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Problem Display

PID: 269130 (1K2Q3/4p3/2Bk4/8/N7/8/2N5/8 w - - 0 1)

Petrasinovic, Petrasin

Springaren, 2018

1K2Q3/4p3/2Bk4/8/N7/8/2N5/8

#3

5 + 2

SOLUTION

SOUND
Sets
- 1...e5
  - 2.Qd7#
Tries
- 1.Sd4?
  - threat
    - 2.Sf3
      - threat
        3.Qd7#
      - 2...Ke6
        3.Qg6#
  - 1...e5
    - 2.Sb5#
    - 2.Sf5#
    - 2.Qd7#
    - 2.Qe6#
    - 2.Qd8#
    - 2.Qf8#
  - 1...e6
    - 2.Qxe6#
  - 1...Ke5!
- 1.Bd7?
  - 1...Ke5
    - 2.Qxe7+
      - 2...Kf4
        3.Qe3#
      - 2...Kd5
        3.Sb6#
        3.Qe6#
  - 1...Kd5!
- 1.Qf7?
  - threat
    - 2.Qd5#
  - 1...Ke5
    - 2.Sb2
      - threat
        3.Sc4#
      - 2...Kd6
        3.Qd5#
    - 2.Sb6
      - threat
        3.Sc4#
      - 2...Kd6
        3.Qd5#
  - 1...Kxc6!
- 1.Qc8?
  - 1...e6
    - 2.Qc7#
  - 1...e5
    - 2.Qd7#
  - 1...Ke5!
Keys
- 1.Sb2!
  - threat
    - 2.Sd3
      - threat
        3.Qd7#
      - 2...Ke6
        3.Qg6#
  - 1...Kc5
    - 2.Kc7
      - threat
        3.Qxe7#
      - 2...e5
        3.Qxe5#
        3.Qe7#
        3.Qf8#
      - 2...e6
        3.Qe7#
        3.Qf8#
  - 1...Ke5
    - 2.Qf7
      - threat
        3.Sc4#
      - 2...Kd6
        3.Qd5#
  - 1...Ke6
    - 2.Qg6+
      - 2...Ke5
        3.Sd3#
  - 1...e5
    - 2.Sd3
      - 2...e4
        3.Qd7#
    - 2.Be4
      - 2...Kc5
        3.Qc6#
  - 1...e6
    - 2.Sd3
      - 2...e5
        3.Qd7#

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