Problem Display
PID: 217335 (7R/1p2K3/1N1pN3/1p1Pk1p1/6P1/2pP4/1b6/r2n4 w - - 0 1)

Metzenauer, Ferdinand

2nd HM., Deutsche Schachblatter, 1965

7R/1p2K3/1N1pN3/1p1Pk1p1/6P1/2pP4/1b6/r2n4

#5

7 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rd8!
      • threat
        • 2.Rxd6
          • threat
            • 3.Sd7#
      • 1...Ra4
        • 2.Sd7+
          • 2...Kxd5
            • 3.Sb6+
              • 3...Ke5
                • 4.Rxd6
                  • threat
                    • 5.Sd7#
                    • 5.Rd5#
            • 3.Sf6+
              • 3...Ke5
                • 4.Rxd6
                  • threat
                    • 5.Sd7#
                    • 5.Rd5#
      • 1...Ba3
        • 2.Rc8
          • threat
            • 3.Sd7+
              • 3...Kxd5
                • 4.Sf6+
                  • 4...Ke5
                    • 5.d4#
          • 2...Bc5
            • 3.Rg8
              • threat
                • 4.Rxg5#
              • 3...Be3
                • 4.Rf8
                  • threat
                    • 5.Rf5#
              • 3...Se3
                • 4.Rxg5+
                  • 4...Sf5+
                    • 5.Rxf5#
          • 2...b4
            • 3.Sc4+
              • 3...Kxd5
                • 4.Kf6
                  • threat
                    • 5.Sb6#
                  • 4...b6
                    • 5.Sxb6#
            • 3.Sd7+
              • 3...Kxd5
                • 4.Sf6+
                  • 4...Ke5
                    • 5.d4#
                • 4.Kf6
                  • threat
                    • 5.Sb6#
                  • 4...b6
                    • 5.Sxb6#
                • 4.Rc4
                  • threat
                    • 5.Sc7#
            • 3.Rc4
              • threat
                • 4.Re4#
              • 3...Sf2
                • 4.Sd7+
                  • 4...Kxd5
                    • 5.Sc7#
                • 4.Re4+
                  • 4...Sxe4
                    • 5.d4#

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).