No. 153: Dying Against the Enemy Is Loyalty

No. 153: Dying Against the Enemy Is Loyalty楚河 漢界卒帥卒馬砲傌車炮俥仕士兵傌將士

"No. 153: Dying Against the Enemy Is Loyalty" is a Xiangqi (Chinese Chess) puzzle from the collection Elegant Pastimes (Shiqing Yaqu, 1570). Red moves first and wins in 6 moves; the key first move is R5+7. 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, 2 Horses, a Cannon, a Soldier. Black has a General, 2 Advisors, a Chariot, a Horse, a Cannon, 2 Soldiers.

Solution move by move

  1. 1. Red R5+7 (check, sacrifices the Chariot, threatens mate next move)
    Why it works
    • 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.
    1. Black K4=5 (captures the Chariot, threatens mate next move)
    1楚河 漢界卒帥卒馬砲傌車炮仕士兵傌將士
    1. Black K4=5
  2. 2. Red H9-7 (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.
    • Creates an immediate mating threat that must be answered.
    What to watch out forNo real drawback in this position.
    2. Black K5=4 (threatens mate next move)
    2楚河 漢界卒帥卒馬砲傌車炮仕士傌兵將士
    2. Black K5=4
  3. 3. Red C9=6 (check, the only legal reply, the General has no escape square)
    Why it works
    • Forcing: the opponent has only one reply, so the line cannot be avoided.
    • Takes away the General's escape squares.
    What to watch out forNo real drawback in this position.
    3. Black A4-5 (threatens mate next move)
    3楚河 漢界卒帥卒馬砲傌車炮仕傌士兵將士
    3. Black A4-5
  4. 4. Red H5+6 (check, threatens mate next move, the only legal reply, the General has no escape square)
    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.
    • Takes away the General's escape squares.
    What to watch out forNo real drawback in this position.
    4. Black A5+4 (threatens mate next move)
    4楚河 漢界卒帥卒馬砲車炮仕傌士傌兵將士
    4. Black A5+4
  5. 5. Red H6+7 (check, threatens mate next move, the only legal reply, the General has no escape square)
    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.
    • Takes away the General's escape squares.
    What to watch out forNo real drawback in this position.
    5. Black A4-5 (threatens mate next move)
    5楚河 漢界卒帥卒馬砲車炮仕傌傌士兵將士
    5. Black A4-5
  6. 6. Red -H+6 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    6楚河 漢界卒帥卒馬砲車炮仕傌傌士兵將士
    6. Red -H+6

Variations and alternative defences

What if Black defends differently? The alternatives below were checked with the rules engine; lines marked with a mating move lose at once, the others are worth trying on the analysis board.

Final position

Final position楚河 漢界卒帥卒馬砲車炮仕傌傌士兵將士

Red wins after 6 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "No. 153: Dying Against the Enemy Is Loyalty"?

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

How many moves does the solution take?

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

What is the key move?

The first move R5+7 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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