Problem Display
PID: 246200 (4K1R1/8/1p2P2p/1Rb2Ppk/4Q1b1/5pP1/2Np4/6n1 w - - 0 1)

Erdos, Dr Geza

Schach, 1954

4K1R1/8/1p2P2p/1Rb2Ppk/4Q1b1/5pP1/2Np4/6n1

#4

8 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Se3!
      • threat
        • 2.Qxg4#
      • 1...Bxe3
        • 2.f6
          • threat
            • 3.Qg6#
          • 2...Bf5
            • 3.Qh4+
              • 3...gxh4
                • 4.g4#
      • 1...Bh3
        • 2.Sd5
          • threat
            • 3.Sf6#
          • 2...Bd4
            • 3.Qh4+
              • 3...gxh4
                • 4.Sf4#
            • 3.Qxd4
              • threat
                • 4.Sf6#
          • 2...Be7
            • 3.Qh4+
              • 3...gxh4
                • 4.Sf4#
            • 3.Kxe7
              • threat
                • 4.Sf6#
        • 2.f6
          • threat
            • 3.Qg6#
          • 2...Bf5
            • 3.Sxf5
              • threat
                • 4.Sg7#
                • 4.g4#
              • 3...g4
                • 4.Qxg4#

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).