Problem Display
PID: 256840 (n4B1K/2p1RppN/P1pk1p2/2R5/PPP5/3P1pb1/4nPr1/5N2 w - - 0 1)

Khachaturov, Sergei

3/4 Prize, Havel-140 MT (Kudesnik), 2020-2021

n4B1K/2p1RppN/P1pk1p2/2R5/PPP5/3P1pb1/4nPr1/5N2

#4

12 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.d4!
      • threat
        • 2.Rd5+
          • 2...cxd5
            • 3.c5+
              • 3...Kc6
                • 4.b5#
      • 1...Sxd4
        • 2.Sd2
          • threat
            • 3.Se4#
          • 2...f5
            • 3.Rxf7+
              • 3...Ke6
                • 4.Sg5#
      • 1...Sc3
        • 2.Se3
          • threat
            • 3.Sf5#
          • 2...g6
            • 3.Re8+
              • 3...Kd7
                • 4.Sxf6#

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).