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Problem Display

PID: 209123 (8/Q7/8/N2k4/3N1p2/8/5K2/6B1 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2015

8/Q7/8/N2k4/3N1p2/8/5K2/6B1

#3

5 + 2

SOLUTION

SOUND
Tries
- 1.Kf3?
  - threat
    - 2.Qb6
      - 2...Ke5
        3.Qe6#
    - 2.Qd7+
      - 2...Kc5
        3.Sc2#
      - 2...Ke5
        3.Qe6#
  - 1...Kd6
    - 2.Ke4
      - 2...f3
        3.Sc4#
        3.Bh2#
  - 1...Ke5!
- 1.Qc5+?
  - 1...Ke4
    - 2.Ke1
      - threat
        3.Qf5#
      - 2...Kd3
        3.Qc2#
    - 2.Kf1
      - threat
        3.Qf5#
      - 2...Kd3
        3.Qc2#
    - 2.Sf3
      - 2...Kd3
        3.Qc4#
    - 2.Sab3
      - threat
        3.Qf5#
      - 2...Kd3
        3.Qc2#
    - 2.Sac6
      - threat
        3.Qf5#
      - 2...Kd3
        3.Qc2#
  - 1...Kxc5!
Keys
- 1.Sab3!
  - threat
    - 2.Qc5+
      - 2...Ke4
        3.Qf5#
  - 1...Kc4
    - 2.Qc5+
      - 2...Kd3
        3.Qc2#
  - 1...Ke4
    - 2.Qc5
      - threat
        3.Qf5#
      - 2...Kd3
        3.Qc2#
  - 1...Ke5
    - 2.Qe7+
      - 2...Kd5
        3.Qe6#
  - 1...Kd6
    - 2.Qf7
      - 2...Ke5
        3.Qe6#
      - 2...f3
        3.Bh2#

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