Problem Display
PID: 19915 (4K3/1R6/2ppp3/2pkp3/2ppp3/8/3Q4/8 w - - 0 1)

Peet, Jacobus

4th Prize, Deutsches Wochenschach, 1907

4K3/1R6/2ppp3/2pkp3/2ppp3/8/3Q4/8

#4

3 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rd7!
      • threat
        • 2.Rxd6+
          • 2...Kxd6
            • 3.Qa5
              • threat
                • 4.Qd8#
              • 3...Kd5
                • 4.Qd8#
      • 1...c3
        • 2.Qa2+
          • 2...c4
            • 3.Qa5+
              • 3...c5
                • 4.Qa8#
      • 1...e3
        • 2.Qg2+
          • 2...e4
            • 3.Qg5+
              • 3...e5
                • 4.Qg8#

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).