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Problem Display

PID: 200912 (8/8/5p2/8/5P2/2p2R2/p1p2p2/k1K5 w - - 0 1)

Oosterholt, Cornelis Johannes

Oprechte Haarlemsche Courant, 1922

8/8/5p2/8/5P2/2p2R2/p1p2p2/k1K5

#4

3 + 6

6490	yacpdb	2020

SOLUTION

SOUND
Keys
- 1.Kxc2!
  - threat
    - 2.Rxf2
      - 2...f5
        3.Rf1#
    - 2.f5
      - threat
        3.Rf4
        3...f1Q
        4.Rxf1#
        3...f1S
        4.Rxf1#
        3...f1B
        4.Rxf1#
        3...f1R
        4.Rxf1#
      - 2...f1Q
        3.Rxf1#
      - 2...f1S
        3.Rxf1#
      - 2...f1B
        3.Rxf1#
      - 2...f1R
        3.Rxf1#
  - 1...f5
    - 2.Kc1
      - threat
        3.Kc2
        3...f1Q
        4.Rxf1#
        3...f1S
        4.Rxf1#
        3...f1B
        4.Rxf1#
        3...f1R
        4.Rxf1#
      - 2...f1Q+
        3.Rxf1
        3...c2
        4.Kxc2#
      - 2...f1R+
        3.Rxf1
        3...c2
        4.Kxc2#
      - 2...f1S
        3.Rxf1
        3...c2
        4.Kxc2#
      - 2...f1B
        3.Rxf1
        3...c2
        4.Kxc2#
      - 2...c2
        3.Kxc2
        3...f1Q
        4.Rxf1#
        3...f1S
        4.Rxf1#
        3...f1B
        4.Rxf1#
        3...f1R
        4.Rxf1#

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