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Problem Display

PID: 269115 (8/5K2/3k4/3B1Q2/7N/6P1/3N4/8 w - - 0 1)

Petrasinovic, Petrasin

1st HM., SuperProblem, 2021

8/5K2/3k4/3B1Q2/7N/6P1/3N4/8

#3

6 + 1

SOLUTION

SOUND
Tries
- 1.Qc8?
  - threat
    - 2.Sb3
      - 2...Kxd5
        3.Qe6#
      - 2...Ke5
        3.Qe6#
    - 2.Bh1
      - 2...Ke5
        3.Qc5#
    - 2.Ba2
      - 2...Ke5
        3.Qc5#
    - 2.Bg2
      - 2...Ke5
        3.Qc5#
    - 2.Bb3
      - 2...Ke5
        3.Qc5#
    - 2.Bf3
      - 2...Ke5
        3.Qc5#
    - 2.Bc4
      - 2...Ke5
        3.Qc5#
    - 2.Be4
      - 2...Ke5
        3.Qc5#
    - 2.Be6
      - 2...Ke5
        3.Qc5#
    - 2.Bb7
      - 2...Ke5
        3.Qc5#
    - 2.Ba8
      - 2...Ke5
        3.Qc5#
    - 2.Qc6+
      - 2...Ke5
        3.Sdf3#
  - 1...Kxd5
    - 2.Sf5
      - 2...Ke5
        3.Qe6#
        3.Qc5#
  - 1...Ke5!
Keys
- 1.Qb1!
  - 1...Kc5
    - 2.Sf5
      - 2...Kxd5
        3.Qb5#
  - 1...Kxd5
    - 2.Qb6
      - 2...Ke5
        3.Qc5#
  - 1...Ke5
    - 2.Sf5
      - 2...Kxd5
        3.Qb5#
  - 1...Kc7
    - 2.Ke7
      - 2...Kc8
        3.Qb7#
  - 1...Kd7
    - 2.Qb6
      - 2...Kc8
        3.Be6#

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