Problem Display
PID: 251348 (4r3/3n4/1pp1Np2/5Nn1/2P1kpQp/P7/1P6/5K2 w - - 0 1)

Varitsky, Aleksandr Nikolaevich

Zadachi i Etyudi, 2004

4r3/3n4/1pp1Np2/5Nn1/2P1kpQp/P7/1P6/5K2

#4

7 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Sfg7!
      • threat
        • 2.Qe2#
      • 1...Rxe6
        • 2.Qe2+
          • 2...Kd4
            • 3.Sf5+
              • 3...Kc5
                • 4.b4#
      • 1...Sxe6
        • 2.Qe2+
          • 2...Kd4
            • 3.Sf5+
              • 3...Kc5
                • 4.b4#
      • 1...Sf3
        • 2.Qg2
          • threat
            • 3.Qe2#
          • 2...Ke5
            • 3.Qe2+
              • 3...Kd6
                • 4.Sf5#
          • 2...Rxe6
            • 3.Qe2+
              • 3...Kd4
                • 4.Sxe6#

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).