Problem Display
PID: 265096 (4NBr1/q1p2p2/n1p2p2/2Pk2bn/1p2RPP1/3pK1pN/8/2R5 w - - 0 1)

Goumondy, Claude

Die Schwalbe, 1971

4NBr1/q1p2p2/n1p2p2/2Pk2bn/1p2RPP1/3pK1pN/8/2R5

#3

9 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Qxc5+
      • 2.Rxc5+
        • 2...Sxc5
          • 3.Sxc7#
    • 1...Bxf4+
      • 2.Sxf4+
        • 2...Sxf4
          • 3.Sxf6#
    • 1...Bh6
      • 2.Sxf6+
        • 2...Sxf6
          • 3.Re5#
    • 1...Sxf4
      • 2.Sxf6+
        • 2...Bxf6
          • 3.Sxf4#
    • 1...Sxc5
      • 2.Sxc7+
        • 2...Qxc7
          • 3.Rxc5#
    • 1...f5
      • 2.Re5#
  • Tries
    • 1.Sxg5?
      • threat
        • 2.Rd4#
      • 1...Qxc5+
        • 2.Rxc5+
          • 2...Sxc5
            • 3.Sxc7#
            • 3.Rd4#
      • 1...Rxg5!
    • 1.Sxf6+?
      • 1...Sxf6
        • 2.Re5#
      • 1...Bxf6!
    • 1.Sxc7+?
      • 1...Sxc7
        • 2.Rd4+
          • 2...Ke6
            • 3.Rd6#
      • 1...Qxc7!
    • 1.Rcc4?
      • threat
        • 2.Rcd4#
      • 1...Qxc5+
        • 2.Rxc5+
          • 2...Sxc5
            • 3.Sxc7#
      • 1...Bxf4+
        • 2.Sxf4+
          • 2...Sxf4
            • 3.Sxf6#
            • 3.Rcd4#
      • 1...Rxf8!
  • Keys
    • 1.Kxd3!
      • threat
        • 2.Rd4+
          • 2...Ke6
            • 3.Re1#
      • 1...Sxf4+
        • 2.Sxf4+
          • 2...Bxf4
            • 3.Sxf6#
      • 1...Sxc5+
        • 2.Rxc5+
          • 2...Qxc5
            • 3.Sxc7#
      • 1...Qxc5
        • 2.Sxc7+
          • 2...Sxc7
            • 3.Rxc5#
      • 1...Bxf4
        • 2.Sxf6+
          • 2...Sxf6
            • 3.Sxf4#

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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).