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Problem Display

PID: 211766 (k1b5/P7/3n4/8/4R3/8/5Q2/6K1 w - - 0 1)

Kraemer, Wilhelm

Funkschach, 1927

k1b5/P7/3n4/8/4R3/8/5Q2/6K1

#3

4 + 3

6490	yacpdb	2020

SOLUTION

SOUND
Keys
- 1.Qb6!
  - threat
    - 2.Qb8#
  - 1...Bb7
    - 2.Re7
      - 2...Bh1
        3.Qb8#
      - 2...Bg2
        3.Qb8#
      - 2...Bf3
        3.Qb8#
      - 2...Be4
        3.Qb8#
      - 2...Bd5
        3.Qb8#
      - 2...Ba6
        3.Qb8#
      - 2...Bc6
        3.Qb8#
      - 2...Bc8
        3.Qb8#
      - 2...Sc4
        3.Qxb7#
      - 2...Se4
        3.Qxb7#
      - 2...Sb5
        3.Qxb7#
      - 2...Sf5
        3.Qxb7#
      - 2...Sf7
        3.Qxb7#
      - 2...Sc8
        3.Qxb7#
      - 2...Se8
        3.Qxb7#
    - 2.Qc7
      - threat
        3.Qb8#
      - 2...Kxa7
        3.Ra4#
  - 1...Sb7
    - 2.Rb4
      - 2...Bh3
        3.Qxb7#
      - 2...Bg4
        3.Qxb7#
      - 2...Bf5
        3.Qxb7#
      - 2...Be6
        3.Qxb7#
      - 2...Bd7
        3.Qxb7#
      - 2...Sa5
        3.Qb8#
      - 2...Sc5
        3.Qb8#
      - 2...Sd6
        3.Qb8#
      - 2...Sd8
        3.Qb8#
    - 2.Re8
      - threat
        3.Rxc8#
      - 2...Sd6
        3.Qb8#
      - 2...Sd8
        3.Qb8#
    - 2.Qc7
      - threat
        3.Qb8#
      - 2...Kxa7
        3.Ra4#

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).