Seven Stars Celebrate Together

Seven Stars Celebrate Together楚河 漢界帥俥俥卒卒卒卒炮兵象兵兵車將

"Seven Stars Celebrate Together" is a Xiangqi (Chinese Chess) puzzle from the collection Xinwu Endgame Collection. Red moves first and wins in 27 moves; the key first move is C2=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 Chariots, a Cannon, 3 Soldiers. Black has a General, a Elephant, a Chariot, 4 Soldiers.

Solution move by move

  1. 1. Red C2=4 (check, sacrifices the Cannon, 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 for
    • Gives up the Cannon; the follow-up must be exact or the sacrifice is wasted.
    1. Black P5=6 (captures the Cannon)
    1楚河 漢界帥俥俥卒卒卒卒兵象兵兵車將
    1. Black P5=6
  2. 2. Red P4+1 (check, sacrifices the Soldier, 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 Soldier; the follow-up must be exact or the sacrifice is wasted.
    2. Black K6+1 (captures the Soldier)
    2楚河 漢界帥俥俥卒卒卒卒兵象兵將車
    2. Black K6+1
  3. 3. Red R3+8 (check)
    3. Black K6-1
    3楚河 漢界帥俥卒卒卒卒兵象兵俥車將
    3. Black K6-1
  4. 4. Red R2+1
    Why it works–
    What to watch out for
    • Not forcing: the defender has 19 replies, so compare each one before playing it.
    4. Black +P=5 (check, threatens mate next move)
    4楚河 漢界帥卒卒俥卒卒兵象兵俥車將
    4. Black +P=5
  5. 5. Red R2=5 (captures the Soldier, sacrifices the Chariot)
    Why it works
    • Wins material: takes the Soldier.
    What to watch out for
    • Gives up the Chariot; the follow-up must be exact or the sacrifice is wasted.
    • Not forcing: the defender has 17 replies, so compare each one before playing it.
    5. Black P4=5 (captures the Chariot, check)
    5楚河 漢界帥卒卒卒兵象兵俥車將
    5. Black P4=5
  6. 6. Red K5+1 (captures the Soldier)
    Why it works
    • Wins material: takes the Soldier.
    What to watch out for
    • Not forcing: the defender has 14 replies, so compare each one before playing it.
    6. Black P6+1 (check)
    6楚河 漢界帥卒卒兵象兵俥車將
    6. Black P6+1
  7. 7. Red K5+1
    Why it works–
    What to watch out for
    • Not forcing: the defender has 14 replies, so compare each one before playing it.
    7. Black R5=3 (threatens mate next move)
    7楚河 漢界卒卒帥兵象兵俥車將
    7. Black R5=3
  8. 8. Red P6=7
    Why it works–
    What to watch out for
    • Not forcing: the defender has 15 replies, so compare each one before playing it.
    • The Soldier stands where it can be captured.
    8. Black R3=5
    8楚河 漢界卒卒帥兵象兵俥車將
    8. Black R3=5
  9. 9. Red P7=6
    Why it works–
    What to watch out for
    • Not forcing: the defender has 14 replies, so compare each one before playing it.
    9. Black R5=3 (threatens mate next move)
    9楚河 漢界卒卒帥兵象兵俥車將
    9. Black R5=3
  10. 10. Red P6=7
    Why it works–
    What to watch out for
    • Not forcing: the defender has 15 replies, so compare each one before playing it.
    • The Soldier stands where it can be captured.
    10. Black R3=1
    10楚河 漢界卒卒帥兵象兵俥車將
    10. Black R3=1
  11. 11. Red R3-2
    Why it works–
    What to watch out for
    • Not forcing: the defender has 25 replies, so compare each one before playing it.
    11. Black R1+7 (threatens mate next move)
    11楚河 漢界卒車卒帥兵俥象兵將
    11. Black R1+7
  12. 12. Red R3=4 (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 K6=5 (threatens mate next move)
    12楚河 漢界卒車卒帥兵俥象兵將
    12. Black K6=5
  13. 13. Red R4-5 (captures the Soldier)
    Why it works
    • Wins material: takes the Soldier.
    What to watch out for
    • Not forcing: the defender has 13 replies, so compare each one before playing it.
    13. Black R1+2
    13楚河 漢界車俥卒帥兵象兵將
    13. Black R1+2
  14. 14. Red R4=6
    Why it works–
    What to watch out for
    • Not forcing: the defender has 22 replies, so compare each one before playing it.
    14. Black R1=5 (check)
    14楚河 漢界車俥卒帥兵象兵將
    14. Black R1=5
  15. 15. Red K5=4
    Why it works–
    What to watch out for
    • Not forcing: the defender has 22 replies, so compare each one before playing it.
    15. Black R5=6 (check)
    15楚河 漢界車俥卒帥兵象兵將
    15. Black R5=6
  16. 16. Red K4=5
    Why it works–
    What to watch out for
    • Not forcing: the defender has 22 replies, so compare each one before playing it.
    16. Black K5=6
    16楚河 漢界車俥卒帥兵象兵將
    16. Black K5=6
  17. 17. Red R6+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.
    17. Black K6+1
    17楚河 漢界車卒帥兵象兵將俥
    17. Black K6+1
  18. 18. Red K5-1
    Why it works–
    What to watch out for
    • Not forcing: the defender has 23 replies, so compare each one before playing it.
    18. Black R6-1 (check)
    18楚河 漢界帥車卒兵象兵將俥
    18. Black R6-1
  19. 19. Red K5-1
    Why it works–
    What to watch out for
    • Not forcing: the defender has 23 replies, so compare each one before playing it.
    19. Black R6-1
    19楚河 漢界帥卒車兵象兵將俥
    19. Black R6-1
  20. 20. Red R6-1 (check)
    20. Black K6+1
    20楚河 漢界帥卒車兵象將兵俥
    20. Black K6+1
  21. 21. Red R6=5
    Why it works–
    What to watch out for
    • Not forcing: the defender has 19 replies, so compare each one before playing it.
    21. Black R6=5 (check, the only legal reply)
    21楚河 漢界帥卒車兵象將兵俥
    21. Black R6=5
  22. 22. Red K5=6
    Why it works–
    What to watch out for
    • Not forcing: the defender has 19 replies, so compare each one before playing it.
    22. Black P2=3
    22楚河 漢界帥卒車兵象將兵俥
    22. Black P2=3
  23. 23. Red P7=6
    Why it works–
    What to watch out for
    • Not forcing: the defender has 17 replies, so compare each one before playing it.
    23. Black P3+1
    23楚河 漢界帥卒車兵象將兵俥
    23. Black P3+1
  24. 24. Red R5+1 (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.
    24. Black R5=4 (check, the only legal reply)
    24楚河 漢界帥卒車兵象將兵俥
    24. Black R5=4
  25. 25. Red K6=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 23 replies, so compare each one before playing it.
    25. Black R4-6 (captures the Soldier)
    25楚河 漢界帥卒兵象將車俥
    25. Black R4-6
  26. 26. Red R5=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.
    26. Black R4=6
    26楚河 漢界帥卒兵象將車俥
    26. Black R4=6
  27. 27. Red R4-1 (captures the Chariot, 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.
    • Wins material: takes the Chariot.
    • Creates an immediate mating threat that must be answered.
    What to watch out forNo real drawback in this position.
    27. Black K6-1 (captures the Chariot)
    27楚河 漢界帥卒兵象將
    27. Black K6-1

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 漢界帥卒兵象將

The record ends here.

Questions about this puzzle

Who moves first in "Seven Stars Celebrate Together"?

Red moves first, as in every puzzle of Xinwu Endgame Collection.

How many moves does the solution take?

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

What is the key move?

The first move C2=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.

Nearby puzzles

More from Xinwu Endgame Collection →

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