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Problem Display

PID: 232019 (8/3r4/p3N3/NkB5/pP6/P2P3p/7K/8 w - - 0 1)

Sprenger, Frederick

1st Prize, Chess Review, 1937

8/3r4/p3N3/NkB5/pP6/P2P3p/7K/8

#4

7 + 5

6490	yacpdb	2021

SOLUTION

SOUND
Keys
- 1.Kg1!
  - threat
    - 2.Kh2
      - 2...Rxd3
        3.Sc7#
      - 2...Rd4
        3.Sxd4#
        3.Sc7#
      - 2...Rd5
        3.Sc7#
      - 2...Rd6
        3.Sc7#
      - 2...Ra7
        3.Sd4#
      - 2...Rb7
        3.Sd4#
      - 2...Rc7
        3.Sd4#
        3.Sxc7#
      - 2...Re7
        3.Sd4#
      - 2...Rf7
        3.Sd4#
      - 2...Rg7
        3.Sd4#
      - 2...Rh7
        3.Sd4#
      - 2...Rd8
        3.Sc7#
  - 1...Rg7+
    - 2.Kh1
      - threat
        3.Sd4#
      - 2...Rg1+
        3.Bxg1
        3...h2
        4.Sc7#
      - 2...Rd7
        3.Kh2
        3...Rxd3
        4.Sc7#
        3...Rd4
        4.Sxd4#
        4.Sc7#
        3...Rd5
        4.Sc7#
        3...Rd6
        4.Sc7#
        3...Ra7
        4.Sd4#
        3...Rb7
        4.Sd4#
        3...Rc7
        4.Sd4#
        4.Sxc7#
        3...Re7
        4.Sd4#
        3...Rf7
        4.Sd4#
        3...Rg7
        4.Sd4#
        3...Rh7
        4.Sd4#
        3...Rd8
        4.Sc7#

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