Problem Display
PID: 176739 (8/4N3/8/2P5/2B5/1Pk5/Q6K/8 w - - 0 1)

Erdos, Dr Geza

Schach-Echo, 1958

8/4N3/8/2P5/2B5/1Pk5/Q6K/8

#3

6 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qa5+
        • 2...Kxa5
          • 3.Sc6#
  • Tries
    • 1.Kg1?
      • 1...Kb4
        • 2.Qa5+
          • 2...Kxa5
            • 3.Sc6#
      • 1...Kd4!
    • 1.Kh1?
      • 1...Kb4
        • 2.Qa5+
          • 2...Kxa5
            • 3.Sc6#
      • 1...Kd4!
    • 1.Kg2?
      • 1...Kb4
        • 2.Qa5+
          • 2...Kxa5
            • 3.Sc6#
      • 1...Kd4!
    • 1.Kh3?
      • 1...Kb4
        • 2.Qa5+
          • 2...Kxa5
            • 3.Sc6#
      • 1...Kd4!
  • Keys
    • 1.Kg3!
      • 1...Kb4
        • 2.Qa5+
          • 2...Kxa5
            • 3.Sc6#
      • 1...Kd4
        • 2.Qf2+
          • 2...Kc3
            • 3.Sd5#
          • 2...Ke4
            • 3.Qf4#
          • 2...Ke5
            • 3.Qf4#

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).