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Problem Display

PID: 170974 (8/8/2N5/3k1BK1/6p1/BpR1p3/P5r1/3b4 w - - 0 1)

Grande, Joralf

Problemisten, 1954

8/8/2N5/3k1BK1/6p1/BpR1p3/P5r1/3b4

#3

6 + 6

6490	yacpdb	2018

SOLUTION

SOUND
Sets
- 1...Rg1
  - 2.Be7
    - threat
      - 3.Rc5#
  - 2.Bf8
    - threat
      - 3.Rc5#
- 1...Rg3
  - 2.Be7
    - threat
      - 3.Rc5#
  - 2.Bf8
    - threat
      - 3.Rc5#
- 1...e2
  - 2.Be7
    - threat
      - 3.Rc5#
  - 2.Bf8
    - threat
      - 3.Rc5#
Tries
- 1.Se7+?
  - 1...Ke5
    - 2.Rd3
      - threat
        3.Sc6#
        3.Sg6#
        3.Bd6#
        3.Rd5#
    - 2.Rc5+
      - 2...Kd4
        3.Sc6#
      - 2...Kd6
        3.Sc8#
  - 1...Kd4!
Keys
- 1.Sa7!
  - threat
    - 2.Rc5+
      - 2...Kd4
        3.Sb5#
        3.Sc6#
      - 2...Kd6
        3.Sc8#
  - 1...Kd4
    - 2.Sb5+
      - 2...Kd5
        3.Rc5#
      - 2...Ke5
        3.Rc5#
  - 1...Ke5
    - 2.Rd3
      - threat
        3.Sc6#
        3.Bd6#
    - 2.Rc5+
      - 2...Kd4
        3.Sb5#
        3.Sc6#
      - 2...Kd6
        3.Sc8#
  - 1...Rc2
    - 2.Rd3+
      - 2...Kc4
        3.axb3#
      - 2...Ke5
        3.Bd6#
  - 1...Be2
    - 2.Rc5+
      - 2...Kd4
        3.Sc6#
      - 2...Kd6
        3.Sc8#
  - 1...Bf3
    - 2.Rd3+
      - 2...Kc4
        3.axb3#
      - 2...Ke5
        3.Bd6#
    - 2.Rc5+
      - 2...Kd4
        3.Sb5#
      - 2...Kd6
        3.Sc8#
  - 1...e2
    - 2.Sb5
      - threat
        3.Rc5#
      - 2...Ke5
        3.Rc5#

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