Problem Display
PID: 267481 (2B4b/p3B3/p4p1p/4k1pR/2Pp1p2/3KpR1P/8/8 w - - 0 1)

Tyunin, Aleksandr Dmitrevich

Zadachi i Etyudi, 2013

2B4b/p3B3/p4p1p/4k1pR/2Pp1p2/3KpR1P/8/8

#4

7 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Rf1!
      • threat
        • 2.Ra1
          • threat
            • 3.Ra5#
          • 2...f3
            • 3.Ra5+
              • 3...Kf4
                • 4.Bd6#
      • 1...a5
        • 2.Rb1
          • threat
            • 3.Rb5#
          • 2...f3
            • 3.Rb5+
              • 3...Kf4
                • 4.Bd6#
          • 2...a6
            • 3.Rb6
              • threat
                • 4.Bd6#
              • 3...f5
                • 4.Re6#
      • 1...f5
        • 2.Rxh6
          • threat
            • 3.Bd6#
            • 3.Re6#
          • 2...Bf6
            • 3.Rxf6
              • threat
                • 4.Rxf5#
                • 4.Re6#

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).