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Problem Display

PID: 27086 (4kbNR/ppBnppR1/r4p2/5N2/5p1K/5Q1B/8/q1n5 w - - 0 1)

Drese, Gerardus Hendrikus

Niemeijer, Meindert

Adversaria, 1975

4kbNR/ppBnppR1/r4p2/5N2/5p1K/5Q1B/8/q1n5

#3

8 + 12

SOLUTION

SOUND
Sets
- 1...Bxg7
  - 2.Sxf6#
- 1...b6
  - 2.Qb7
    - threat
      - 3.Qc8#
- 1...e5
  - 2.Qxb7
    - threat
      - 3.Qc8#
    - 2...Be7
      - 3.Sxf6#
    - 2...Sb6
      - 3.Sxf6#
- 1...e6
  - 2.Qh5
    - threat
      - 3.Qxf7#
    - 2...Bxg7
      - 3.Sxf6#
    - 2...Se5
      - 3.Sxf6#
Tries
- 1.Rg1?
  - threat
    - 2.Sg7+
      - 2...Bxg7
        3.Sxf6#
  - 1...e5
    - 2.Qxb7
      - threat
        3.Qc8#
      - 2...Be7
        3.Sxf6#
      - 2...Sb6
        3.Sxf6#
  - 1...e6!
- 1.Rg2?
  - threat
    - 2.Sg7+
      - 2...Bxg7
        3.Sxf6#
  - 1...e5
    - 2.Qxb7
      - threat
        3.Qc8#
      - 2...Be7
        3.Sxf6#
      - 2...Sb6
        3.Sxf6#
  - 1...e6!
- 1.Rg3?
  - threat
    - 2.Sg7+
      - 2...Bxg7
        3.Sxf6#
  - 1...e5
    - 2.Qxb7
      - threat
        3.Qc8#
      - 2...Be7
        3.Sxf6#
      - 2...Sb6
        3.Sxf6#
  - 1...e6!
Keys
- 1.Rgh7!
  - threat
    - 2.Sg7+
      - 2...Bxg7
        3.Sxf6#
  - 1...e5
    - 2.Qxb7
      - threat
        3.Qc8#
      - 2...Be7
        3.Sxf6#
      - 2...Sb6
        3.Sxf6#
  - 1...e6
    - 2.Qh5
      - threat
        3.Qxf7#
      - 2...Bg7
        3.Sxf6#
      - 2...Se5
        3.Sxf6#

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