No. 152: Fishing in Midstream

No. 152: Fishing in Midstream楚河 漢界俥帥馬馬車卒傌炮俥兵士將士象車

"No. 152: Fishing in Midstream" 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 +R=5. Below you will find the full solution, what each move achieves, where it could go wrong, and the alternative defences.

Solve this puzzle on ChessZing →

Free, in the browser, no download.

Pieces on the board

Red has a General, 2 Chariots, a Horse, a Cannon, a Soldier. Black has a General, 2 Advisors, a Elephant, 2 Chariots, 2 Horses, a Soldier.

Solution move by move

  1. 1. Red +R=5 (check, sacrifices the Chariot, threatens mate next move, the General has no escape square)
    Why it works
    • 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.
    1. Black A4+5 (captures the Chariot, threatens mate next move)
    1楚河 漢界俥帥馬馬車卒傌炮士兵將士象車
    1. Black A4+5
  2. 2. Red R8+9 (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.
    2. Black A5-4 (threatens mate next move)
    2楚河 漢界帥馬馬車卒傌炮兵俥士將士象車
    2. Black A5-4
  3. 3. Red P4=5 (check, sacrifices the Soldier)
    Why it works–
    What to watch out for
    • Gives up the Soldier; the follow-up must be exact or the sacrifice is wasted.
    3. Black K5+1 (captures the Soldier, threatens mate next move)
    3楚河 漢界帥馬馬車卒傌炮將俥士士象車
    3. Black K5+1
  4. 4. Red H5+4 (check)
    Why it works–
    What to watch out for
    • Not forcing: the defender has 4 replies, so compare each one before playing it.
    4. Black K5-1 (threatens mate next move)
    4楚河 漢界帥馬馬車卒炮傌俥士將士象車
    4. Black K5-1
  5. 5. Red C7+4 (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.
    5. Black A4+5 (threatens mate next move)
    5楚河 漢界帥馬馬車卒傌士俥炮將士象車
    5. Black A4+5
  6. 6. Red C7-2 (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.
    6. Black A5-4 (threatens mate next move)
    6楚河 漢界帥馬馬車卒傌炮俥士將士象車
    6. Black A5-4
  7. 7. Red H4+6 (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 K5+1 (threatens mate next move)
    7楚河 漢界帥馬馬車卒炮傌將俥士士象車
    7. Black K5+1
  8. 8. Red R8-1 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    8楚河 漢界帥馬馬車卒炮傌俥將士士象車
    8. Red R8-1

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 漢界帥馬馬車卒炮傌俥將士士象車

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

Questions about this puzzle

Who moves first in "No. 152: Fishing in Midstream"?

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 +R=5 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.

Nearby puzzles

More from Elegant Pastimes (Shiqing Yaqu, 1570) →

Languages: English · Tiếng Việt · 简体中文 · 繁體中文