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Problem Display

PID: 155786 (K5R1/pNp1k3/1B1pP1R1/8/2N2P2/b2rp3/4n3/1q6 w - - 0 1)

van der Kraan, Petrus Adrianus

Aarsskrift for DSK, 1936

K5R1/pNp1k3/1B1pP1R1/8/2N2P2/b2rp3/4n3/1q6

#3

8 + 9

SOLUTION

SOUND
Sets
- 1...Qa2
  - 2.Bxc7
    - threat
      - 3.Bd8#
- 1...Qc2
  - 2.Bxc7
    - threat
      - 3.Bd8#
- 1...Qc1
  - 2.Bxc7
    - threat
      - 3.Bd8#
- 1...Qd1
  - 2.Bxc7
    - threat
      - 3.Bd8#
- 1...Qf1
  - 2.Bxc7
    - threat
      - 3.Bd8#
- 1...c5
  - 2.Bd8#
- 1...c6
  - 2.Bd8#
Tries
- 1.Sd8?
  - threat
    - 2.Sc6#
  - 1...Qxb6
    - 2.Sxb6
      - threat
        3.Sc8#
        3.Sc6#
    - 2.R6g7+
      - 2...Kf6
        3.Rf7#
  - 1...Qb5
    - 2.R6g7+
      - 2...Kf6
        3.Rf7#
  - 1...Sd4
    - 2.R6g7+
      - 2...Kf6
        3.Rf7#
  - 1...Qh1+!
- 1.Bxc7?
  - threat
    - 2.Bd8#
  - 1...Qb6
    - 2.Sxb6
      - threat
        3.Sc8#
        3.Bd8#
  - 1...Qxb7+!
- 1.R8g7+?
  - 1...Kf8
    - 2.Rf7+
      - 2...Ke8
        3.Rg8#
  - 1...Ke8!
Keys
- 1.f5!
  - threat
    - 2.R6g7+
      - 2...Kf6
        3.Rf7#
  - 1...Qa1
    - 2.Bxc7
      - threat
        3.Bd8#
  - 1...Qg1
    - 2.Bxc7
      - threat
        3.Bd8#
  - 1...Qb2
    - 2.Sd8
      - threat
        3.Sc6#
      - 2...Qxb6
        3.f6#
      - 2...Qb5
        3.f6#
      - 2...Sd4
        3.f6#
      - 2...c6
        3.Sxc6#
  - 1...Bb2
    - 2.Bxc7
      - threat
        3.Bd8#

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