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Problem Display

PID: 209072 (8/6Q1/5Bp1/5k2/8/2N5/3K3P/8 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2015

8/6Q1/5Bp1/5k2/8/2N5/3K3P/8

#3

5 + 2

SOLUTION

SOUND
Sets
- 1...Kf4
  - 2.Qxg6
    - 2...Kf3
      - 3.Qg3#
- 1...Kg4
  - 2.Qxg6+
    - 2...Kf3
      - 3.Qg3#
    - 2...Kh3
      - 3.Qg3#
    - 2...Kf4
      - 3.Qe4#
Tries
- 1.Bh4?
  - 1...Kf4
    - 2.Qd4+
      - 2...Kf3
        3.Qe4#
      - 2...Kf5
        3.Qe4#
    - 2.Qxg6
      - threat
        3.Qe4#
      - 2...Kf3
        3.Qe4#
        3.Qg3#
      - 2...Ke5
        3.Qf6#
  - 1...Ke6
    - 2.Qe7+
      - 2...Kf5
        3.Qe4#
  - 1...g5
    - 2.Qxg5+
      - 2...Ke6
        3.Qd5#
  - 1...Kg4!
- 1.Qf7?
  - 1...Kf4
    - 2.Qxg6
      - 2...Kf3
        3.Qg3#
  - 1...Kg4
    - 2.Qxg6+
      - 2...Kf3
        3.Qg3#
      - 2...Kh3
        3.Qg3#
      - 2...Kf4
        3.Qe4#
  - 1...g5!
Keys
- 1.Bd8!
  - threat
    - 2.Qd4
      - threat
        3.Qe4#
      - 2...Ke6
        3.Qd5#
  - 1...Kf4
    - 2.Qxg6
      - threat
        3.Qe4#
      - 2...Kf3
        3.Qg3#
      - 2...Ke5
        3.Qf6#
  - 1...Kg4
    - 2.Qxg6+
      - 2...Kf3
        3.Qg3#
      - 2...Kh3
        3.Qg3#
      - 2...Kf4
        3.Qe4#
  - 1...Ke6
    - 2.Qe7+
      - 2...Kf5
        3.Qe4#
  - 1...g5
    - 2.Qxg5+
      - 2...Ke6
        3.Qd5#

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