Problem Display
PID: 272604 (8/2p5/n1N2p2/rp3p2/b3p1p1/1p2R3/1N2PP2/2B1k1K1 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Tkachenko, Sergiy Ivanovich

Variantim, 2023

8/2p5/n1N2p2/rp3p2/b3p1p1/1p2R3/1N2PP2/2B1k1K1

#4

7 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.f4!
      • threat
        • 2.Sd4
          • threat
            • 3.Sf3+
              • 3...exf3
                • 4.exf3#
              • 3...gxf3
                • 4.exf3#
          • 2...g3
            • 3.Sf3+
              • 3...exf3
                • 4.exf3#
      • 1...Sb4
        • 2.Sxb4
          • threat
            • 3.S4d3+
              • 3...exd3
                • 4.exd3#
      • 1...g3
        • 2.Sd4
          • threat
            • 3.Sf3+
              • 3...exf3
                • 4.exf3#
      • 1...b4
        • 2.Sxa5
          • threat
            • 3.Sac4
              • threat
                • 4.Bd2#
          • 2...Bb5
            • 3.Sxb3
              • threat
                • 4.Bd2#

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).