Problem Display
PID: 39916 (8/3p1B1K/PP1P1k1N/2N4p/br2pB2/3p4/8/r3b3 w - - 0 1)

Zipf, Volker

6th Prize, Die Schwalbe, 2001

8/3p1B1K/PP1P1k1N/2N4p/br2pB2/3p4/8/r3b3

#4

8 + 9


23 Die Schwalbe 2003

SOLUTION


  • SOUND
  • Keys
    • 1.a7!
      • threat
        • 2.a8Q
          • threat
            • 3.Qd8#
            • 3.Qh8#
      • 1...Bd2
        • 2.a8Q
          • threat
            • 3.Qd8#
            • 3.Qh8#
          • 2...Bxf4
            • 3.Qh8+
              • 3...Kg5
                • 4.Qd8#
      • 1...Bg3
        • 2.a8Q
          • threat
            • 3.Qd8#
            • 3.Qh8#
          • 2...Bxf4
            • 3.Qh8+
              • 3...Kg5
                • 4.Qd8#
      • 1...Bb5
        • 2.Bg6
          • threat
            • 3.Sg8#
          • 2...Bc4
            • 3.Sxe4+
              • 3...Ke6
                • 4.Bf7#
      • 1...Bc6
        • 2.Bg6
          • threat
            • 3.Sg8#
          • 2...Bd5
            • 3.Sxd7+
              • 3...Ke6
                • 4.Bf5#
      • 1...e3
        • 2.a8Q
          • threat
            • 3.Qd8#
            • 3.Qh8#
          • 2...Rxf4
            • 3.Qd5
              • threat
                • 4.Sg8#
              • 3...Rf5
                • 4.Se4#
                • 4.Qxf5#
              • 3...Rg4
                • 4.Qf5#

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).