Problem Display
PID: 90767 (1k6/8/P1R5/1N6/4n2P/8/6K1/8 w - - 0 1)

Guttmann, Erwin Moritz Herbert

Die Schwalbe, 1949

1k6/8/P1R5/1N6/4n2P/8/6K1/8

#5

5 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Kh2!
      • threat
        • 2.Kg2
          • 2...Sd2
            • 3.Rd6
              • threat
                • 4.Rd8#
              • 3...Kc8
                • 4.Rxd2
                  • 4...Kb8
                    • 5.Rd8#
          • 2...Sd6
            • 3.Rxd6
              • threat
                • 4.Rd8#
              • 3...Kc8
                • 4.Kf1
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kg1
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kh1
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kf2
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kh2
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kf3
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kg3
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Kh3
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Rd1
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Rd2
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Rd3
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Rd4
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Rd5
                  • 4...Kb8
                    • 5.Rd8#
                • 4.h5
                  • 4...Kb8
                    • 5.Rd8#
          • 2...Sf6
            • 3.Rxf6
              • threat
                • 4.Rf8#
              • 3...Kc8
                • 4.Rd6
                  • 4...Kb8
                    • 5.Rd8#
      • 1...Sd2
        • 2.Rd6
          • threat
            • 3.Rd8#
          • 2...Sf1+
            • 3.Kg1
              • threat
                • 4.Rd8#
              • 3...Kc8
                • 4.Kxf1
                  • 4...Kb8
                    • 5.Rd8#
          • 2...Sf3+
            • 3.Kg3
              • threat
                • 4.Rd8#
              • 3...Kc8
                • 4.Kxf3
                  • 4...Kb8
                    • 5.Rd8#
      • 1...Sf2
        • 2.Rc4
          • 2...Sg4+
            • 3.Rxg4
              • threat
                • 4.Rg8#
              • 3...Kc8
                • 4.Rd4
                  • 4...Kb8
                    • 5.Rd8#
          • 2...Sd1
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Kc8
                • 4.Rxd1
                  • 4...Kb8
                    • 5.Rd8#
          • 2...Sd3
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Kc8
                • 4.Rxd3
                  • 4...Kb8
                    • 5.Rd8#
          • 2...Se4
            • 3.Rxe4
              • threat
                • 4.Re8#
              • 3...Kc8
                • 4.Rd4
                  • 4...Kb8
                    • 5.Rd8#

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).