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Problem Display

PID: 211758 (8/3p1Nk1/3K4/6N1/5R2/8/B7/8 w - - 0 1)

Kock, K

Arbeiter Shachzeitung (Chemnitz), 1927

8/3p1Nk1/3K4/6N1/5R2/8/B7/8

#3

5 + 2

6490	yacpdb	2020

SOLUTION

SOUND
Tries
- 1.Sh7?
  - threat
    - 2.Rg4+
      - 2...Kxh7
        3.Bb1#
  - 1...Kg6
    - 2.Rg4+
      - 2...Kf5
        3.Sh6#
      - 2...Kh5
        3.Sf6#
      - 2...Kxh7
        3.Bb1#
  - 1...Kg8
    - 2.Rg4+
      - 2...Kxh7
        3.Bb1#
  - 1...Kxh7!
Keys
- 1.Rg4!
  - threat
    - 2.Sh7+
      - 2...Kxh7
        3.Bb1#
  - 1...Kf6
    - 2.Se4+
      - 2...Kf5
        3.Sh6#
    - 2.Sh7+
      - 2...Kf5
        3.Sh6#
  - 1...Kg6
    - 2.Se4+
      - 2...Kf5
        3.Sh6#
      - 2...Kh5
        3.Sf6#
      - 2...Kh7
        3.Sf6#
    - 2.Sh7+
      - 2...Kf5
        3.Sh6#
      - 2...Kh5
        3.Sf6#
      - 2...Kxh7
        3.Bb1#
  - 1...Kf8
    - 2.Sf3
      - 2...Ke8
        3.Rg8#
    - 2.Sh3
      - 2...Ke8
        3.Rg8#
    - 2.Se4
      - 2...Ke8
        3.Rg8#
    - 2.Sh7+
      - 2...Ke8
        3.Re4#
        3.Rg8#
  - 1...Kg8
    - 2.Sh7+
      - 2...Kxh7
        3.Bb1#

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