B. Chariot and Horse Class, Game 19

B. Chariot and Horse Class, Game 19楚河 漢界仕帥卒車相卒傌相將象俥士士

"B. Chariot and Horse Class, Game 19" is a Xiangqi (Chinese Chess) puzzle from the collection Chariot & Horse mates. Red moves first and wins in 14 moves; the key first move is H5+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, a Advisor, 2 Elephants, a Chariot, a Horse. Black has a General, 2 Advisors, a Elephant, a Chariot, 2 Soldiers.

Solution move by move

  1. 1. 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.
    1. Black K4-1
    1楚河 漢界仕帥卒車相卒相傌象俥將士士
    1. Black K4-1
  2. 2. Red R2=5 (captures the Elephant, threatens mate next move)
    Why it works
    • Wins material: takes the Elephant.
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 17 replies, so compare each one before playing it.
    2. Black A4+5
    2楚河 漢界仕帥卒車相卒相傌俥將士士
    2. Black A4+5
  3. 3. Red R5=9
    Why it works–
    What to watch out for
    • Not forcing: the defender has 19 replies, so compare each one before playing it.
    3. Black A5+4
    3楚河 漢界仕帥卒車相卒相傌俥士將士
    3. Black A5+4
  4. 4. Red R9+1 (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.
    4. Black K4-1
    4楚河 漢界仕帥卒車相卒相傌士俥將士
    4. Black K4-1
  5. 5. Red R9+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
    5楚河 漢界仕帥卒車相卒相傌士將俥士
    5. Black K4+1
  6. 6. Red H7+5 (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.
    6. Black K4=5
    6楚河 漢界仕帥卒車相卒相傌士將俥士
    6. Black K4=5
  7. 7. Red H5+3 (check)
    7. Black K5+1
    7楚河 漢界仕帥卒車相卒相士將傌俥士
    7. Black K5+1
  8. 8. Red H3+4 (captures the Advisor, check)
    Why it works
    • Wins material: takes the Advisor.
    What to watch out forNo real drawback in this position.
    8. Black K5=6
    8楚河 漢界仕帥卒車相卒相士將俥傌
    8. Black K5=6
  9. 9. Red H4-2 (check)
    9. Black K6=5
    9楚河 漢界仕帥卒車相卒相士將傌俥
    9. Black K6=5
  10. 10. Red R9=5 (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.
    10. Black A4-5
    10楚河 漢界仕帥卒車相卒相將士傌俥
    10. Black A4-5
  11. 11. Red H2-3 (check)
    11. Black K5=4
    11楚河 漢界仕帥卒車相卒相傌將士俥
    11. Black K5=4
  12. 12. Red R5-1 (captures the Advisor, threatens mate next move)
    Why it works
    • Wins material: takes the Advisor.
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 15 replies, so compare each one before playing it.
    12. Black R7=5 (check)
    12楚河 漢界仕帥卒車相卒相傌將俥
    12. Black R7=5
  13. 13. Red A6+5 (captures the Chariot, threatens mate next move)
    Why it works
    • Wins material: takes the Chariot.
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 6 replies, so compare each one before playing it.
    13. Black P6+1
    13楚河 漢界帥卒仕卒相相傌將俥
    13. Black P6+1
  14. 14. Red H3-5 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    14楚河 漢界帥卒仕卒相相傌將俥
    14. Red H3-5

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 漢界帥卒仕卒相相傌將俥

Red wins after 14 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "B. Chariot and Horse Class, Game 19"?

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

How many moves does the solution take?

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

What is the key move?

The first move H5+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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