No. 113: Might Awes the Four Seas

No. 113: Might Awes the Four Seas楚河 漢界砲馬仕帥車仕卒炮炮馬兵象卒傌士俥士兵象將

"No. 113: Might Awes the Four Seas" is a Xiangqi (Chinese Chess) puzzle from the collection Elegant Pastimes (Shiqing Yaqu, 1570). Red moves first and wins in 8 moves; the key first move is P3=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, 2 Advisors, a Chariot, a Horse, 2 Cannons, 2 Soldiers. Black has a General, 2 Advisors, 2 Elephants, a Chariot, 2 Horses, a Cannon, 2 Soldiers.

Solution move by move

  1. 1. Red P3=4 (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.
    1. Black K6=5 (threatens mate next move)
    1楚河 漢界砲馬仕帥車仕卒炮炮馬兵象卒傌士俥士兵象將
    1. Black K6=5
  2. 2. Red C5+4 (captures the Soldier, check)
    Why it works
    • Wins material: takes the Soldier.
    What to watch out for
    • Not forcing: the defender has 6 replies, so compare each one before playing it.
    2. Black E7-5 (threatens mate next move)
    2楚河 漢界砲馬仕帥車仕卒炮馬兵炮傌士象俥士兵象將
    2. Black E7-5
  3. 3. Red P4=5 (captures the Advisor, check, sacrifices the Soldier)
    Why it works
    • Wins material: takes the Advisor.
    What to watch out forNo real drawback in this position.
    3. Black A4-5 (captures the Soldier, threatens mate next move)
    3楚河 漢界砲馬仕帥車仕卒炮馬兵炮傌象俥士象將
    3. Black A4-5
  4. 4. Red R8=5 (captures the Advisor, check)
    Why it works
    • Wins material: takes the Advisor.
    What to watch out forNo real drawback in this position.
    4. Black K5=4 (threatens mate next move)
    4楚河 漢界砲馬仕帥車仕卒炮馬兵炮傌象俥象將
    4. Black K5=4
  5. 5. Red R5+1 (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.
    5. Black K4+1 (threatens mate next move)
    5楚河 漢界砲馬仕帥車仕卒炮馬兵炮傌象將象俥
    5. Black K4+1
  6. 6. Red R5=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.
    6. Black K4-1 (captures the Chariot, threatens mate next move)
    6楚河 漢界砲馬仕帥車仕卒炮馬兵炮傌象象將
    6. Black K4-1
  7. 7. Red H3+4 (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.
    7. Black K4+1 (threatens mate next move)
    7楚河 漢界砲馬仕帥車仕卒炮馬兵炮象將傌象
    7. Black K4+1
  8. 8. Red C3+6 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    8楚河 漢界砲馬仕帥車仕卒馬兵炮象將傌炮象
    8. Red C3+6

Variations and alternative defences

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

Final position

Final position楚河 漢界砲馬仕帥車仕卒馬兵炮象將傌炮象

Red wins after 8 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "No. 113: Might Awes the Four Seas"?

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

How many moves does the solution take?

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

What is the key move?

The first move P3=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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