. Black has a General, 2 Advisors, a Elephant, a Chariot, 3 Soldiers.

Solution move by move

  1. 1. Red C8=4 (check, sacrifices the Cannon, threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Gives up the Cannon; the follow-up must be exact or the sacrifice is wasted.
    • Not forcing: the defender has 4 replies, so compare each one before playing it.
    1. Black P7=6 (captures the Cannon)
    1楚河 漢界帥炮卒卒卒傌象車傌士俥士將
    1. Black P7=6
  2. 2. Red C1=4 (threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 17 replies, so compare each one before playing it.
    2. Black P6+1 (threatens mate next move)
    2楚河 漢界帥炮卒卒卒傌象車傌士俥士將
    2. Black P6+1
  3. 3. Red R3=5 (captures the Advisor, checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    • Wins material: takes the Advisor.
    What to watch out forNo real drawback in this position.
    3楚河 漢界帥炮卒卒卒傌象車傌俥士將
    3. Red R3=5

Variations and alternative defences

The source manual records 2 variations. Each branch starts from the move number shown.

Final position

Final position楚河 漢界帥炮卒卒卒傌象車傌俥士將

Red wins after 3 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "No. 189: Shut the Gate and Sweep the Tracks"?

Red moves first, as in every puzzle of Elegant Pastimes (Shiqing Yaqu, 1570).

How many moves does the solution take?

3 moves. The main line is shown above; alternative defences are covered in the variations section.

What is the key move?

The first move C8=4 starts the combination. Everything that follows depends on it.

Can I play this position myself?

Yes. Open it on ChessZing, where the board checks your moves and shows the solution if you get stuck.

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