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Problem Display

PID: 132775 (3Bbn2/1p2Rp2/1pPkp3/5P2/3P4/8/8/4K2B w - - 0 1)

Russ, Colin Albert Harry

Problem Observer, 2009

3Bbn2/1p2Rp2/1pPkp3/5P2/3P4/8/8/4K2B

#3

7 + 7

SOLUTION

SOUND
Sets
- 1...Bd7
  - 2.cxb7
    - threat
      - 3.b8Q#
      - 3.b8B#
- 1...Sd7
  - 2.c7
    - threat
      - 3.c8S#
- 1...Sh7
  - 2.cxb7
    - threat
      - 3.b8Q#
      - 3.b8B#
- 1...f6
  - 2.cxb7
    - threat
      - 3.b8Q#
      - 3.b8B#
    - 2...Sd7
      - 3.Rxe6#
Tries
- 1.cxb7?
  - threat
    - 2.b8Q#
    - 2.b8B#
  - 1...exf5
    - 2.b8Q#
    - 2.b8B#
  - 1...Bd7
    - 2.b8Q#
    - 2.b8B#
  - 1...Ba4
    - 2.b8Q#
    - 2.b8B#
  - 1...Bb5
    - 2.b8Q#
    - 2.b8B#
  - 1...Bc6
    - 2.b8Q#
    - 2.b8B#
  - 1...Sg6
    - 2.b8Q#
    - 2.b8B#
  - 1...Sh7
    - 2.b8Q#
    - 2.b8B#
  - 1...b5
    - 2.b8Q#
    - 2.b8B#
  - 1...e5
    - 2.b8Q#
    - 2.b8B#
  - 1...f6
    - 2.b8Q#
    - 2.b8B#
  - 1...Sd7!
Keys
- 1.f6!
  - threat
    - 2.Bc7#
  - 1...Bd7
    - 2.cxb7
      - threat
        3.b8Q#
        3.b8B#
  - 1...Sd7
    - 2.c7
      - threat
        3.c8S#

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