Problem Display
PID: 266528 (8/1NN5/1p6/6pr/kp1R1p1r/7p/1K3p2/8 w - - 0 1)

Volkmann, Albert

Die Schwalbe, 1973

8/1NN5/1p6/6pr/kp1R1p1r/7p/1K3p2/8

#4

4 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rd5!
      • threat
        • 2.Ra5+
          • 2...bxa5
            • 3.Sc5#
      • 1...g4
        • 2.Rd1
          • threat
            • 3.Ra1#
          • 2...f1Q
            • 3.Rxf1
              • threat
                • 4.Ra1#
              • 3...b3
                • 4.Rxf4#
          • 2...f1R
            • 3.Rxf1
              • threat
                • 4.Ra1#
              • 3...b3
                • 4.Rxf4#
      • 1...b5
        • 2.Sa6
          • threat
            • 3.Sac5#
          • 2...b3
            • 3.Sac5+
              • 3...Kb4
                • 4.Rd4#
            • 3.Rd4+
              • 3...b4
                • 4.Rxb4#
        • 2.Se6
          • threat
            • 3.Sec5#
          • 2...b3
            • 3.Sec5+
              • 3...Kb4
                • 4.Rd4#

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).