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Problem Display

PID: 192306 (4k3/1P5P/4K3/8/3b1b2/8/4R3/8 w - - 0 1)

Blumenthal, Oscar

Deutsches Wochenschach, 1917

4k3/1P5P/4K3/8/3b1b2/8/4R3/8

#3

4 + 3

6490	yacpdb	2019

SOLUTION

SOUND
Sets
- 1...Bg1
  - 2.h8Q#
  - 2.h8R#
- 1...Bf2
  - 2.h8Q#
  - 2.h8R#
- 1...Bde3
  - 2.h8Q#
  - 2.h8R#
- 1...Bde5
  - 2.b8Q+
    - 2...Bxb8
      - 3.h8Q#
      - 3.h8R#
  - 2.b8R+
    - 2...Bxb8
      - 3.h8Q#
      - 3.h8R#
- 1...Bb6
  - 2.h8Q#
  - 2.h8R#
- 1...Ba7
  - 2.h8Q#
  - 2.h8R#
- 1...Bc1
  - 2.b8Q#
  - 2.b8R#
- 1...Bd2
  - 2.b8Q#
  - 2.b8R#
- 1...Bfe3
  - 2.b8Q#
  - 2.b8R#
- 1...Bfe5
  - 2.h8Q+
    - 2...Bxh8
      - 3.b8Q#
      - 3.b8R#
  - 2.h8R+
    - 2...Bxh8
      - 3.b8Q#
      - 3.b8R#
- 1...Bh6
  - 2.b8Q#
  - 2.b8R#
Keys
- 1.Re5!
  - threat
    - 2.b8Q#
    - 2.b8R#
    - 2.h8Q#
    - 2.h8R#
  - 1...Bdxe5
    - 2.b8Q+
      - 2...Bxb8
        3.h8Q#
        3.h8R#
    - 2.b8R+
      - 2...Bxb8
        3.h8Q#
        3.h8R#
  - 1...Bfxe5
    - 2.h8Q+
      - 2...Bxh8
        3.b8Q#
        3.b8R#
    - 2.h8R+
      - 2...Bxh8
        3.b8Q#
        3.b8R#

FEATURES

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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).