No. 19: Withdrawn from the World, Unseen

No. 19: Withdrawn from the World, Unseen楚河 漢界帥砲卒仕卒馬仕相砲車相炮傌兵炮兵馬士將士

"No. 19: Withdrawn from the World, Unseen" is a Xiangqi (Chinese Chess) puzzle from the collection Elegant Pastimes (Shiqing Yaqu, 1570). Red moves first and wins in 7 moves; the key first move is H9+8. 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, 2 Advisors, 2 Elephants, a Horse, 2 Cannons, 2 Soldiers. Black has a General, 2 Advisors, a Chariot, 2 Horses, 2 Cannons, 2 Soldiers.

Solution move by move

  1. 1. Red H9+8 (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 K4+1 (threatens mate next move)
    1楚河 漢界帥砲卒仕卒馬仕相砲車相炮兵炮兵馬傌將士士
    1. Black K4+1
  2. 2. Red C9+4 (check, sacrifices the Cannon, 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 for
    • Gives up the Cannon; the follow-up must be exact or the sacrifice is wasted.
    2. Black H3-1 (captures the Cannon, threatens mate next move)
    2楚河 漢界帥砲卒仕卒馬仕相砲車相兵炮兵馬傌將士士
    2. Black H3-1
  3. 3. Red H8-6 (check, sacrifices the Horse, the only legal reply)
    Why it works
    • Forcing: the opponent has only one reply, so the line cannot be avoided.
    What to watch out for
    • Gives up the Horse; the follow-up must be exact or the sacrifice is wasted.
    3. Black K4+1 (captures the Horse, threatens mate next move)
    3楚河 漢界帥砲卒仕卒馬仕相砲車相兵炮兵將馬士士
    3. Black K4+1
  4. 4. Red C6-5 (captures the Soldier, 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 Soldier.
    • Creates an immediate mating threat that must be answered.
    What to watch out forNo real drawback in this position.
    4. Black K4=5 (threatens mate next move)
    4楚河 漢界帥砲炮仕卒馬仕相砲車相兵兵將馬士士
    4. Black K4=5
  5. 5. Red P4=5 (check, the only legal reply)
    Why it works
    • Forcing: the opponent has only one reply, so the line cannot be avoided.
    What to watch out forNo real drawback in this position.
    5. Black K5=6 (threatens mate next move)
    5楚河 漢界帥砲炮仕卒馬仕相砲車相兵兵將馬士士
    5. Black K5=6
  6. 6. Red C6=4 (captures the Soldier, check, threatens mate next move, the General has no escape square)
    Why it works
    • Wins material: takes the Soldier.
    • 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.
    6. Black C6=4 (captures the Advisor)
    6楚河 漢界帥砲仕炮馬砲相車相兵兵將馬士士
    6. Black C6=4
  7. 7. Red A5+4 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    7楚河 漢界帥砲炮馬砲相仕車相兵兵將馬士士
    7. Red A5+4

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 漢界帥砲炮馬砲相仕車相兵兵將馬士士

Red wins after 7 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "No. 19: Withdrawn from the World, Unseen"?

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

How many moves does the solution take?

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

What is the key move?

The first move H9+8 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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