Problem Display
PID: 209812 (6b1/2p5/4p1P1/2pkN3/5B2/1pP2K2/5bQ1/7n w - - 0 1)

Bayer, Konrad

Illustrirte Zeitung, 1873

6b1/2p5/4p1P1/2pkN3/5B2/1pP2K2/5bQ1/7n

#4

6 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qd8#
      • 1...c4
        • 2.Qe7
          • threat
            • 3.Qd7+
              • 3...Kc5
                • 4.Qc6#
            • 3.Qxc7
              • threat
                • 4.Qc6#
          • 2...Be1
            • 3.Qd7+
              • 3...Kc5
                • 4.Be3#
                • 4.Qc6#
          • 2...Be3
            • 3.Qd7+
              • 3...Kc5
                • 4.Bxe3#
                • 4.Qc6#
          • 2...Bg3
            • 3.Qd7+
              • 3...Kc5
                • 4.Be3#
                • 4.Qc6#
          • 2...Bb6
            • 3.Qd7+
              • 3...Kc5
                • 4.Be3#
                • 4.Qc6#
          • 2...c6
            • 3.Qd7+
              • 3...Kc5
                • 4.Qxc6#
            • 3.Sg4
              • threat
                • 4.Sf6#
                • 4.Qd6#
            • 3.Sd7
              • threat
                • 4.Sf6#
                • 4.Qd6#
            • 3.Qc7
              • threat
                • 4.Qxc6#
              • 3...Kc5
                • 4.Qxc6#
              • 3...c5
                • 4.Qd8#
                • 4.Qc6#
                • 4.Qd7#
      • 1...Bh4
        • 2.c4+
          • 2...Kd4
            • 3.Bc1
              • threat
                • 4.Bb2#
                • 4.Qe3#
              • 3...Kc3
                • 4.Qd2#
          • 2...Kd6
            • 3.Qxh4
              • threat
                • 4.Qd8#

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).