Problem Display
PID: 208414 (3Q4/6pb/2P2p2/4p3/2p1k1p1/N5K1/5P2/8 w - - 0 1)

Brown, Theodore Morris

Davenport Daily Gazette (Davenport, Iowa), 1859

3Q4/6pb/2P2p2/4p3/2p1k1p1/N5K1/5P2/8

#5

5 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qd7!
      • threat
        • 2.Sxc4
          • threat
            • 3.Sd2#
        • 2.Sb1
          • threat
            • 3.Sd2#
            • 3.Sc3#
          • 2...c3
            • 3.Sxc3#
        • 2.Sb5
          • threat
            • 3.Sc3#
          • 2...c3
            • 3.Sxc3#
      • 1...Bg8
        • 2.Sb5
          • threat
            • 3.Sc3#
          • 2...Bd5
            • 3.Qxg4+
              • 3...Kd3
                • 4.Qd1+
                  • 4...Ke4
                    • 5.Sd6#
                    • 5.Qc2#
                    • 5.Qf3#
                    • 5.Qb1#
      • 1...f5
        • 2.Sxc4
          • threat
            • 3.Sd2#
          • 2...f4+
            • 3.Kg2
              • threat
                • 4.Sd2#
              • 3...f3+
                • 4.Kg3
                  • threat
                    • 5.Sd2#
        • 2.Sb1
          • threat
            • 3.Sd2#
            • 3.Sc3#
          • 2...f4+
            • 3.Kg2
              • threat
                • 4.Sd2#
                • 4.Sc3#
              • 3...f3+
                • 4.Kg3
                  • threat
                    • 5.Sd2#
                    • 5.Sc3#
                  • 4...c3
                    • 5.Sxc3#
        • 2.Sb5
          • threat
            • 3.Sc3#
          • 2...f4+
            • 3.Kg2
              • threat
                • 4.Sc3#
              • 3...f3+
                • 4.Kg3
                  • threat
                    • 5.Sc3#
                  • 4...c3
                    • 5.Sxc3#

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).