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Problem Display

PID: 216817 (1b3RK1/p1B5/8/4p3/4p2p/7k/5R2/5N2 w - - 0 1)

Bylevski, Aleksandr

Phenix, 1998

1b3RK1/p1B5/8/4p3/4p2p/7k/5R2/5N2

#3

5 + 6

SOLUTION

SOUND
Sets
- 1...e3
  - 2.Sxe3
    - threat
      - 3.R8f3#
    - 2...Kg3
      - 3.R8f3#
    - 2...e4
      - 3.Rh2#
Tries
- 1.Kh8?
  - threat
    - 2.Rg8
      - threat
        3.Rh2#
  - 1...e3
    - 2.Sxe3
      - threat
        3.R8f3#
      - 2...Kg3
        3.R8f3#
      - 2...e4
        3.Rh2#
  - 1...Kg4!
- 1.R8f5?
  - threat
    - 2.Rg5
      - threat
        3.Rh2#
  - 1...e3
    - 2.Sxe3
      - threat
        3.R5f3#
      - 2...Kg3
        3.R5f3#
      - 2...e4
        3.Rh2#
  - 1...Kg4!
- 1.R8f6?
  - threat
    - 2.Rg6
      - threat
        3.Rh2#
  - 1...e3
    - 2.Sxe3
      - threat
        3.R6f3#
      - 2...Kg3
        3.R6f3#
      - 2...e4
        3.Rh2#
  - 1...Kg4!
- 1.R8f7?
  - threat
    - 2.Rg7
      - threat
        3.Rh2#
  - 1...e3
    - 2.Sxe3
      - threat
        3.R7f3#
      - 2...Kg3
        3.R7f3#
      - 2...e4
        3.Rh2#
  - 1...Kg4!
Keys
- 1.Kh7!
  - threat
    - 2.Rg8
      - threat
        3.Rh2#
  - 1...Kg4
    - 2.Rg8+
      - 2...Kh3
        3.Rh2#
      - 2...Kh5
        3.Rf5#
  - 1...e3
    - 2.Sxe3
      - threat
        3.R8f3#
      - 2...Kg3
        3.R8f3#
      - 2...e4
        3.Rh2#

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