Feint East, Strike West

Feint East, Strike West楚河 漢界卒帥卒將傌俥車

"Feint East, Strike West" is a Xiangqi (Chinese Chess) puzzle from the collection Chariot & Horse mates. Red moves first and wins in 19 moves; the key first move is H9-8. 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. Black has a General, a Chariot, 2 Soldiers.

Solution move by move

  1. 1. Red H9-8 (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 K4=5
    1楚河 漢界卒帥卒傌將俥車
    1. Black K4=5
  2. 2. Red H8-6 (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.
    2. Black K5=4
    2楚河 漢界卒帥卒傌將俥車
    2. Black K5=4
  3. 3. Red R4-2
    Why it works–
    What to watch out for
    • Not forcing: the defender has 24 replies, so compare each one before playing it.
    3. Black K4-1
    3楚河 漢界卒帥卒傌俥將車
    3. Black K4-1
  4. 4. Red H6+7 (threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 24 replies, so compare each one before playing it.
    4. Black K4+1
    4楚河 漢界卒帥卒俥傌將車
    4. Black K4+1
  5. 5. Red H7+6 (threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 21 replies, so compare each one before playing it.
    • The Horse stands where it can be captured.
    5. Black K4-1
    5楚河 漢界卒帥卒俥將傌車
    5. Black K4-1
  6. 6. Red H6-8 (threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 24 replies, so compare each one before playing it.
    6. Black K4=5
    6楚河 漢界卒帥卒俥傌將車
    6. Black K4=5
  7. 7. Red R4+2 (check)
    7. Black K5-1
    7楚河 漢界卒帥卒傌俥將車
    7. Black K5-1
  8. 8. Red H8-6 (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.
    8. Black K5=4
    8楚河 漢界卒帥卒傌俥將車
    8. Black K5=4
  9. 9. Red R4=5 (threatens mate next move)
    Why it works
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Not forcing: the defender has 19 replies, so compare each one before playing it.
    9. Black R9=6 (check, threatens mate next move, the General has no escape square)
    9楚河 漢界卒帥卒傌俥將車
    9. Black R9=6
  10. 10. Red H6+4
    Why it works–
    What to watch out for
    • Not forcing: the defender has 11 replies, so compare each one before playing it.
    • The Horse stands where it can be captured.
    10. Black R6=7
    10楚河 漢界卒帥卒俥傌將車
    10. Black R6=7
  11. 11. Red R5=8 (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.
    11. Black K4=5
    11楚河 漢界卒帥卒俥傌將車
    11. Black K4=5
  12. 12. Red R8+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.
    12. Black K5+1
    12楚河 漢界卒帥卒將傌俥車
    12. Black K5+1
  13. 13. Red R8=3 (captures the Chariot)
    Why it works
    • Wins material: takes the Chariot.
    What to watch out for
    • Not forcing: the defender has 8 replies, so compare each one before playing it.
    13. Black P8+1
    13楚河 漢界卒帥卒將傌俥
    13. Black P8+1
  14. 14. Red H4-5
    Why it works–
    What to watch out for
    • Not forcing: the defender has 7 replies, so compare each one before playing it.
    14. Black P4=5 (check)
    14楚河 漢界卒帥卒傌將俥
    14. Black P4=5
  15. 15. Red K4=5 (captures the Soldier)
    Why it works
    • Wins material: takes the Soldier.
    What to watch out for
    • Not forcing: the defender has 4 replies, so compare each one before playing it.
    15. Black P8+1
    15楚河 漢界帥卒傌將俥
    15. Black P8+1
  16. 16. Red R3-7
    Why it works–
    What to watch out for
    • Not forcing: the defender has 5 replies, so compare each one before playing it.
    16. Black P8=7
    16楚河 漢界帥卒俥傌將
    16. Black P8=7
  17. 17. Red R3-1 (captures the Soldier)
    Why it works
    • Wins material: takes the Soldier.
    What to watch out forNo real drawback in this position.
    17. Black K5-1
    17楚河 漢界帥俥傌將
    17. Black K5-1
  18. 18. Red R3+7
    18. Black K5=4
    18楚河 漢界帥傌俥將
    18. Black K5=4
  19. 19. Red H5-6 (checkmate)
    Why it works
    • Ends the game: no legal reply remains.
    What to watch out forNo real drawback in this position.
    19楚河 漢界帥傌俥將
    19. Red H5-6

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 漢界帥傌俥將

Red wins after 19 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "Feint East, Strike West"?

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

How many moves does the solution take?

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

What is the key move?

The first move H9-8 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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