Two Chariots Cross Tracks

Two Chariots Cross Tracks楚河 漢界帥相俥車車馬兵象馬砲象俥兵士兵將炮

"Two Chariots Cross Tracks" is a Xiangqi (Chinese Chess) puzzle from the collection Xinwu Endgame Collection. Red moves first and wins in 10 moves; the key first move is R2+9. 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 Elephant, 2 Chariots, a Cannon, 3 Soldiers. Black has a General, a Advisor, 2 Elephants, 2 Chariots, 2 Horses, a Cannon.

Solution move by move

  1. 1. Red R2+9 (check, 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 forNo real drawback in this position.
    1. Black E5-7 (threatens mate next move)
    1楚河 漢界帥相車車馬兵象馬砲俥兵士兵將象俥炮
    1. Black E5-7
  2. 2. Red R2=3 (captures the Elephant, 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.
    • Wins material: takes the Elephant.
    • 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 A5-6 (threatens mate next move)
    2楚河 漢界帥相車車馬兵象馬砲俥兵兵將士俥炮
    2. Black A5-6
  3. 3. Red R1=6 (captures the Cannon, check, sacrifices the Chariot, threatens mate next move)
    Why it works
    • Wins material: takes the Cannon.
    • Creates an immediate mating threat that must be answered.
    What to watch out for
    • Gives up the Chariot; the follow-up must be exact or the sacrifice is wasted.
    3. Black -H-4 (captures the Chariot, threatens mate next move)
    3楚河 漢界帥相車車馬兵象馬兵兵將士俥炮
    3. Black -H-4
  4. 4. Red R3=4 (captures the Advisor, 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.
    • Wins material: takes the Advisor.
    • Takes away the General's escape squares.
    What to watch out forNo real drawback in this position.
    4. Black R5-8 (check, the only legal reply, the General has no escape square)
    4楚河 漢界帥相車馬兵象馬兵兵將車俥炮
    4. Black R5-8
  5. 5. Red R4-8 (captures the Horse, check, the General has no escape square)
    Why it works
    • Wins material: takes the Horse.
    • Takes away the General's escape squares.
    What to watch out for
    • Not forcing: the defender has 10 replies, so compare each one before playing it.
    5. Black R5+9 (check, threatens mate next move, the only legal reply)
    5楚河 漢界帥車相車俥兵象馬兵兵將炮
    5. Black R5+9
  6. 6. Red K6=5 (captures the Chariot)
    Why it works
    • Wins material: takes the Chariot.
    What to watch out for
    • Not forcing: the defender has 23 replies, so compare each one before playing it.
    6. Black R2=6 (captures the Chariot)
    6楚河 漢界帥相車兵象馬兵兵將炮
    6. Black R2=6
  7. 7. 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.
    7. Black R6=9
    7楚河 漢界帥相車兵象馬兵兵將炮
    7. Black R6=9
  8. 8. Red C1=2 (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 20 replies, so compare each one before playing it.
    8. Black R9-8
    8楚河 漢界帥相兵象馬兵兵將炮車
    8. Black R9-8
  9. 9. Red P3+1 (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.
    9. Black R9=8 (captures the Cannon)
    9楚河 漢界帥相兵象馬兵將兵車
    9. Black R9=8
  10. 10. Red P3=2 (captures the Chariot)
    Why it works
    • Wins material: takes the Chariot.
    What to watch out forNo real drawback in this position.
    10楚河 漢界帥相兵象馬兵將兵
    10. Red P3=2

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 漢界帥相兵象馬兵將兵

The record ends here.

Questions about this puzzle

Who moves first in "Two Chariots Cross Tracks"?

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

How many moves does the solution take?

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

What is the key move?

The first move R2+9 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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