No. 161: Avoid Harm, Preserve Oneself

No. 161: Avoid Harm, Preserve Oneself楚河 漢界砲車仕帥車卒象炮兵俥士象傌炮將

"No. 161: Avoid Harm, Preserve Oneself" is a Xiangqi (Chinese Chess) puzzle from the collection Elegant Pastimes (Shiqing Yaqu, 1570). Red moves first and wins in 4 moves; the key first move is C9=6. 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 Advisor, a Chariot, a Horse, 2 Cannons, a Soldier. Black has a General, a Advisor, 2 Elephants, 2 Chariots, a Cannon, a Soldier.

Solution move by move

  1. 1. Red C9=6 (check, threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out forNo real drawback in this position.
    1. Black A4-5
    1楚河 漢界砲車仕帥車卒象炮兵俥象傌炮將士
    1. Black A4-5
  2. 2. Red R9=6 (check, sacrifices the Chariot, threatens mate next move, the only legal reply)
    Why it works
    • Forcing: the opponent has only one reply, so the line cannot be avoided.
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Gives up the Chariot; the follow-up must be exact or the sacrifice is wasted.
    2. Black K4+1 (captures the Chariot)
    2楚河 漢界砲車仕帥車卒象炮兵將象傌炮士
    2. Black K4+1
  3. 3. Red P5+1 (captures the Elephant, check, threatens mate next move, the only legal reply)
    Why it works
    • Forcing: the opponent has only one reply, so the line cannot be avoided.
    • Wins material: takes the Elephant.
    • Creates an immediate mating threat that must be answered.
    What to watch out forNo real drawback in this position.
    3. Black K4-1
    3楚河 漢界砲車仕帥車卒象炮兵傌炮將士
    3. Black K4-1
  4. 4. Red P5=6 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    4楚河 漢界砲車仕帥車卒象炮兵傌炮將士
    4. Red P5=6

Variations and alternative defences

The source manual records 1 variation. Each branch starts from the move number shown.

Final position

Final position楚河 漢界砲車仕帥車卒象炮兵傌炮將士

Red wins after 4 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "No. 161: Avoid Harm, Preserve Oneself"?

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

How many moves does the solution take?

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

What is the key move?

The first move C9=6 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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