No. 54: Five Tigers Backed by the Mountain

No. 54: Five Tigers Backed by the Mountain楚河 漢界帥卒車炮俥傌象砲象士將士兵炮車

"No. 54: Five Tigers Backed by the Mountain" is a Xiangqi (Chinese Chess) puzzle from the collection Elegant Pastimes (Shiqing Yaqu, 1570). Red moves first and wins in 10 moves; the key first move is R8=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 Chariot, a Horse, 2 Cannons, a Soldier. Black has a General, 2 Advisors, 2 Elephants, 2 Chariots, a Cannon, a Soldier.

Solution move by move

  1. 1. Red R8=6 (check, the General has no escape square)
    Why it works
    • Takes away the General's escape squares.
    What to watch out forNo real drawback in this position.
    1. Black C3=4 (threatens mate next move)
    1楚河 漢界帥卒車炮俥傌象砲象士將士兵炮車
    1. Black C3=4
  2. 2. Red R6+1 (captures the Cannon, check, sacrifices the Chariot, 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.
    • Wins material: takes the Cannon.
    • Creates an immediate mating threat that must be answered.
    • Takes away the General's escape squares.
    What to watch out for
    • Gives up the Chariot; the follow-up must be exact or the sacrifice is wasted.
    2. Black A5+4 (captures the Chariot, threatens mate next move)
    2楚河 漢界帥卒車炮傌象士象士將兵炮車
    2. Black A5+4
  3. 3. Red -C=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 漢界帥卒車炮傌象象士將士兵炮車
    3. Black A4-5
  4. 4. Red H4-6 (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.
    4. Black A5+4 (threatens mate next move)
    4楚河 漢界帥卒車炮傌象士象士將兵炮車
    4. Black A5+4
  5. 5. Red H6-8 (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 漢界帥卒車傌炮象象士將士兵炮車
    5. Black A4-5
  6. 6. Red H8+7 (check)
    6. Black K4-1 (threatens mate next move)
    6楚河 漢界帥卒車炮傌象象士士兵炮將車
    6. Black K4-1
  7. 7. Red H7+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.
    7. Black K4=5 (threatens mate next move)
    7楚河 漢界帥卒車炮象象士傌士兵炮將車
    7. Black K4=5
  8. 8. Red C6+5 (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.
    8. Black E5-3 (threatens mate next move)
    8楚河 漢界帥卒車象士傌士兵炮象炮將車
    8. Black E5-3
  9. 9. Red H8-6 (check, sacrifices the Horse, 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 Horse; the follow-up must be exact or the sacrifice is wasted.
    9. Black A5+4 (captures the Horse, threatens mate next move)
    9楚河 漢界帥卒車象士士兵炮象炮將車
    9. Black A5+4
  10. 10. Red C6-1 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    10楚河 漢界帥卒車象士士炮兵炮象將車
    10. Red C6-1

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 漢界帥卒車象士士炮兵炮象將車

Red wins after 10 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "No. 54: Five Tigers Backed by the Mountain"?

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

How many moves does the solution take?

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

What is the key move?

The first move R8=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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