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Problem Display

PID: 204213 (2N5/4p2r/k7/N7/1PP2p2/7n/2R2B2/1K6 w - - 0 1)

Wirtanen, Erkki Aukusti

The Problemist, 1954

2N5/4p2r/k7/N7/1PP2p2/7n/2R2B2/1K6

#3

7 + 5

SOLUTION

COOKED
Sets
- 1...Sg5
  - 2.Be1
    - threat
      - 3.b5#
- 1...e5
  - 2.Bb6
    - threat
      - 3.b5#
  - 2.Ra2
    - threat
      - 3.b5#
    - 2...Rb7
      - 3.Sb3#
      - 3.Sc6#
Keys
- 1.Bc5!
  - threat
    - 2.Ra2
      - threat
        3.b5#
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...Rh5
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...Rh6
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...Rg7
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...Sf2
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...Sg5
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...e5
    - 2.Bb6
      - threat
        3.b5#
    - 2.Ra2
      - threat
        3.b5#
      - 2...Rb7
        3.Sb3#
        3.Sc6#
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
  - 1...e6
    - 2.Ra2
      - threat
        3.b5#
      - 2...Rb7
        3.Sb3#
        3.Sc6#
    - 2.b5+
      - 2...Kxa5
        3.Ra2#
- 1.Re2!
  - threat
    - 2.Re6#
  - 1...Rh6
    - 2.Rxe7
      - threat
        3.Ra7#
      - 2...Rh7
        3.Re6#
  - 1...Sg5
    - 2.Be1
      - threat
        3.b5#
  - 1...e5
    - 2.Bb6
      - threat
        3.b5#
    - 2.Ra2
      - threat
        3.b5#
      - 2...Rb7
        3.Sb3#
        3.Sc6#

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