Problem Display
PID: 250986 (b7/7p/8/2P5/4p2Q/8/4P2p/5K1k w - - 0 1)

L'Hermet, Johann Georg Rudolf

Die Schwalbe, 1930

b7/7p/8/2P5/4p2Q/8/4P2p/5K1k

#3

4 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qg5
        • threat
          • 3.Qg2#
        • 2...e3
          • 3.Qxd5#
  • Tries
    • 1.Qh6?
      • 1...Bd5
        • 2.Qg5
          • threat
            • 3.Qg2#
          • 2...e3
            • 3.Qxd5#
      • 1...Bc6
        • 2.Qxc6
          • threat
            • 3.Qxe4#
      • 1...Bb7
        • 2.Qg7
          • threat
            • 3.Qg2#
          • 2...e3
            • 3.Qxb7#
      • 1...e3!
    • 1.c6?
      • threat
        • 2.Qxe4#
      • 1...e3
        • 2.Qe4#
      • 1...Bxc6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qa1
          • threat
            • 3.Kf2#
          • 2...e3
            • 3.Qxa8#
      • 1...e3
        • 2.c6
          • threat
            • 3.Qf3#
          • 2...Bxc6
            • 3.Qxc6#
      • 1...Bd5
        • 2.Qg5
          • threat
            • 3.Qg2#
          • 2...e3
            • 3.Qxd5#
      • 1...Bc6
        • 2.Qxc6
          • threat
            • 3.Qxe4#
      • 1...Bb7
        • 2.Qg7
          • threat
            • 3.Qg2#
          • 2...e3
            • 3.Qxb7#

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).