Discovered Attack Tactics

Pieces on the board

Red has a General, 2 Advisors, a Elephant, a Chariot, 2 Cannons, 3 Soldiers. Black has a General, 2 Advisors, 2 Elephants, a Chariot, 2 Cannons, a Soldier.

Solution move by move

1. 1. Red C4=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 27 replies, so compare each one before playing it.
   • The Cannon stands where it can be captured.

   1. Black E7+5

2. 2. Red C2-1

   Why it works–

   What to watch out for

   • Not forcing: the defender has 36 replies, so compare each one before playing it.
   • The Cannon stands where it can be captured.

   2. Black R5=3

3. 3. Red C2=6 (captures the Cannon)

   Why it works

   • Wins material: takes the Cannon.

   What to watch out for

   • Not forcing: the defender has 28 replies, so compare each one before playing it.

   3. Black R3-2 (captures the Soldier)

4. 4. Red C5=7

   Why it works–

   What to watch out for

   • Not forcing: the defender has 22 replies, so compare each one before playing it.
   • The Cannon stands where it can be captured.

   4. Black C5=6 (check)

5. 5. Red K4=5

   Why it works–

   What to watch out for

   • Not forcing: the defender has 25 replies, so compare each one before playing it.

   5. Black C6=5 (check)

6. 6. 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.

   6. Black P3+1

7. 7. Red C6=7

   Why it works–

   What to watch out for

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

   7. Black C5=6 (check)

8. 8. Red R4=5

   Why it works–

   What to watch out for

   • Not forcing: the defender has 25 replies, so compare each one before playing it.

   8. Black R3=4

9. 9. Red +C+6 (captures the Elephant, 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.
   • 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 for

   • Gives up the Cannon; the follow-up must be exact or the sacrifice is wasted.

   9. Black E5-3 (captures the Cannon)

10. 10. Red C7+8 (captures the Elephant, checkmate)

    Why it works

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

    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 E7+5
  • If Black plays C4=3 instead: Red mates immediately with R4+6. Try it on the board
  • If Black plays C4=2 instead: Red mates immediately with R4+6. Try it on the board
  • If Black plays C4=1 instead: Red mates immediately with R4+6. Try it on the board
  • If Black plays C4-1 instead: Red mates immediately with R4+6. Try it on the board
  • If Black plays C4-2 instead: Red mates immediately with R4+6. Try it on the board
  • If Black plays C4-3 instead: Red mates immediately with R4+6. Try it on the board
• 2. Black R5=3
  • If Black plays C4=8 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C4=3 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C4=2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C4=1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C4-1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C4-2 instead: no immediate mate; the attack continues. Try it on the board
• 3. Black R3-2
  • If Black plays R3=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=5 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=6 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=7 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=8 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=9 instead: no immediate mate; the attack continues. Try it on the board
• 4. Black C5=6
  • If Black plays R3=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3-1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3+1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C5=7 instead: no immediate mate; the attack continues. Try it on the board
• 5. Black C6=5
  • If Black plays R3=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=5 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3-1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3+1 instead: no immediate mate; the attack continues. Try it on the board
• 6. Black P3+1
  • If Black plays R3=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3-1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3+1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C5=6 instead: no immediate mate; the attack continues. Try it on the board
• 7. Black C5=6
  • If Black plays R3=4 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3+1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C5=7 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C5=8 instead: no immediate mate; the attack continues. Try it on the board
• 8. Black R3=4
  • If Black plays R3=5 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=2 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3=1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays R3+1 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C6=7 instead: no immediate mate; the attack continues. Try it on the board
  • If Black plays C6=8 instead: no immediate mate; the attack continues. Try it on the board

Final position

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