Problem Display
PID: 130151 (4N3/8/1p5K/3kPp2/2RN4/7p/1p2p3/1Qn1r3 w - - 0 1)

Schaab, F

Schachaufgaben, 1908

4N3/8/1p5K/3kPp2/2RN4/7p/1p2p3/1Qn1r3

#3

6 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qxf5#
  • Tries
    • 1.Sf6+?
      • 1...Kxe5
        • 2.Qxf5+
          • 2...Kd6
            • 3.Qe6#
      • 1...Kxc4!
    • 1.Sc7+?
      • 1...Kxe5
        • 2.Qxf5+
          • 2...Kd6
            • 3.Qe6#
      • 1...Kxc4!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sc7+
          • 2...Kxc4
            • 3.Qc2#
      • 1...Kxc4
        • 2.Qc2+
          • 2...Kb5
            • 3.Sc7#
          • 2...Kd5
            • 3.Sc7#
      • 1...Ke6
        • 2.Qxf5+
          • 2...Kd5
            • 3.Qf7#
          • 2...Kxf5
            • 3.Sg7#
      • 1...Sa2
        • 2.Qxa2
          • threat
            • 3.Sc7#
          • 2...Ke6
            • 3.Rd4#

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).