Problem Display
PID: 182866 (2Nk4/8/4p2K/8/5P2/8/2R5/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

La Strategie, 1907

2Nk4/8/4p2K/8/5P2/8/2R5/8

#4

4 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Kg6!
      • 1...Kd7
        • 2.Kf6
          • 2...Kd8
            • 3.Sb6
              • threat
                • 4.Rc8#
              • 3...Ke8
                • 4.Rc8#
          • 2...Ke8
            • 3.Sb6
              • threat
                • 4.Rc8#
              • 3...Kd8
                • 4.Rc8#
              • 3...Kf8
                • 4.Rc8#
          • 2...e5
            • 3.Sb6+
              • 3...Kd6
                • 4.fxe5#
              • 3...Kd8
                • 4.Rc8#
              • 3...Ke8
                • 4.Rc8#
      • 1...Ke8
        • 2.Rd2
          • 2...e5
            • 3.fxe5
              • 3...Kf8
                • 4.Rd8#
      • 1...e5
        • 2.Kf6
          • threat
            • 3.Sb6
              • threat
                • 4.Rc8#
              • 3...Ke8
                • 4.Rc8#
          • 2...Kd7
            • 3.Sb6+
              • 3...Kd6
                • 4.fxe5#
              • 3...Kd8
                • 4.Rc8#
              • 3...Ke8
                • 4.Rc8#
          • 2...Ke8
            • 3.Sb6
              • threat
                • 4.Rc8#
              • 3...Kd8
                • 4.Rc8#
              • 3...Kf8
                • 4.Rc8#

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).