Problem Display
PID: 257795 (8/8/4N3/2p5/2K5/3p4/3R4/1k6 w - - 0 1)

Rozhkov, P

Zadachi i Etyudi, 2007

8/8/4N3/2p5/2K5/3p4/3R4/1k6

#4

3 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sd4!
      • 1...Ka1
        • 2.Sb3+
          • 2...Kb1
            • 3.Kc3
              • 3...c4
                • 4.Rb2#
        • 2.Kb3
          • threat
            • 3.Rd1#
          • 2...c4+
            • 3.Ka3
              • threat
                • 4.Rd1#
              • 3...Kb1
                • 4.Rd1#
        • 2.Kc3
          • threat
            • 3.Sb3+
              • 3...Kb1
                • 4.Rb2#
          • 2...cxd4+
            • 3.Kb3
              • 3...Kb1
                • 4.Rd1#
          • 2...Kb1
            • 3.Sb3
              • 3...c4
                • 4.Rb2#
          • 2...c4
            • 3.Rb2
              • 3...d2
                • 4.Sc2#
      • 1...Kc1
        • 2.Sb3+
          • 2...Kb1
            • 3.Kc3
              • 3...c4
                • 4.Rb2#
      • 1...cxd4
        • 2.Kb3
          • threat
            • 3.Rd1#
          • 2...Kc1
            • 3.Rxd3
              • 3...Kb1
                • 4.Rd1#

FEATURES


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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).