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Problem Display

PID: 282926 (8/1b6/8/N7/4kpNR/4P3/3K4/2Q5 w - - 0 1)

Petrasinovic, Petrasin

Zadachi i Etyudi, 2024

8/1b6/8/N7/4kpNR/4P3/3K4/2Q5

#3

6 + 3

SOLUTION

SOUND
Sets
- 1...Kf3
  - 2.Qh1+
    - 2...Kg3
      - 3.Qh3#
- 1...f3
  - 2.Rh5
    - threat
      - 3.Sf2#
      - 3.Sf6#
      - 3.Re5#
      - 3.Qb1#
      - 3.Qc2#
      - 3.Qc4#
    - 2...f2
      - 3.Qh1#
  - 2.Qc5
    - threat
      - 3.Sf2#
      - 3.Sh2#
      - 3.Sf6#
      - 3.Sh6#
      - 3.Qe5#
    - 2...Bd5
      - 3.Qc2#
Tries
- 1.Rh5?
  - threat
    - 2.Qh1+
      - 2...f3
        3.Sf2#
        3.Sf6#
        3.Re5#
        3.Qb1#
  - 1...Kf3
    - 2.Qf1+
      - 2...Kg3
        3.Qh3#
      - 2...Ke4
        3.Sf6#
        3.Re5#
        3.Qxf4#
      - 2...Kxg4
        3.Qh3#
    - 2.Qh1+
      - 2...Kg3
        3.Qh3#
      - 2...Kxg4
        3.Qh3#
  - 1...fxe3+!
- 1.Qb1+?
  - 1...Kf3
    - 2.Qh1+
      - 2...Kg3
        3.Qh3#
  - 1...Kd5!
- 1.Qh1+?
  - 1...f3
    - 2.Rh5
      - threat
        3.Sf2#
        3.Sf6#
        3.Re5#
        3.Qb1#
  - 1...Kf5!
- 1.Qc4+?
  - 1...Kf3
    - 2.Qxf4+
      - 2...Kg2
        3.Qf2#
  - 1...Kf5!
- 1.Qc6+?
  - 1...Kf5
    - 2.e4+
      - 2...Kg5
        3.Qf6#
        3.Qh6#
  - 1...Bxc6!
Keys
- 1.Qc7!
  - threat
    - 2.Qxf4+
      - 2...Kd5
        3.Qe5#
  - 1...fxe3+
    - 2.Sxe3+
      - 2...Kf3
        3.Qf4#
  - 1...Kf3
    - 2.Qxf4+
      - 2...Kg2
        3.Qf2#
  - 1...Kf5
    - 2.Qe5+
      - 2...Kg6
        3.Qf6#

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