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Problem Display

PID: 13637 (8/2P3P1/P1pPk2K/4p1P1/2P1P3/8/8/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Rigaer Rundschau, 1908

8/2P3P1/P1pPk2K/4p1P1/2P1P3/8/8/8

#3

8 + 3

SOLUTION

SOUND
Sets
- 1...Kf7
  - 2.c8Q
    - 2...c5
      - 3.g8Q#
      - 3.g8B#
Tries
- 1.c8Q+?
  - 1...Kf7
    - 2.g8Q#
    - 2.g8B#
  - 1...Kxd6!
- 1.c8B+?
  - 1...Kf7
    - 2.Kh7
      - threat
        3.g8Q#
      - 2...Ke8
        3.g8Q#
    - 2.c5
      - 2...Ke8
        3.g8Q#
      - 2...Kg8
        3.Be6#
    - 2.g6+
      - 2...Kf6
        3.g8S#
      - 2...Ke8
        3.g8Q#
        3.g8R#
      - 2...Kg8
        3.Be6#
  - 1...Kxd6!
- 1.g8Q+?
  - 1...Kd7
    - 2.Qd8+
      - 2...Ke6
        3.Qe7#
    - 2.Qf8
      - threat
        3.c8Q#
        3.c8B#
      - 2...Ke6
        3.Qe7#
        3.c8Q#
        3.c8B#
    - 2.c8Q+
      - 2...Kxd6
        3.Qgf8#
  - 1...Kxd6!
- 1.g8B+?
  - 1...Kd7
    - 2.c5
      - 2...Kc8
        3.Be6#
      - 2...Ke8
        3.c8Q#
  - 1...Kxd6!
Keys
- 1.c5!
  - threat
    - 2.c8Q+
      - 2...Kf7
        3.g8Q#
        3.g8B#
    - 2.g8Q+
      - 2...Kd7
        3.c8Q#
        3.c8B#
  - 1...Kd7
    - 2.g8B
      - 2...Kc8
        3.Be6#
      - 2...Ke8
        3.c8Q#
  - 1...Kf7
    - 2.c8B
      - 2...Ke8
        3.g8Q#
      - 2...Kg8
        3.Be6#

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