Problem Display
PID: 215204 (4Q3/7K/7n/1p6/k2p2R1/7p/n7/1NN1b2r w - - 0 1)

Chocolous, Jiri

Illustrirte Zeitung, 1880

4Q3/7K/7n/1p6/k2p2R1/7p/n7/1NN1b2r

#4

5 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qa3#
      • 1...b4
        • 2.Qd7+
          • 2...Ka5
            • 3.Sb3+
              • 3...Ka6
                • 4.Rg6#
              • 3...Kb6
                • 4.Rg6#
      • 1...Bb4
        • 2.Qa7+
          • 2...Ba5
            • 3.Qxd4+
              • 3...Bb4
                • 4.Qa7#
              • 3...Sb4
                • 4.Qa1#
              • 3...b4
                • 4.Qd7#
      • 1...Sb4
        • 2.Qa7+
          • 2...Sa6
            • 3.Rxd4+
              • 3...Ka5
                • 4.Sb3#
              • 3...Bb4
                • 4.Qxa6#
              • 3...b4
                • 4.Qxa6#
        • 2.Rxd4
          • threat
            • 3.Qa7#
          • 2...Ka5
            • 3.Qa7+
              • 3...Sa6
                • 4.Sb3#

FEATURES


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