Problem Display
PID: 179482 (q2k4/3B4/PbpQp2K/p1pn3b/2N5/8/rp6/7n w - - 0 1)

Davidenko, Fedor Vasilevich

1st Prize, Radjanska Ukraina, 1985

q2k4/3B4/PbpQp2K/p1pn3b/2N5/8/rp6/7n

#4

5 + 12


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Sxc6+
          • 2...Qxc6
            • 3.Bxc6+
              • 3...Kc8
                • 4.Bb7#
        • 2.Kg7
          • threat
            • 3.Bxe6+
              • 3...Ke8
                • 4.Qf8#
                • 4.Qd7#
          • 2...Qb7
            • 3.axb7
              • threat
                • 4.Sxc6#
                • 4.Bxc6#
                • 4.b8Q#
                • 4.b8R#
          • 2...Qc8
            • 3.Bxc6+
              • 3...Qd7+
                • 4.Qxd7#
            • 3.Bxe6+
              • 3...Ke8
                • 4.Qf8#
              • 3...Qd7+
                • 4.Qxd7#
            • 3.Be8+
              • 3...Kxe8
                • 4.Qf8#
              • 3...Qd7+
                • 4.Qxd7#
          • 2...Be8
            • 3.Bxe6+
              • 3...Bd7
                • 4.Qxd7#
          • 2...Bc7
            • 3.Qf8+
              • 3...Be8
                • 4.Qxe8#
          • 2...Sf6
            • 3.Bxe6+
              • 3...Ke8
                • 4.Qf8#
              • 3...Sd7
                • 4.Qxd7#
          • 2...Se7
            • 3.Bxe6+
              • 3...Ke8
                • 4.Qd7#
      • 1...Sb4
        • 2.Bxe6+
          • 2...Ke8
            • 3.Sd7
              • threat
                • 4.Sf6#
                • 4.Qf8#
              • 3...Kd8
                • 4.Sf6#
        • 2.Kxh5
          • threat
            • 3.Sf7#
          • 2...Sg3+
            • 3.Kg4
              • threat
                • 4.Sf7#
      • 1...Sf6
        • 2.Sxc6+
          • 2...Qxc6
            • 3.Bxc6+
              • 3...Kc8
                • 4.Bb7#
              • 3...Sd7
                • 4.Qxd7#
      • 1...Sc7
        • 2.Bxe6+
          • 2...Ke8
            • 3.Bd7+
              • 3...Kd8
                • 4.Qf6#
      • 1...Se7
        • 2.Bxc6+
          • 2...Kc8
            • 3.Bd7+
              • 3...Kd8
                • 4.Qxb6#

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).