Problem Display
PID: 90393 (1R6/p7/k2p3r/P7/7p/1p5K/3n4/Q7 w - - 0 1)

Brunner, Erich Anselm

Palatz, Franz Ferdinand Ludwig

Die Schwalbe, 1935

1R6/p7/k2p3r/P7/7p/1p5K/3n4/Q7

#3

4 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sf1
      • 2.Qxf1+
        • 2...Kxa5
          • 3.Qb5#
          • 3.Qa1#
    • 1...Sf3
      • 2.Qf1+
        • 2...Kxa5
          • 3.Qb5#
          • 3.Qa1#
    • 1...Se4
      • 2.Qf1+
        • 2...Kxa5
          • 3.Qb5#
          • 3.Qa1#
    • 1...d5
      • 2.Qa4
        • threat
          • 3.Qb5#
        • 2...Rb6
          • 3.axb6#
  • Tries
    • 1.Qg7?
      • threat
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qb5#
            • 3.Qxa7#
      • 1...Rh5
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qxa7#
      • 1...d5
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qb5#
      • 1...Rh7!
    • 1.Qf1+?
      • 1...Sc4
        • 2.Qxc4+
          • 2...Kxa5
            • 3.Qb5#
      • 1...Sxf1!
    • 1.Qh1?
      • threat
        • 2.Qc6+
          • 2...Kxa5
            • 3.Qb5#
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qb5#
            • 3.Qxa7#
      • 1...Rh5
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qxa7#
      • 1...Rh7
        • 2.Qc6+
          • 2...Kxa5
            • 3.Qb5#
      • 1...Sf3
        • 2.Qf1+
          • 2...Kxa5
            • 3.Qb5#
            • 3.Qa1#
      • 1...Sc4
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qb5#
            • 3.Qxa7#
      • 1...Se4
        • 2.Qf1+
          • 2...Kxa5
            • 3.Qb5#
            • 3.Qa1#
      • 1...d5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Rb6+
          • 2...Kxa5
            • 3.Qb4#
          • 2...axb6
            • 3.Qxb6#
      • 1...Sc4
        • 2.Qxc4+
          • 2...Kxa5
            • 3.Qb5#
      • 1...d5
        • 2.Qa4
          • threat
            • 3.Qb5#
          • 2...Rb6
            • 3.axb6#

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).