Problem Display
PID: 157203 (8/1p2B3/7N/4kB1p/2Pp1p1p/pP5P/3PPP2/R3K2R w QK - 0 1)

Fomichev, Evgeny Vasilevich

The Problemist, 2015

8/1p2B3/7N/4kB1p/2Pp1p1p/pP5P/3PPP2/R3K2R

#4

12 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.e4!
      • threat
        • 2.Sf7#
      • 1...dxe4 ep
        • 2.d4+
          • 2...Kxd4
            • 3.0-0-0+
              • 3...Kc3
                • 4.Rd3#
              • 3...Ke5
                • 4.Rd5#
      • 1...fxe4 ep
        • 2.f4+
          • 2...Kxf4
            • 3.0-0+
              • 3...Kg3
                • 4.Bd6#
              • 3...Ke5
                • 4.Sf7#
      • 1...d3
        • 2.Sf7+
          • 2...Kd4
            • 3.Sg5
              • threat
                • 4.Sf3#
              • 3...Ke5
                • 4.Sf3#
              • 3...f3
                • 4.Sxf3#

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).