Problem Display
PID: 267482 (bB1K4/6pN/1NR3n1/2pP1kp1/5pRb/2P2BnP/1p6/1q6 w - - 0 1)

Chepizhni, Viktor Ivanovich

Rudenko, Valentin Fedorovich

Zadachi i Etyudi, 2013

bB1K4/6pN/1NR3n1/2pP1kp1/5pRb/2P2BnP/1p6/1q6

#4

10 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Sc8!
      • threat
        • 2.Sd6+
          • 2...Ke5
            • 3.Se8+
              • 3...Kf5
                • 4.Sxg7#
      • 1...Qe4
        • 2.Rf6+
          • 2...gxf6
            • 3.Rxg5+
              • 3...Bxg5
                • 4.Bg4#
              • 3...fxg5
                • 4.Bg4#
      • 1...Se4
        • 2.Se7+
          • 2...Sxe7
            • 3.Rxf4+
              • 3...gxf4
                • 4.Bg4#
      • 1...Sh5
        • 2.Re6
          • threat
            • 3.Sd6#
          • 2...Bxd5
            • 3.Bxd5
              • threat
                • 4.Sd6#
      • 1...c4
        • 2.Sd6+
          • 2...Ke5
            • 3.Sb5+
              • 3...Kf5
                • 4.Sd4#
            • 3.Se8+
              • 3...Kf5
                • 4.Sxg7#

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).