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Problem Display

PID: 5178 (1R6/k7/B1Kp4/2p1N3/NP6/2n5/8/8 w - - 0 1)

Cumpe, Josef

Source?, 0000

1R6/k7/B1Kp4/2p1N3/NP6/2n5/8/8

#3

6 + 4

SOLUTION

SOUND
Sets
- 1...Kxa6
  - 2.Ra8#
- 1...dxe5
  - 2.Rb7+
    - 2...Kxa6
      - 3.Sxc5#
    - 2...Ka8
      - 3.Sb6#
- 1...d5
  - 2.Rb7+
    - 2...Kxa6
      - 3.Sxc5#
    - 2...Ka8
      - 3.Sb6#
Tries
- 1.Sb6?
  - threat
    - 2.Ra8#
  - 1...Kxa6
    - 2.Ra8#
  - 1...Kxb8!
- 1.Rb7+?
  - 1...Ka8
    - 2.Sb6#
  - 1...Kxa6!
Keys
- 1.Kd7!
  - threat
    - 2.Sc6+
      - 2...Kxa6
        3.Rb6#
  - 1...Kxa6
    - 2.Sc6
      - threat
        3.Rb6#
      - 2...Sxa4
        3.b5#
      - 2...Sd5
        3.b5#
  - 1...Kxb8
    - 2.Sc6+
      - 2...Ka8
        3.Sb6#
  - 1...Sxa4
    - 2.Sc6+
      - 2...Kxa6
        3.b5#
  - 1...dxe5
    - 2.Rb7+
      - 2...Kxa6
        3.Sxc5#
      - 2...Ka8
        3.Sb6#
  - 1...Sb1
    - 2.Sc6+
      - 2...Kxa6
        3.Rb6#
        3.b5#
  - 1...Sd1
    - 2.Sc6+
      - 2...Kxa6
        3.Rb6#
        3.b5#
  - 1...Sa2
    - 2.Sc6+
      - 2...Kxa6
        3.Rb6#
        3.b5#
  - 1...Se2
    - 2.Sc6+
      - 2...Kxa6
        3.Rb6#
        3.b5#
  - 1...Se4
    - 2.Sc6+
      - 2...Kxa6
        3.Rb6#
        3.b5#
  - 1...Sd5
    - 2.Sc6+
      - 2...Kxa6
        3.b5#
  - 1...d5
    - 2.Sc6+
      - 2...Kxa6
        3.Sxc5#
        3.Rb6#
    - 2.Rb7+
      - 2...Kxa6
        3.Sxc5#
      - 2...Ka8
        3.Sb6#

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