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Problem Display

PID: 256390 (q1k2K2/p5p1/N1P3p1/8/1p6/8/3b4/Q7 w - - 0 1)

Juricek, Stanislav

1st Comm., Havel-140 MT (Kudesnik), 2020-2021

q1k2K2/p5p1/N1P3p1/8/1p6/8/3b4/Q7

#3

4 + 7

SOLUTION

SOUND
Sets
- 1...Kd8
  - 2.Qd4+
    - 2...Kc8
      - 3.Qd7#
  - 2.Qa5+
    - 2...Kc8
      - 3.Qc7#
Tries
- 1.Qe5?
  - threat
    - 2.Qc7#
    - 2.Qe8#
  - 1...Kd8
    - 2.Qc7#
    - 2.Qe8#
  - 1...Qb7
    - 2.Qe8#
  - 1...Qb8
    - 2.Qxb8#
    - 2.Qe8#
  - 1...Bf4
    - 2.Qe8#
  - 1...Bg5
    - 2.Qc7#
  - 1...Qxc6!
- 1.Qf6?
  - threat
    - 2.Qe6+
      - 2...Kd8
        3.Qd7#
        3.Qe8#
        3.c7#
  - 1...Qxc6
    - 2.Qxc6+
      - 2...Kd8
        3.Qe8#
        3.Qc7#
  - 1...Qb7
    - 2.Qe6+
      - 2...Kd8
        3.Qe8#
      - 2...Qd7
        3.Qxd7#
  - 1...Qb8
    - 2.Qe6+
      - 2...Kd8
        3.Qd7#
        3.Qe8#
  - 1...Bf4
    - 2.Qe6+
      - 2...Kd8
        3.Qd7#
        3.Qe8#
  - 1...gxf6!
Keys
- 1.Qh1!
  - threat
    - 2.Qh3+
      - 2...Kd8
        3.Qd7#
        3.c7#
  - 1...Kd8
    - 2.Qd5+
      - 2...Kc8
        3.Qd7#
  - 1...Qxc6
    - 2.Qxc6+
      - 2...Kd8
        3.Qe8#
        3.Qc7#
  - 1...Qb7
    - 2.cxb7+
      - 2...Kd7
        3.Qd5#
      - 2...Kd8
        3.Qd5#
  - 1...Qb8
    - 2.Qh3+
      - 2...Kd8
        3.Qd7#
  - 1...Bf4
    - 2.Qh3+
      - 2...Kd8
        3.Qd7#
  - 1...g5
    - 2.Ke7
      - threat
        3.Qh8#
      - 2...Qb7+
        3.cxb7#
      - 2...Qxc6
        3.Qxc6#

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