Problem Display
PID: 91019 (6r1/3k4/B2p4/p2p2P1/3p3p/6P1/1P6/2R1R2K w - - 0 1)

Martin, Ernst Otto

Die Schwalbe, 1954

6r1/3k4/B2p4/p2p2P1/3p3p/6P1/1P6/2R1R2K

#5

7 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Be2!
      • threat
        • 2.Bg4+
          • 2...Kd8
            • 3.Rc8#
      • 1...Ke6
        • 2.Bd3+
          • 2...Kf7
            • 3.Rc7+
              • 3...Kf8
                • 4.Bb5
                  • threat
                    • 5.Rf1#
                    • 5.Re8#
      • 1...Ke7
        • 2.Bh5+
          • 2...Kf8
            • 3.Rc7
              • threat
                • 4.Rf1#
                • 4.Re8#
                • 4.Rf7#
              • 3...Rg6
                • 4.Bxg6
                  • threat
                    • 5.Re8#
                  • 4...Kg8
                    • 5.Re8#
      • 1...Ke8
        • 2.Bh5+
          • 2...Kf8
            • 3.Rc7
              • threat
                • 4.Rf1#
                • 4.Re8#
                • 4.Rf7#
              • 3...Rg6
                • 4.Bxg6
                  • threat
                    • 5.Re8#
                  • 4...Kg8
                    • 5.Re8#
      • 1...Rb8
        • 2.Bd1
          • threat
            • 3.Ba4+
              • 3...Rb5
                • 4.Bxb5+
                  • 4...Kd8
                    • 5.Re8#
          • 2...Kd8
            • 3.Ba4
              • threat
                • 4.Re8#
              • 3...Rb5
                • 4.Bxb5
                  • threat
                    • 5.Re8#
          • 2...Rf8
            • 3.Bg4+
              • 3...Rf5
                • 4.Bxf5+
                  • 4...Kd8
                    • 5.Rc8#
          • 2...a4
            • 3.Bxa4+
              • 3...Rb5
                • 4.Bxb5+
                  • 4...Kd8
                    • 5.Re8#

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).