Chariot Hidden Behind the Horse

"Chariot Hidden Behind the Horse" is a Xiangqi (Chinese Chess) puzzle from the collection Chariot & Horse mates. Red moves first and wins in 15 moves; the key first move is H4+6. 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. Red H4+6 (check)
1. Black K5=4
1. Black K5=4
2. Red H6-8 (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.
2. Black K4=5
2. Black K4=5
3. Red R6=4
Why it works–
What to watch out for
Not forcing: the defender has 21 replies, so compare each one before playing it.
3. Black R5=4
3. Black R5=4
4. Red H8+9
Why it works–
What to watch out for
Not forcing: the defender has 21 replies, so compare each one before playing it.
4. Black P7+1
4. Black P7+1
5. Red R4+3 (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 K5+1
5. Black K5+1
6. Red H9-7 (check)
6. Black R4-6
6. Black R4-6
7. Red R4-2
Why it works–
What to watch out for
Not forcing: the defender has 9 replies, so compare each one before playing it.
7. Black R4=3 (captures the Horse, threatens mate next move)
7. Black R4=3
8. Red R4=7 (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.
8. Black P3=4
8. Black P3=4
9. Red R7-5
Why it works–
What to watch out for
Not forcing: the defender has 9 replies, so compare each one before playing it.
9. Black P7+1
9. Black P7+1
10. Red R7=5 (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.
10. Black K5=4
10. Black K5=4
11. Red K4=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 8 replies, so compare each one before playing it.
11. Black P4+1 (check, threatens mate next move)
11. Black P4+1
12. Red K5+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 7 replies, so compare each one before playing it.
12. Black P7=6 (check, the only legal reply)
12. Black P7=6
13. Red K5=4 (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.
13. Black P4=3
13. Black P4=3
14. Red K4=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 4 replies, so compare each one before playing it.
14. Black P3=2
14. Black P3=2
15. Red R5=6 (checkmate)
Why it works
Ends the game: no legal reply remains.
What to watch out forNo real drawback in this position.
15. Red R5=6

Variations and alternative defences

The source manual records 5 variations. Each branch starts from the move number shown.

Variation 1, from move 4: K5+1 5. H9+7+ K5=4 6. H7-8+ K4=5 7. R4=5# Try it on the board
Variation 2, from move 3: K5=4 4. H8-6 K4+1 5. H6+7 K4+1 6. R4=6+ K4=5 7. R6+2 Try it on the board
Variation 3, from move 4: R5=4 5. H6+7+ K4+1 6. H7+8+ Try it on the board
Variation 4, from move 3: K5+1 4. H8+9 K5=4 5. H9-7 Try it on the board
Variation 5, from move 1: K5+1 2. R6=4 K5=4 3. H6+8 K4=5 4. H8+6 K5=4 5. R4=6+ K4=5 6. H6-7+ K5+1 7. R6+2 Try it on the board

Final position

Red wins after 15 moves. The General has no legal move.

Questions about this puzzle

Who moves first in "Chariot Hidden Behind the Horse"?

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

How many moves does the solution take?

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

What is the key move?

The first move H4+6 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.

← Previous puzzle: Before the Saddle, Behind the Horse Next puzzle: A Light Chariot on a Well-Known Road →

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