Problem Display
PID: 133804 (8/8/8/8/7n/6N1/5R1p/1K4kN w - - 0 1)

Antipov, Viacheslav Pavlovich

Nikitin, Vladimir V

Novgorodskaya pravda, 1985

8/8/8/8/7n/6N1/5R1p/1K4kN

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sf1!
      • threat
        • 2.Se3
          • threat
            • 3.Rf1#
          • 2...Kxh1
            • 3.Rf1#
      • 1...Kxh1
        • 2.Se3
          • threat
            • 3.Rf1#
          • 2...Sf3
            • 3.Rxf3
              • 3...Kg1
                • 4.Rf1#
      • 1...Sf3
        • 2.Se3
          • threat
            • 3.Rf1#
          • 2...Sd2+
            • 3.Rxd2
              • 3...Kxh1
                • 4.Rd1#
          • 2...Kxh1
            • 3.Rxf3
              • 3...Kg1
                • 4.Rf1#
      • 1...Sg2
        • 2.Ka2
          • 2...Kxh1
            • 3.Sg3+
              • 3...Kg1
                • 4.Rf1#
          • 2...Se1
            • 3.Se3
              • threat
                • 4.Rf1#
              • 3...Kxh1
                • 4.Rf1#
          • 2...Se3
            • 3.Sxe3
              • 3...Kxh1
                • 4.Rf1#
          • 2...Sf4
            • 3.Se3
              • threat
                • 4.Rf1#
              • 3...Kxh1
                • 4.Rf1#
          • 2...Sh4
            • 3.Se3
              • threat
                • 4.Rf1#
              • 3...Kxh1
                • 4.Rf1#
      • 1...Sf5
        • 2.Rxf5
          • threat
            • 3.Se3
              • 3...Kxh1
                • 4.Rf1#
          • 2...Kxh1
            • 3.Se3
              • 3...Kg1
                • 4.Rf1#
          • 2...Kg2
            • 3.Se3+
              • 3...Kg1
                • 4.Rf1#
              • 3...Kxh1
                • 4.Rf1#
              • 3...Kh3
                • 4.Rh5#

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).