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Problem Display

PID: 140424 (8/3pk3/1pB1P1p1/p5p1/3B2K1/1pQ5/8/8 w - - 0 1)

Roche, Jean

Probleemblad, 1976

8/3pk3/1pB1P1p1/p5p1/3B2K1/1pQ5/8/8

#3

5 + 7

SOLUTION

SOUND
Tries
- 1.Bxd7?
  - threat
    - 2.Bf6+
      - 2...Kd6
        3.Qe5#
        3.Qc6#
      - 2...Kf8
        3.Qc8#
  - 1...Kd6
    - 2.Bf6
      - threat
        3.Qe5#
        3.Qc6#
      - 2...Kd5
        3.Qd4#
        3.Qc6#
  - 1...Kf8!
Keys
- 1.exd7!
  - 1...Kd6
    - 2.d8Q+
      - 2...Ke6
        3.Bd5#
        3.Qf6#
        3.Qxb3#
        3.Qc4#
        3.Qd7#
  - 1...Ke6
    - 2.d8Q
      - threat
        3.Bd5#
        3.Qf6#
        3.Qxb3#
        3.Qc4#
        3.Qd7#
      - 2...Kf7
        3.Bd5#
        3.Qxb3#
        3.Qc4#
        3.Qe8#
  - 1...Kf7
    - 2.d8Q
      - threat
        3.Bd5#
        3.Qxb3#
        3.Qc4#
        3.Qe8#
      - 2...Ke6
        3.Bd5#
        3.Qf6#
        3.Qxb3#
        3.Qc4#
        3.Qd7#
  - 1...Kd8
    - 2.Bf6+
      - 2...Kc7
        3.d8Q#
  - 1...Kf8
    - 2.d8Q+
      - 2...Kf7
        3.Bd5#
        3.Qxb3#
        3.Qc4#
        3.Qe8#
  - 1...b2
    - 2.Qa3+
      - 2...Ke6
        3.d8S#
      - 2...Kf7
        3.Bd5#
      - 2...Kd8
        3.Bxb6#
  - 1...a4
    - 2.Qb4+
      - 2...Ke6
        3.d8S#
      - 2...Kf7
        3.Bd5#
      - 2...Kd8
        3.Bxb6#
  - 1...b5
    - 2.Bc5+
      - 2...Ke6
        3.d8S#
      - 2...Kf7
        3.Bd5#
      - 2...Kd8
        3.Qxa5#

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