Cannon and Soldier Class, Game 5

Pieces on the board

Red has a General, a Cannon, a Soldier. Black has a General, 2 Advisors, a Cannon.

Solution move by move

1. 1. Red C5=7

   Why it works–

   What to watch out for

   • Not forcing: the defender has 19 replies, so compare each one before playing it.

   1. Black A4+5

2. 2. Red K6=5

   Why it works–

   What to watch out for

   • Not forcing: the defender has 17 replies, so compare each one before playing it.

   2. Black C7-1

3. 3. Red C7=4

   Why it works–

   What to watch out for

   • Not forcing: the defender has 11 replies, so compare each one before playing it.

   3. Black C7-6

4. 4. Red C4=3

   Why it works–

   What to watch out for

   • Not forcing: the defender has 10 replies, so compare each one before playing it.

   4. Black C7+5

5. 5. 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.

   5. Black C7-1

6. 6. Red C3+1

   Why it works–

   What to watch out for

   • Not forcing: the defender has 13 replies, so compare each one before playing it.

   6. Black C7-1

7. 7. Red C3+1

   Why it works–

   What to watch out for

   • Not forcing: the defender has 12 replies, so compare each one before playing it.

   7. Black C7-1

8. 8. Red C3+1

   Why it works–

   What to watch out for

   • Not forcing: the defender has 11 replies, so compare each one before playing it.

   8. Black C7-1

9. 9. Red C3+1

   Why it works–

   What to watch out for

   • Not forcing: the defender has 10 replies, so compare each one before playing it.

   9. Black C7-1

10. 10. Red C3+1

    Why it works–

    What to watch out for

    • Not forcing: the defender has 5 replies, so compare each one before playing it.

    10. Black C7-1

11. 11. Red C3+1

    11. Black C7=8

12. 12. Red C3+1 (checkmate)

    Why it works

    • Ends the game: no legal reply remains.

    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 A4+5
  • If Black plays C7=8 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=9 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=6 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=5 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=3 instead: no immediate mate; the attack continues. Try it on the board
• 2. Black C7-1
  • If Black plays C7=8 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=9 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=6 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=5 instead: Red mates immediately with K5+1. Try it on the board
  • If Black plays C7=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=3 instead: no immediate mate; the attack continues. Try it on the board
• 3. Black C7-6
  • If Black plays C7=8 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7=9 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7-1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7-2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7-3 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7-4 instead: no immediate mate; the attack continues. Try it on the board
• 4. Black C7+5
  • If Black plays C7=8 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7-1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C7+1 instead: no immediate mate; the attack continues. Try it on the board
• 5. Black C7-1
  • If Black plays C7=8 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=5 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+7. Try it on the board
  • If Black plays C7=3 instead: Red mates immediately with C3+7. Try it on the board
• 6. Black C7-1
  • If Black plays C7=8 instead: Red mates immediately with C3+6. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+6. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+6. Try it on the board
  • If Black plays C7=5 instead: Red mates immediately with C3+6. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+6. Try it on the board
  • If Black plays C7=3 instead: Red mates immediately with C3+6. Try it on the board
• 7. Black C7-1
  • If Black plays C7=8 instead: Red mates immediately with C3+5. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+5. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+5. Try it on the board
  • If Black plays C7=5 instead: Red mates immediately with C3+5. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+5. Try it on the board
  • If Black plays C7=3 instead: Red mates immediately with C3+5. Try it on the board
• 8. Black C7-1
  • If Black plays C7=8 instead: Red mates immediately with C3+4. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+4. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+4. Try it on the board
  • If Black plays C7=5 instead: Red mates immediately with C3+4. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+4. Try it on the board
  • If Black plays C7=3 instead: Red mates immediately with C3+4. Try it on the board
• 9. Black C7-1
  • If Black plays C7=8 instead: Red mates immediately with C3+3. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+3. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+3. Try it on the board
  • If Black plays C7=5 instead: Red mates immediately with C3+3. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+3. Try it on the board
  • If Black plays C7=3 instead: Red mates immediately with C3+3. Try it on the board
• 10. Black C7-1
  • If Black plays C7=8 instead: Red mates immediately with C3+2. Try it on the board
  • If Black plays C7=9 instead: Red mates immediately with C3+2. Try it on the board
  • If Black plays C7=6 instead: Red mates immediately with C3+2. Try it on the board
  • If Black plays C7=4 instead: Red mates immediately with C3+2. Try it on the board
• 11. Black C7=8
  • If Black plays C7=9 instead: Red mates immediately with C3+1. Try it on the board

Final position

Nearby puzzles

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• Cannon and Soldier Class, Game 7
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