Problem Display
PID: 257161 (3NK3/1PpNp3/1pBkPPp1/3p3p/5P2/P4p1b/2P2b2/8 w - - 0 1)

Feoktistov, Aleksandr Fedorovich

3rd Prize, Buletin Problemistic, 1975

3NK3/1PpNp3/1pBkPPp1/3p3p/5P2/P4p1b/2P2b2/8

#4

10 + 10


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.b8S!
      • threat
        • 2.f7
          • threat
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
      • 1...exf6
        • 2.f5
          • threat
            • 3.Sb7#
            • 3.Sf7#
          • 2...Bxf5
            • 3.Sf7+
              • 3...Kxe6
                • 4.Sf8#
          • 2...gxf5
            • 3.Sf7+
              • 3...Kxe6
                • 4.Sf8#
            • 3.Kf7
              • threat
                • 4.Sb7#
      • 1...Bg1
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qxe7#
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
            • 3.f8B
              • threat
                • 4.Bxe7#
      • 1...Be3
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qxe7#
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
            • 3.f8B
              • threat
                • 4.Bxe7#
      • 1...Bd4
        • 2.c4
          • threat
            • 3.cxd5
              • threat
                • 4.Sb7#
                • 4.Sf7#
          • 2...dxc4
            • 3.Sf8
              • threat
                • 4.Sb7#
              • 3...Kc5
                • 4.Sb7#
      • 1...Bf1
        • 2.fxe7
          • threat
            • 3.Kf7
              • threat
                • 4.Sb7#
                • 4.e8S#
            • 3.Kf8
              • threat
                • 4.e8S#
        • 2.Kf7
          • threat
            • 3.Sb7#
          • 2...Ba6
            • 3.fxe7
              • threat
                • 4.e8S#
        • 2.f7
          • threat
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
          • 2...Ba6
            • 3.f8S
              • threat
                • 4.Sf7#
      • 1...Bf5
        • 2.f7
          • threat
            • 3.Sb7+
              • 3...Kxe6
                • 4.f8S#
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
      • 1...h4
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qxe7#
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
            • 3.f8B
              • threat
                • 4.Bxe7#
      • 1...b5
        • 2.f7
          • threat
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
          • 2...Ba7
            • 3.f8Q
              • threat
                • 4.Qxe7#
            • 3.f8B
              • threat
                • 4.Bxe7#
      • 1...g5
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qxe7#
            • 3.f8S
              • threat
                • 4.Sb7#
                • 4.Sf7#
            • 3.f8B
              • threat
                • 4.Bxe7#
          • 2...Bf5
            • 3.Sb7+
              • 3...Kxe6
                • 4.f8S#

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).