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Problem Display

PID: 265806 (8/N1K5/8/3k4/P6N/7Q/3P4/8 w - - 0 1)

Petrasinovic, Petrasin

Sachmatija, 2022

8/N1K5/8/3k4/P6N/7Q/3P4/8

#3

6 + 1

SOLUTION

SOUND
Sets
- 1...Kd4
  - 2.Kd6
    - 2...Kc4
      - 3.Qc3#
    - 2...Ke4
      - 3.Qe3#
Tries
- 1.Sc6?
  - threat
    - 2.Qf1
      - 2...Ke4
        3.Qc4#
        3.Qf3#
        3.Qf5#
      - 2...Kc5
        3.Qb5#
      - 2...Ke6
        3.Qf5#
    - 2.Qg4
      - 2...Kc5
        3.Qd4#
    - 2.Qf5+
      - 2...Kc4
        3.Qb5#
    - 2.Qb3+
      - 2...Ke4
        3.Qc4#
        3.Qf3#
      - 2...Kc5
        3.Qb5#
        3.d4#
    - 2.Qd3+
      - 2...Kc5
        3.Qb5#
        3.Qd4#
      - 2...Ke6
        3.Qf5#
    - 2.d3
      - 2...Kc5
        3.Qf5#
  - 1...Kc5
    - 2.Qf5+
      - 2...Kc4
        3.Qb5#
    - 2.d3
      - 2...Kd5
        3.Qf5#
  - 1...Kc4!
- 1.Qf5+?
  - 1...Kd4
    - 2.Sf3+
      - 2...Kc4
        3.Qb5#
    - 2.Sc6+
      - 2...Kc4
        3.Qb5#
  - 1...Kc4!
Keys
- 1.Sc8!
  - 1...Kc4
    - 2.Sb6+
      - 2...Kb4
        3.Qc3#
      - 2...Kd4
        3.Qe3#
      - 2...Kc5
        3.Qc3#
  - 1...Kd4
    - 2.Kd6
      - 2...Kc4
        3.Qc3#
      - 2...Ke4
        3.Qe3#
  - 1...Ke4
    - 2.Qe3+
      - 2...Kd5
        3.Sb6#
  - 1...Kc5
    - 2.Sb6
      - threat
        3.Qc3#
      - 2...Kb4
        3.Qc3#
      - 2...Kd4
        3.Qe3#
  - 1...Ke5
    - 2.Qe3+
      - 2...Kd5
        3.Sb6#
      - 2...Kf6
        3.Qe7#

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