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Problem Display

PID: 231929 (8/8/6N1/5Bn1/6P1/7k/6R1/5K2 w - - 0 1)

Berkenbusch, Helmut

Massmann, Wilhelm Karl Heinrich

Deutsche Schachblatter, 1937

8/8/6N1/5Bn1/6P1/7k/6R1/5K2

#4

5 + 2

6490	yacpdb	2021

SOLUTION

SOUND
Keys
- 1.Bd7!
  - threat
    - 2.Bf5
      - 2...Sf3
        3.g5#
      - 2...Se4
        3.g5#
      - 2...Se6
        3.g5#
      - 2...Sf7
        3.g5#
      - 2...Sh7
        3.g5#
  - 1...Se6
    - 2.Bc8
      - 2...Sd4
        3.g5+
        3...Sf5
        4.Bxf5#
        3...Se6
        4.Bxe6#
      - 2...Sf4
        3.g5+
        3...Se6
        4.Bxe6#
      - 2...Sc5
        3.g5+
        3...Se6
        4.Bxe6#
        3...Sd7
        4.Bxd7#
        3.Bf5
        threat
        4.g5#
      - 2...Sg5
        3.Bf5
        3...Sf3
        4.g5#
        3...Se4
        4.g5#
        3...Se6
        4.g5#
        3...Sf7
        4.g5#
        3...Sh7
        4.g5#
      - 2...Sc7
        3.g5+
        3...Se6
        4.Bxe6#
        3.Bf5
        threat
        4.g5#
      - 2...Sg7
        3.g5+
        3...Sf5
        4.Bxf5#
        3...Se6
        4.Bxe6#
      - 2...Sd8
        3.g5+
        3...Se6
        4.Bxe6#
        3.Bf5
        threat
        4.g5#
      - 2...Sf8
        3.g5+
        3...Se6
        4.Bxe6#
        3...Sd7
        4.Bxd7#

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