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Problem Display

PID: 155520 (4K3/6p1/4pk1P/4p1p1/4Rp2/4P3/2B2Q2/4B3 w - - 0 1)

Petrasinovic, Petrasin

Comm., The Problemist, 2014

4K3/6p1/4pk1P/4p1p1/4Rp2/4P3/2B2Q2/4B3

#3

7 + 6

SOLUTION

SOUND
Sets
- 1...Kf5
  - 2.Rxf4#
- 1...g4
  - 2.Rxf4+
    - 2...Kg5
      - 3.Qh4#
    - 2...exf4
      - 3.Qxf4#
- 1...g6
  - 2.Bc3
    - 2...Kf5
      - 3.Rxf4#
    - 2...g4
      - 3.Qxf4#
    - 2...f3
      - 3.Qxf3#
Tries
- 1.Qh4?
  - 1...Kg6
    - 2.Rxf4+
      - 2...e4
        3.Bxe4#
    - 2.Rxe5+
      - 2...Kf6
        3.Qxg5#
  - 1...fxe3
    - 2.Rg4
      - threat
        3.Qxg5#
      - 2...gxh4
        3.Rg6#
      - 2...gxh6
        3.Qxh6#
  - 1...gxh6
    - 2.Qxh6+
      - 2...Kf5
        3.Rxf4#
  - 1...f3
    - 2.Rg4
      - threat
        3.Qxg5#
      - 2...gxh4
        3.Rg6#
      - 2...gxh6
        3.Qxh6#
  - 1...g6
    - 2.Qg4
      - 2...fxe3
        3.Qf3#
      - 2...f3
        3.Qxf3#
  - 1...gxh4!
Keys
- 1.Qh2!
  - 1...Kg6
    - 2.Rxf4+
      - 2...e4
        3.Bxe4#
  - 1...fxe3
    - 2.Qxe5+
      - 2...Kg6
        3.Rh4#
  - 1...gxh6
    - 2.Qxh6+
      - 2...Kf5
        3.Rxf4#
  - 1...g4
    - 2.Rxf4+
      - 2...Kg5
        3.Qh4#
      - 2...exf4
        3.Qxf4#
  - 1...f3
    - 2.Qxe5+
      - 2...Kg6
        3.Rh4#
  - 1...g6
    - 2.Bc3
      - 2...Kf5
        3.Rxf4#
      - 2...fxe3
        3.Qxe5#
      - 2...g4
        3.Qxf4#
      - 2...f3
        3.Qxe5#

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