Problem Display
PID: 179481 (1bnrq3/1p3p2/1k1pP3/1P1p4/8/1QR5/8/R2K4 w - - 0 1)

Davidenko, Fedor Vasilevich

1st Prize, 64 Shakhmatnoe obozrenie, 1984

1bnrq3/1p3p2/1k1pP3/1P1p4/8/1QR5/8/R2K4

#4

6 + 9


3485 Sachova skladba 1986
6490 yacpdb 2018
  • SOUND
  • Keys
    • 1.Rc2!
      • threat
        • 2.Qe3+
          • 2...d4
            • 3.Qxd4+
              • 3...Kxb5
                • 4.Qb2#
      • 1...Qxb5
        • 2.Qxb5+
          • 2...Kxb5
            • 3.Rb1+
              • 3...Ka4
                • 4.Ra2#
              • 3...Ka5
                • 4.Ra2#
              • 3...Ka6
                • 4.Ra2#
      • 1...Qxe6
        • 2.Ra6+
          • 2...bxa6
            • 3.bxa6+
              • 3...Ka5
                • 4.Ra2#
              • 3...Kxa6
                • 4.Ra2#
              • 3...Ka7
                • 4.Qb7#
      • 1...Qh8
        • 2.Ra6+
          • 2...bxa6
            • 3.bxa6+
              • 3...Ka5
                • 4.Ra2#
              • 3...Kxa6
                • 4.Ra2#
              • 3...Ka7
                • 4.Qb7#
      • 1...d4
        • 2.Rc6+
          • 2...Qxc6
            • 3.bxc6+
              • 3...Kc5
                • 4.Rc1#
              • 3...Kxc6
                • 4.Rc1#
              • 3...Kc7
                • 4.Qxb7#
          • 2...bxc6
            • 3.bxc6+
              • 3...Kc5
                • 4.Rc1#
              • 3...Kxc6
                • 4.Rc1#
              • 3...Kc7
                • 4.Qb7#


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).