Problem Display
PID: 93509 (2K3n1/1N2p1Pp/P1pp2pr/3k3p/4R3/8/8/6BB w - - 0 1)

Stolyarov, Vitaly Nesterovich

Shakhmaty v SSSR, 1980

2K3n1/1N2p1Pp/P1pp2pr/3k3p/4R3/8/8/6BB

#4

7 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sd8!
      • threat
        • 2.Se6
          • threat
            • 3.Sf4#
            • 3.Sc7#
          • 2...c5
            • 3.Kb7
              • threat
                • 4.Sf4#
                • 4.Sc7#
      • 1...Sf6
        • 2.Rg4+
          • 2...Ke5
            • 3.Rg5+
              • 3...Kf4
                • 4.Se6#
          • 2...Se4
            • 3.g8Q+
              • 3...Ke5
                • 4.Qe6#
              • 3...e6
                • 4.Qxe6#
      • 1...g5
        • 2.Rh4+
          • 2...Ke5
            • 3.Bd4+
              • 3...Kf5
                • 4.Be4#
      • 1...e5
        • 2.Rd4+
          • 2...Kc5
            • 3.Ra4+
              • 3...Kb5
                • 4.Bxc6#
      • 1...e6
        • 2.Sxe6
          • threat
            • 3.Sf4#
            • 3.Sc7#
          • 2...Se7+
            • 3.Kb7
              • threat
                • 4.Sf4#
                • 4.Sc7#
            • 3.Kd7
              • threat
                • 4.Sf4#
                • 4.Sc7#
          • 2...c5
            • 3.Kb7
              • threat
                • 4.Sf4#
                • 4.Sc7#

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).