Two Horses Class, Game 2

Two Horses Class, Game 2楚河 漢界帥卒卒傌傌象馬將士士象

"Two Horses Class, Game 2" is a Xiangqi (Chinese Chess) puzzle from the collection Lone Horse mates. Red moves first and wins in 7 moves; the key first move is -H+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, 2 Horses. Black has a General, 2 Advisors, 2 Elephants, a Horse, 2 Soldiers.

Solution move by move

  1. 1. Red -H+7 (check)
    1. Black K4-1 (threatens mate next move)
    1楚河 漢界帥卒卒傌傌象馬士將士象
    1. Black K4-1
  2. 2. Red H7+8 (check)
    2. Black K4=5
    2楚河 漢界帥卒卒傌象馬傌士將士象
    2. Black K4=5
  3. 3. Red H9+7 (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.
    3. Black K5=4 (threatens mate next move)
    3楚河 漢界帥卒卒象馬傌傌士將士象
    3. Black K5=4
  4. 4. Red H7-5 (captures the Elephant, check)
    Why it works
    • Wins material: takes the Elephant.
    What to watch out forNo real drawback in this position.
    4. Black K4=5
    4楚河 漢界帥卒卒傌馬傌士將士象
    4. Black K4=5
  5. 5. Red H5+7 (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=4 (threatens mate next move)
    5楚河 漢界帥卒卒馬傌傌士將士象
    5. Black K5=4
  6. 6. Red H7-6 (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.
    6. Black K4+1
    6楚河 漢界帥卒卒傌馬傌將士士象
    6. Black K4+1
  7. 7. Red H6+8 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    7楚河 漢界帥卒卒傌馬傌將士士象
    7. Red H6+8

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 漢界帥卒卒傌馬傌將士士象

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

Questions about this puzzle

Who moves first in "Two Horses Class, Game 2"?

Red moves first, as in every puzzle of Lone Horse mates.

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 -H+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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