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Problem Display

PID: 198581 (4k2r/R7/8/8/K1p5/2P5/8/5R2 w k - 0 1)

Spare, Carl-Erik

Suomen Shakki, 1987

4k2r/R7/8/8/K1p5/2P5/8/5R2

#3

4 + 3

SOLUTION

SOUND
Sets
- 1...Rh1
  - 2.Rxh1
    - threat
      - 3.Rh8#
    - 2...Kd8
      - 3.Rh8#
    - 2...Kf8
      - 3.Rh8#
- 1...Rh7
  - 2.Rxh7
    - 2...Kd8
      - 3.Rf8#
- 1...Rf8
  - 2.Rb1
    - threat
      - 3.Rb8#
    - 2...Kd8
      - 3.Rb8#
- 1...Rg8
  - 2.Rb1
    - threat
      - 3.Rb8#
    - 2...Kd8
      - 3.Rb8#
    - 2...Kf8
      - 3.Rb8#
Tries
- 1.Rb1?
  - threat
    - 2.Rb8#
  - 1...Kd8
    - 2.Rb8#
  - 1...Kf8
    - 2.Rb8#
  - 1...0-0!
- 1.Re1+?
  - 1...Kf8
    - 2.Rb1
      - threat
        3.Rb8#
      - 2...Ke8
        3.Rb8#
      - 2...Kg8
        3.Rb8#
  - 1...Kd8!
Keys
- 1.Rg1!
  - 1...Kd8
    - 2.Rgg7
      - threat
        3.Ra8#
      - 2...Kc8
        3.Ra8#
      - 2...Ke8
        3.Ra8#
  - 1...Kf8
    - 2.Rb1
      - threat
        3.Rb8#
      - 2...Ke8
        3.Rb8#
      - 2...Kg8
        3.Rb8#
  - 1...Rf8
    - 2.Rb1
      - threat
        3.Rb8#
      - 2...Kd8
        3.Rb8#

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