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Problem Display

PID: 78308 (8/k7/3RN3/8/8/6B1/8/7K w - - 0 1)

Loquin, Paul

La Palamede, 1844

8/k7/3RN3/8/8/6B1/8/7K

#3

4 + 1

SOLUTION

SOUND
Tries
- 1.Sd8?
  - threat
    - 2.Rc6
      - 2...Ka8
        3.Ra6#
    - 2.Re6
      - 2...Ka8
        3.Ra6#
    - 2.Rf6
      - 2...Ka8
        3.Ra6#
    - 2.Rg6
      - 2...Ka8
        3.Ra6#
    - 2.Rh6
      - 2...Ka8
        3.Ra6#
  - 1...Ka8
    - 2.Ra6#
  - 1...Kb8!
- 1.Ra6+?
  - 1...Kb7
    - 2.Sc5+
      - 2...Kc8
        3.Ra8#
  - 1...Kxa6!
- 1.Rb6?
  - 1...Ka8
    - 2.Sc5
      - 2...Ka7
        3.Ra6#
  - 1...Kxb6!
- 1.Rc6?
  - threat
    - 2.Sc5
      - 2...Ka8
        3.Ra6#
    - 2.Sd8
      - 2...Ka8
        3.Ra6#
  - 1...Ka8
    - 2.Sc5
      - 2...Ka7
        3.Ra6#
  - 1...Kb7!
Keys
- 1.Sc5!
  - threat
    - 2.Ra6#
  - 1...Kb8
    - 2.Ra6+
      - 2...Kc8
        3.Ra8#
    - 2.Rb6+
      - 2...Ka7
        3.Ra6#
      - 2...Ka8
        3.Ra6#
      - 2...Kc8
        3.Rb8#
    - 2.Rc6+
      - 2...Ka7
        3.Ra6#
      - 2...Ka8
        3.Ra6#
    - 2.Re6+
      - 2...Ka7
        3.Ra6#
      - 2...Ka8
        3.Ra6#
      - 2...Kc8
        3.Re8#
    - 2.Rf6+
      - 2...Ka7
        3.Ra6#
      - 2...Ka8
        3.Ra6#
      - 2...Kc8
        3.Rf8#
    - 2.Rg6+
      - 2...Ka7
        3.Ra6#
      - 2...Ka8
        3.Ra6#
      - 2...Kc8
        3.Rg8#
    - 2.Rh6+
      - 2...Ka7
        3.Ra6#
      - 2...Ka8
        3.Ra6#
      - 2...Kc8
        3.Rh8#

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