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Problem Display

PID: 121213 (8/7N/5r2/8/5P1k/5B2/7K/4R3 w - - 0 1)

Hannemann, Knud Harald

Comm., Springaren, 1956

8/7N/5r2/8/5P1k/5B2/7K/4R3

#3

5 + 2

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Rf5
  - 2.Re4
    - 2...Rxf4
      - 3.Rxf4#
    - 2...Ra5
      - 3.f5#
    - 2...Rb5
      - 3.f5#
    - 2...Rc5
      - 3.f5#
    - 2...Rd5
      - 3.f5#
    - 2...Re5
      - 3.fxe5#
    - 2...Rg5
      - 3.fxg5#
    - 2...Rh5
      - 3.f5#
    - 2...Rf6
      - 3.f5#
    - 2...Rf7
      - 3.f5#
    - 2...Rf8
      - 3.f5#
Keys
- 1.Re5!
  - threat
    - 2.Rh5#
  - 1...Rf5
    - 2.Re4
      - 2...Rxf4
        3.Rxf4#
      - 2...Ra5
        3.f5#
      - 2...Rb5
        3.f5#
      - 2...Rc5
        3.f5#
      - 2...Rd5
        3.f5#
      - 2...Re5
        3.fxe5#
      - 2...Rg5
        3.fxg5#
      - 2...Rh5
        3.f5#
      - 2...Rf6
        3.f5#
      - 2...Rf7
        3.f5#
      - 2...Rf8
        3.f5#
  - 1...Rh6
    - 2.Sf8
      - 2...Rh5
        3.Sg6#
        3.Rxh5#
      - 2...Ra6
        3.Rh5#
      - 2...Rb6
        3.Rh5#
      - 2...Rc6
        3.Rh5#
      - 2...Rd6
        3.Rh5#
      - 2...Re6
        3.Rh5#
      - 2...Rf6
        3.Rh5#
      - 2...Rg6
        3.Sxg6#
        3.Rh5#
      - 2...Rh7
        3.Sg6#
      - 2...Rh8
        3.Sg6#

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