Problem Display
PID: 246987 (8/8/p2p2p1/N3p1p1/3pk1P1/1Q4P1/P2P2p1/6Kb w - - 0 1)

Johner, Hans

von Wardener, Friedrich Freiherr

Neue Zurcher Zeitung, 1957

8/8/p2p2p1/N3p1p1/3pk1P1/1Q4P1/P2P2p1/6Kb

#4

7 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.a4!
      • 1...d3
        • 2.Qf7
          • 2...d5
            • 3.Qf8
              • 3...Kd4
                • 4.Qb4#
              • 3...d4
                • 4.Qa8#
      • 1...d5
        • 2.Qa3
          • 2...d3
            • 3.Qf8
              • 3...Kd4
                • 4.Qb4#
              • 3...d4
                • 4.Qa8#

FEATURES


NOT CLASSIFIED


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).