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Problem Display

PID: 229822 (3k4/p6R/P7/8/3K4/8/8/8 w - - 0 1)

Dehler, Otto Georg Edgar

Deutsche Schachblatter, 1932

3k4/p6R/P7/8/3K4/8/8/8

#4

3 + 2

6490	yacpdb	2021

SOLUTION

SOUND
Keys
- 1.Rxa7!
  - threat
    - 2.Rh7
      - threat
        3.a7
        threat
        4.a8Q#
        4.a8R#
        3...Kc8
        4.a8Q#
        4.a8R#
        3...Ke8
        4.a8Q#
        4.a8R#
      - 2...Kc8
        3.a7
        3...Kd8
        4.a8Q#
        4.a8R#
      - 2...Ke8
        3.a7
        threat
        4.a8Q#
        4.a8R#
        3...Kd8
        4.a8Q#
        4.a8R#
        3...Kf8
        4.a8Q#
        4.a8R#
  - 1...Kc8
    - 2.Rb7
      - 2...Kd8
        3.a7
        threat
        4.a8Q#
        4.a8R#
        3...Kc8
        4.a8Q#
        3...Ke8
        4.a8Q#
        4.a8R#
  - 1...Ke8
    - 2.Rb7
      - threat
        3.a7
        threat
        4.a8Q#
        4.a8R#
        3...Kd8
        4.a8Q#
        4.a8R#
        3...Kf8
        4.a8Q#
        4.a8R#
      - 2...Kd8
        3.a7
        threat
        4.a8Q#
        4.a8R#
        3...Kc8
        4.a8Q#
        3...Ke8
        4.a8Q#
        4.a8R#
      - 2...Kf8
        3.a7
        threat
        4.a8Q#
        4.a8R#
        3...Ke8
        4.a8Q#
        4.a8R#
        3...Kg8
        4.a8Q#
        4.a8R#

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