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Problem Display

PID: 161495 (8/8/8/5R2/k1pP4/7B/2N5/2K5 w - - 0 1)

O'Keefe, John James

Die Schwalbe, 1932

8/8/8/5R2/k1pP4/7B/2N5/2K5

#3

5 + 2

14986	White-Hume Collection	2017

SOLUTION

SOUND
Sets
- 1...Kb3
  - 2.Ra5
    - threat
      - 3.Ra3#
    - 2...Kc3
      - 3.Ra3#
    - 2...c3
      - 3.Be6#
Tries
- 1.Bf1?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
  - 1...c3!
- 1.Bg2?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Bd5#
  - 1...c3!
- 1.Bg4?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Be6#
  - 1...c3!
- 1.Ra5+?
  - 1...Kb3
    - 2.Ra3#
  - 1...Kxa5!
- 1.Rc5?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Be6#
  - 1...c3!
- 1.Re5?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Be6#
  - 1...c3!
- 1.Rg5?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Be6#
  - 1...c3!
- 1.Rh5?
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Be6#
  - 1...c3!
Keys
- 1.Rd5!
  - 1...Kb3
    - 2.Ra5
      - threat
        3.Ra3#
      - 2...Kc3
        3.Ra3#
      - 2...c3
        3.Be6#
  - 1...c3
    - 2.Be6
      - 2...Kb3
        3.Ra5#

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