Chariot and Cannon Class: Supplementary Game 4

Pieces on the board

Red has a General, 2 Elephants, a Chariot, a Cannon. Black has a General, 2 Advisors, a Elephant, a Chariot, a Soldier.

Solution move by move

1. 1. Red C5+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 15 replies, so compare each one before playing it.
   • The Cannon stands where it can be captured.

   1. Black K5=4

2. 2. Red C5=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 15 replies, so compare each one before playing it.

   2. Black R9-4

3. 3. Red R7=6 (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.
   • 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.

   3. Black R9=4

4. 4. Red R6+1 (captures the Chariot, checkmate)

   Why it works

   • Ends the game: no legal reply remains.
   • Wins material: takes the Chariot.

   What to watch out forNo real drawback in this position.

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.

• 1. Black K5=4
  • If Black plays P7+1 instead: Red mates immediately with R7+5. Try it on the board
  • If Black plays P7=8 instead: Red mates immediately with R7+5. Try it on the board
  • If Black plays P7=6 instead: Red mates immediately with R7+5. Try it on the board
  • If Black plays R9=8 instead: Red mates immediately with R7+5. Try it on the board
  • If Black plays R9-1 instead: Red mates immediately with R7+5. Try it on the board
  • If Black plays R9-2 instead: Red mates immediately with R7+5. Try it on the board
• 2. Black R9-4
  • If Black plays P7+1 instead: Red mates immediately with R7=6. Try it on the board
  • If Black plays P7=8 instead: Red mates immediately with R7=6. Try it on the board
  • If Black plays P7=6 instead: Red mates immediately with R7=6. Try it on the board
  • If Black plays R9=8 instead: Red mates immediately with R7=6. Try it on the board
  • If Black plays R9-1 instead: Red mates immediately with R7=6. Try it on the board
  • If Black plays R9-2 instead: Red mates immediately with R7=6. Try it on the board

Final position

Nearby puzzles

• Chariot and Cannon Class, Game 04
  4 moves
• Chariot and Cannon Class, Game 05
  9 moves
• Chariot and Cannon Class: Supplementary Game 3
  3 moves
• Chariot and Cannon Class: Supplementary Game 1
  2 moves
• Chariot and Cannon Class: Supplementary Game 2
  3 moves
• Chariot and Cannon Class, Game 06A
  4 moves

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