Problem Display
PID: 179493 (8/2ppp1Kp/2pbk1b1/2pNp1n1/1r4P1/1N6/B4nQ1/8 w - - 0 1)

Davidenko, Fedor Vasilevich

4th Prize, Vladimirov (Yakov)-80 JT, 2015

8/2ppp1Kp/2pbk1b1/2pNp1n1/1r4P1/1N6/B4nQ1/8

#4

6 + 13


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Qe4!
      • threat
        • 2.Sf4#
      • 1...Rxe4
        • 2.Sxc7+
          • 2...Bxc7
            • 3.Sxc5+
              • 3...Kd6
                • 4.Sb7#
      • 1...Bxe4
        • 2.Sxc5+
          • 2...Bxc5
            • 3.Sxc7+
              • 3...Kd6
                • 4.Se8#
      • 1...Sfxe4
        • 2.Sd4+
          • 2...exd4
            • 3.Sf4+
              • 3...Ke5
                • 4.Sd3#
      • 1...Sgxe4
        • 2.Sf4+
          • 2...exf4
            • 3.Sd4+
              • 3...Ke5
                • 4.Sf3#

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).