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Problem Display

PID: 206825 (Q7/5k2/3P3K/8/8/6P1/8/8 w - - 0 1)

Bolotbekov, S?

Sachova skladba, 1991

Q7/5k2/3P3K/8/8/6P1/8/8

#3

4 + 1

SOLUTION

SOUND
Tries
- 1.Kh7?
  - 1...Kf6
    - 2.Qe4
      - 2...Kg5
        3.Qg6#
      - 2...Kf7
        3.Qe7#
  - 1...Ke6!
- 1.Qd5+?
  - 1...Kf6
    - 2.d7
      - 2...Ke7
        3.d8Q#
  - 1...Kf8
    - 2.Qb7
      - 2...Ke8
        3.Qe7#
      - 2...Kg8
        3.Qg7#
    - 2.Qh5
      - 2...Kg8
        3.Qe8#
    - 2.d7
      - 2...Ke7
        3.d8Q#
  - 1...Ke8!
- 1.d7?
  - threat
    - 2.Qd5+
      - 2...Kf6
        3.d8Q#
        3.d8B#
      - 2...Ke7
        3.d8Q#
      - 2...Kf8
        3.d8Q#
    - 2.d8Q
      - 2...Ke6
        3.Qad5#
  - 1...Kf6
    - 2.Qd5
      - 2...Ke7
        3.d8Q#
  - 1...Ke7
    - 2.d8Q+
      - 2...Ke6
        3.Qad5#
      - 2...Kf7
        3.Qad5#
        3.Qa2#
  - 1...Ke6!
Keys
- 1.Qe4!
  - threat
    - 2.Qe7+
      - 2...Kg8
        3.Qg7#
        3.Qe8#
  - 1...Kf6
    - 2.Kh7
      - 2...Kg5
        3.Qg6#
      - 2...Kf7
        3.Qe7#
  - 1...Kf8
    - 2.Kg6
      - 2...Kg8
        3.Qa8#
        3.Qe8#
    - 2.Kh7
      - 2...Kf7
        3.Qe7#
    - 2.Qb7
      - 2...Ke8
        3.Qe7#
      - 2...Kg8
        3.Qg7#
    - 2.Qh7
      - 2...Ke8
        3.Qe7#
    - 2.Qe7+
      - 2...Kg8
        3.Qg7#
        3.Qe8#

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