Problem Display
PID: 247330 (r7/N2B1ppb/8/2R3B1/1k2N3/npp5/2rpK3/3n4 w - - 0 1)

Tkachenko, Sergiy Ivanovich

Uralski Problemist, 2006

r7/N2B1ppb/8/2R3B1/1k2N3/npp5/2rpK3/3n4

#4

6 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Be7!
      • threat
        • 2.Rb5+
          • 2...Kc4
            • 3.Sd6+
              • 3...Kd4
                • 4.Sc6#
      • 1...Rxa7
        • 2.Rc7+
          • 2...Ka5
            • 3.Rxa7+
              • 3...Kb6
                • 4.Bc5#
      • 1...Bxe4
        • 2.Re5+
          • 2...Kc4
            • 3.Rxe4+
              • 3...Kd5
                • 4.Bc6#
      • 1...Sb5
        • 2.Rxb5+
          • 2...Kc4
            • 3.Sd6+
              • 3...Kd4
                • 4.Sc6#
      • 1...Rc8
        • 2.Rc6+
          • 2...Ka5
            • 3.Bxc8
              • threat
                • 4.Ra6#
              • 3...Ka4
                • 4.Ra6#
      • 1...g5
        • 2.Rb5+
          • 2...Kc4
            • 3.Sd6+
              • 3...Kd4
                • 4.Sc6#
                • 4.Bf6#
      • 1...g6
        • 2.Rb5+
          • 2...Kc4
            • 3.Sd6+
              • 3...Kd4
                • 4.Sc6#
                • 4.Bf6#

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).