MESON Chess Problem Database

Problem Display
PID: 262328 (8/1rp5/1pk5/1NP5/1QK5/8/8/8 w - - 0 1)

Borchardt, Siegmar

Schweizerische Schachzeitung, 2008

8/1rp5/1pk5/1NP5/1QK5/8/8/8

#4

4 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qe6#
        • 2.Qe8#
      • 1...Kd7
        • 2.c6+
          • 2...Kd8
            • 3.Qe6
              • threat
                • 4.Qd7#
      • 1...Ra7
        • 2.Sd4+
          • 2...Kb7
            • 3.c6+
              • 3...Ka6
                • 4.Qa1#
              • 3...Ka8
                • 4.Qe8#
              • 3...Kb8
                • 4.Qe8#
              • 3...Kc8
                • 4.Qe8#
          • 2...Kd7
            • 3.Qe6+
              • 3...Kd8
                • 4.Sc6#
      • 1...Rb8
        • 2.Sd4+
          • 2...Kb7
            • 3.c6+
              • 3...Ka6
                • 4.Qa1#
              • 3...Ka7
                • 4.Qa1#
              • 3...Ka8
                • 4.Qa1#
              • 3...Kc8
                • 4.Qe8#
          • 2...Kd7
            • 3.Qe6+
              • 3...Kd8
                • 4.Sc6#

FEATURES

NOT CLASSIFIED
HTML5 logo

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).