Problem Display
PID: 265504 (8/p1N3pR/1pp3R1/2k2p2/5P2/2K1N3/8/8 w - - 0 1)

Rakov, E

Zadachi i Etyudi, 2010

8/p1N3pR/1pp3R1/2k2p2/5P2/2K1N3/8/8

#4

6 + 6


  • SOUND
  • Keys
    • 1.Rh1!
      • threat
        • 2.Sa6+
          • 2...Kb5
            • 3.Ra1
              • 3...c5
                • 4.Sc7#
        • 2.Rb1
          • threat
            • 3.Sa6#
          • 2...b5
            • 3.Rxb5+
              • 3...cxb5
                • 4.Sa6#
      • 1...b5
        • 2.Sed5
          • threat
            • 3.Kd3
              • threat
                • 4.Rc1#
              • 3...cxd5
                • 4.Sa6#
            • 3.Rc1
              • threat
                • 4.Kd3#
              • 3...cxd5
                • 4.Sa6#
          • 2...b4+
            • 3.Kd3
              • threat
                • 4.Rc1#
          • 2...a6
            • 3.Kd3
              • threat
                • 4.Rc1#
              • 3...cxd5
                • 4.Sxa6#
            • 3.Rc1
              • threat
                • 4.Kd3#
              • 3...cxd5
                • 4.Sxa6#
      • 1...a6
        • 2.Sxa6+
          • 2...Kb5
            • 3.Ra1
              • 3...c5
                • 4.Sc7#


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).