Problem Display
PID: 233595 (8/8/7R/8/8/KPP4b/2B5/k7 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1942

8/8/7R/8/8/KPP4b/2B5/k7

#4

5 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bh7!
      • 1...Bg2
        • 2.Re6
          • threat
            • 3.Re1#
          • 2...Be4
            • 3.Rxe4
              • 3...Kb1
                • 4.Re1#
          • 2...Bf3
            • 3.Re1+
              • 3...Bd1
                • 4.Rxd1#
      • 1...Bf1
        • 2.Rh2
          • threat
            • 3.Ra2#
          • 2...Bd3
            • 3.Rh1+
              • 3...Bb1
                • 4.Rxb1#
              • 3...Bf1
                • 4.Rxf1#
          • 2...Be2
            • 3.Rh1+
              • 3...Bd1
                • 4.Rxd1#
              • 3...Bf1
                • 4.Rxf1#
          • 2...Bg2
            • 3.Bd3
              • 3...Bf1
                • 4.Ra2#
              • 3...Bh1
                • 4.Rxh1#
                • 4.Ra2#
              • 3...Bf3
                • 4.Ra2#
              • 3...Bh3
                • 4.Ra2#
              • 3...Be4
                • 4.Ra2#
              • 3...Bd5
                • 4.Ra2#
              • 3...Bc6
                • 4.Ra2#
              • 3...Bb7
                • 4.Ra2#
              • 3...Ba8
                • 4.Ra2#

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).