Problem Display
PID: 270493 (r3k3/p2p2pN/Q2Pp1P1/4P3/1p2P3/1p6/1K6/8 w q - 0 1)

Mlotkowski, S

Die Schwalbe, 1931

r3k3/p2p2pN/Q2Pp1P1/4P3/1p2P3/1p6/1K6/8

#4

7 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxa8#
      • 1...Rd8
        • 2.Qa6
          • threat
            • 3.Qf1
              • threat
                • 4.Qf7#
                • 4.Qf8#
          • 2...Ra8
            • 3.Qf1
              • threat
                • 4.Qf8#
              • 3...Kd8
                • 4.Qf8#
          • 2...Rb8
            • 3.Qf1
              • threat
                • 4.Qf8#
              • 3...Kd8
                • 4.Qf8#

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).